French Team Championship 4 November - 1 December, 2007 Phase I - Round Robin Round Robin Group A 1. Paris Jean Bouin 2. AS Bondy 3. TC Illberg Mulhouse 4. TC Boulogne Bilancourt 5. Villa Primrose 6. TC Paris Group B 1. AS Patton Rennes 35 (BRE) 2. TC Lille Métropole (FLA) 3. Lagardère Paris Racing (PAR) 4. Melun Val de Seine (SEM) 5. Grenoble Tennis (DSA) 6. TC Bressuire (POI) Group A Paris Jean Bouin Gael Monfils (FRA) Edouard Roger Vasselin (FRA) Laurent Recouderc (FRA) Eric Prodon (FRA) Pierrick Ysern (FRA) Arnaud Di Pasquale (FRA) Anas Fattar (MAR) Antoine Hamard (FRA) Romain Sichez (FRA) Jeremy Drean (FRA) AS Bondy Olivier Rochus (BEL) Michael Berrer (GER) Alexander Waske (GER) Raemon Sluiter (NED) Antony Dupuis (FRA) Philipp Petschner (GER) Jean-Michel Pequery (FRA) Ivo Heuberger (SUI) Gilles Elseneer (BEL) Slimane Saoudi (ALG) Thomas Cazes-Carrere (FRA) Baptiste Dupuy (FRA) Aurelien Defresne (FRA) Julian Knowle (AUT) TC Illberg Mulhouse Denis Gremelmayr (GER) Yuri Schukin (RUS) Jan Mertl (CZE) Ivo Klec (SVK) Marco Chiudinelli (SUI) George Bastl (SUI) Nicolas Thomann (FRA) Marc Steger (GER) Stefan Kilchhoffer (SUI) Markus Menzler (GER) TC Boulogne-Billancourt Stefan Koubek (AUT) Ivan NaAvarro-Pastor (ESP) Jiri Vanek (CZE) Rik De Voest (RSA) Marc Fornell (ESP) Bjorn Rehnquist (SWE) Gustavo Marcaccio (ARG) Marcus Sarstrand (SWE) Alex Calatrava (ESP) Tomas Behrend (GER) Villa Primrose Bordeaux Florent Serra (FRA) Steve Darcis (BEL) Younes El Aynaoui (MAR) Jan Hernych (CZE) Michael Lammer (SUI) Jan Vacek (CZE) Jordane Doble (FRA) Romain Jouan (FRA) Xavier Pujo (FRA) Jean-Baptiste Perlant (FRA) TC Paris Stanislas Wawrinka (SUI) Jo-Wilfried Tsonga (FRA) Sebastien Grosjean (FRA) Jerome Haehnel (FRA) Julien Jeanpierre (FRA) Jean-Christophe Faurel (FRA) Augustin Gensse (FRA) Alexandre Sidorenko (FRA) Jonathan Dasnieres De Veigy (FRA) Alexandre Lacroix (FRA) Group B AS Patton Rennes 35 Philipp Kohlschreiber (GER) Marc Gicquel (FRA) Kristof Vliegen (BEL) Simone Bolelli (ITA) Lukas Dlouhy (CZE) Daniele Bracciali (ITA) Stefano Galvani (ITA) Ivo Minar (CZE) Dominik Meffert (GER) Cyrille Saulnier (FRA) Josselin Ouanna (FRA) Nenad Zimojnic (SRB) Rodolphe Gilbert (FRA) Pavel Vizner (CZE) TC Lille Métropole Kristian Pless (DEN) Bohdan Ulihrach (CZE) Christophe Rochus (BEL) Flavio Cipolla (ITA) Konstantios Economidis (GRE) Kenneth Carlsen (DEN) Stephane Wauters (BEL) Thomas Dupre (FRA) Leos Friedl (CZE) Rogier Wassen (NED) Christopher Kas (GER) Lagardère Paris Racing Richar Gasquet (FRA) Paul-Henri Mathieu (FRA) Gilles Simon (FRA) Fabrice Santoro (FRA) Nicolas Mahut (FRA) Julien Benneteau (FRA) Michael Llodra (FRA) Nicolas Devilder (FRA) Mathieu Montcourt (FRA) Thierry Ascione (FRA) Catalin Gard (ROU) Jean-Rene Lisnard (MON) Nicolas Renavand (FRA) Jonathan Eysseric (FRA) Gregory Carraz (FRA) Melun Val de Seine Ivo Karlovic (CRO) Dominik Hrbaty (SVK) Olivier Patience (FRA) Andrei Pavel (ROU) Dick Norman (BEL) Simon Greul (GER) Andreas Seppi (ITA) Frederic Niemeyer (CAN) Peter Wessels (NED) Davide Sanguinetti (ITA) Tobias Summerer (GER) Jiri Novak (CZE) Jean-Francois Bachelot (FRA) Yves Allegro (SUI) Franck Fevrier (FRA) Thibault Charron (FRA) Benjamin Bouhana (FRA) Sylvain Fertin (FRA) Marc Michaudel (FRA) Grenoble Tennis Janko Tipsarevic (SRB) Marcos Daniel (BRA) Stephane Bohli (SUI) Andrea Stoppini (ITA) Leonardo Azzaro (ITA) Nicolas Tourte (FRA) James Auckland (GBR) Eric Butorac (USA) Sebastien Deridder (FRA) Ross Hutchins (GRB) Romain Deridder (FRA) Christophe Janin (FRA) TC Bressuire Igor Kunitsyn (RUS) Juan Pablo Brzezicki (ARG) Federico Luzzi (ITA) Viktor Troicki (SRB) Alexander Peya (AUT) Paolo Lorenzi (ITA) Francesco Aldi (ITA) Michael Ryderstedt (SWE) Dennis Van Scheppingen (NED) Dieter Kindelmann (GER) Tomas Cakl (CZE) Robert Lindstedt (SWE) Day 1: Saturday, November 10, 2007 Group A TC Paris - Paris Jean Bouin 2-4 Jerome Haehnel - Laurent Recouderc 3-6 2-6 Julien Jeanpierre - Eric Prodon 6-7 6-4 3-6 Jean Christophe Faurel - Pierrick Ysern 6-3 6-1 Augustin Gensse - Anas Fattar 6-3 7-5 Jerome Haehnel/Julien Jeanpierre - Eric Prodon/Pierrick Ysern 6-7 3-6 Jean Christophe Faurel/Augustin Gensse - Laurent Recouderc/Anas Fattar 3-6 4-6 AS Bondy - TC Illberg 5-1 Antony Dupuis - Nicolas Thomann 6-2 6-1 Jean Michel Pequery - Marc Steger 3-6 5-7 Gilles Elseneer - Stefan Kilchhoffer 6-2 6-2 Slimane Saoudi - Markus Menzler 6-3 6-2 Antony Dupuis/Slimane Saoudi - Stefan Kilchhoffer/Marc Steger 7-5 4-6 (10-6) Gilles Elseneer/Jean Michel Pequery - Markus Menzler/Nicolas Thomann 6-2 6-2 TC Boulogne-Billancourt - Villa Primrose 3-3 Ivan Navarro-Pastor - Jan Hernych 4-6 4-6 Jiri Vanek - Jordane Doble 6-4 7-6 Marc Fornell - Romain Jouan 2-6 7-6 7-5 Bjorn Rehnquist - Xavier Pujo 1-6 ret. Gustavo Marcaccio/Tomas Behrend - Jordane Doble/Jan Hernych 6-1 7-6 Marc Fornell/Jiri Vanek - Jean-Baptiste Perlant/Xavier Pujo 6-4 6-2 Group B TC Lille - Lagardere Paris Racing 4-2 Christophe Rochus - Catalin Gard 6-2 6-2 Konstantinos Economidis - Jean-Rene Lisnard 6-3 7-6 Stefan Wauters - Nicolas Renavand 6-7 6-7 Thomas Dupre - Jonathan Eysseric 6-2 2-6 3-6 Konstantinos Economidis/Leos Friedl - Gregory Carraz/Catalin Gard 5-7 6-3 (10-8) Christopher Kas/Christophe Rochus - Jean-Rene Lisnard/Nicolas Renavand 6-3 6-1 TC Bressuire - AS Patton Rennes 2-4 Michael Ryderstedt - Marc Gicquel 2-6 4-6 Dennis Van Scheppingen - Stefano Galvani 6-3 6-2 Dieter Kindelmann - Cyrille Saulnier 0-6 3-6 Tomas Cakl - Josselin Ouanna 3-6 0-6 Michael Ryderstedt/Dennis Van Scheppingen - Marc Gicquel/Nenad Zimojnic 2-6 4-6 Tomas Cakl/Dieter Kindelmann - Josselin Ouanna/Cyrille Saulnier 3-6 6-4 (7-3) TC Melun Val de Seine - Tennis Grenoble 5-1 Frederic Niemeyer - Filip Prpic 6-3 6-3 Peter Wessels - Thomas Oger 6-3 7-6 Davide Sanguinetti - James Auckland 6-7 6-3 6-2 Jiri Novak - Ross Hutchins 6-4 6-2 Frederic Niemeyer/Peter Wessels - James Auckland/Ross Hutchins 7-5 4-6 (11-9) Jean-Francois Bachelot/Jiri Novak - Filip Prpic/Sebastien Derrider 5-7 7-5 (7-10) Day 2: Wednesday, November 14, 2007 Group A Villa Primrose - Paris Jean Bouin 4-2 Jan Hernych - Edouard Roger-Vasselin 6-3 6-3 Jordane Doble - Laurent Recouderc 6-7 6-7 Romain Jouan - Eric Prodon 6-7 7-6 7-5 Xavier Pujo - Anas Fattar 2-6 6-7 Jan Hernych/Romain Jouan - Edouard Roger-Vasselin/Pierrick Ysern 4-6 6-4 (10-4) Jean Baptiste Perlant/Xavier Pujo - Eric Prodon/Laurent Recouderc 6-1 6-1 TC Boulogne-Billancourt - AS Bondy 2-4 Stefan Koubek - Antony Dupuis 6-1 6-2 Jiri Vanek - Philipp Petzschner w/o (Vanek) Gustavo Marcaccio - Jean-Michel Pequery 6-7 7-6 3-6 Tomas Behrend - Gilles Elseneer 6-7 1-6 Tomas Behrend/Stefan Koubek - Antony Dupuis/Gilles Elseneer 6-0 6-2 Last doubles did not played - it goes as w/o - point for AS Bondy TC Illberg - TC Paris 2-4 Marc Steger - Jerome Haehnel 2-6 2-6 Nicolas Thomann - Julien Jeanpierre 6-7 7-6 4-6 Stefan Kilchohoffer - Jean-Christophe Faurel 2-6 2-6 Markus Menzler - Augustin Gensse 7-5 4-6 6-3 Marc Steger/Nicolas Thomann - Jerome Haehnel/Julien Jeanpierre 7-6 1-6 (10-0) Stefan Kilchohoffer/Markus Menzler - Jean-Christophe Faurel/Augustin Gensse 2-6 6-7 Group B Lagardere Paris Racing - TC Bressuire 3-3 Gilles Simon - Paolo Lorenzi 6-2 3-6 7-5 Catalin Gard - Michael Rydesrtedt 6-4 2-6 6-7 Jean-Rene Lisnard - Dennis Van Scheppingen 0-6 2-6 Nicolas Renavand - Dieter Kindelmann 4-6 7-5 2-6 Nicolas Renavand/Gilles Simon - Michael Rydesrtedt/Dennis Van Scheppingen 2-6 6-3 1-0 Gregory Carraz/Catalin Gard - Dieter Kindlmann/Paolo Lorenzi 6-2 4-6 1-0 Tennis Grenoble - AS Patton Rennes 1-5 Filip Prpic - Marc Gicquel 3-6 7-6 6-7 Thomas Oger - Stefano Galvani 4-6 6-4 7-6 Andrea Stoppini - Dominik Meffert 4-6 3-6 Leonardo Azzaro - Cyrille Saulnier 3-6 3-6 Eric Butorac/Filip Prpic - Stefano Galvani/Marc Gicquel 5-7 2-6 Leonardo Azzaro/Andrea Stoppini - Dominik Meffert/Cyrille Saulnier 2-6 2-6 TC Melun Val de Seine - TC Lille 2-4 Dick Norman - Christophe Rochus 2-6 2-6 Frederic Niemeyer - Konstantinos Economidis 5-7 4-6 Davide Sanguinetti - Stephane Wauters 6-4 6-7 5-7 Jiri Novak - Leos Friedl 6-2 6-2 Dick Norman/Jiri Novak - Leos Friedl/Christophe Rochus 3-6 5-7 Frederic Niemeyer/Davide Sanguinetti - Konstantinos Economidis/Stephane Wauters 7-6 7-6 Day 3: Saturday, November 17, 2007 Group A TC Illberg - Villa Primrose 2-4 Nicolas Thomann - Jan Hernych 4-6 4-6 Marc Steger -Romain Jouan 7-5 3-6 6-4 Andreas Tattermusch - Xavier Pujo 2-6 4-6 Markus Menzler - Jean-Baptiste Perlant 3-6 3-6 Marc Steger/Nicolas Thomann - Jan Hernych/Xavier Pujo 3-6 1-6 Markus Menzler/Andreas Tattermusch - Jean-Baptiste Perlant/Xavier Pujo 6-4 6-4 Paris Jean Bouin - TC Boulogne-Billancourt 5-1 Edouard Roger-Vasselin - Stefan Koubek 6-4 6-4 Laurent Recouderc - Gustavo Marcaccio 6-2 2-6 7-5 Eric Prodon - Markus Sarstrand 7-5 7-6 Pierrick Ysern - Tomas Behrend 4-6 6-1 6-3 Edouard Roger-Vasselin/Pierrick Ysern - Tomas Behrend/Stefan Koubek 4-6 3-6 Anas Fattar/Laurent Recouderc - Bjorn Rehnquist/Markus Sarstrand 2-6 6-3 (1/0) AS Bondy - TC Paris 5-1 Raemon Sluiter - Jerome Haehnel 6-7 6-7 Antony Dupuis - Julien Jeanpierre 4-6 6-2 6-2 Philipp Petzschner - Jean-Christophe Faurel 6-0 2-6 6-4 Jean-Michel Pequery - Augustin Gensse 6-2 6-0 Philipp Petzschner/Raemon Sluiter - Jerome Haehnel/Julien Jeanpierre 6-3 7-6 Gilles Elseneer/Jean-Michel Pequery - Jean-Christophe Faurel/Augustin Gensse 6-4 6-1 Group B Lagardere Paris Racing - Tennis Grenoble 4-2 Gilles Simon - Filip Prpic 6-2 6-1 Catalin Gard - Stephane Bohli 1-6 2-6 Jean-Rene Lisnard - Thomas Oger 6-3 5-7 3-6 Nicolas Renavand - Christophe Janin 6-3 1-6 6-1 Gilles Simon/Nicolas Renavand - Eric Butorac/Filip Prpic 6-4 6-3 Gregory Carraz/Catalin Gard - Stephane bohli/Nicolas Tourte 6-2 6-4 AS Patton Rennes - TC Melun Val de Seine 5-1 Simone Bolelli - Dick Norman 6-2 6-2 Dominik Meffert - Jiri Novak 3-6 5-7 Cyrille Saulnier - Jean-Francois Bachelot 6-3 6-2 Josselin Ouanna - Benjamin Bouhana 6-1 6-0 Simone Bolelli/Josselin Ouanna - Benjamin Bouhana /Dick Norman 6-1 6-4 Dominik Meffert/Cyrille Saulnier - Jean-Francois Bachelot/Jiri Novak 7-5 6-4 TC Lille - TC Bressuire 1-5 Bohdan Ulihrach - Igor Kunitsyn 4-6 5-7 Christophe Rochus - Paolo Lorenzi 1-6 6-6 ret. Konstantinos Economidis - Dennis Van Scheppingen 3-6 6-7 Stephane Wauters - Dieter Kindlmann 3-6 2-6 Rogier Wassen/Stephane Wauters - Igor Kunitsyn/Dennis Van Scheppingen 2-6 2-6 Thomas Dupre/Bohdan Ulihrach - Dieter Kindlmann/Paolo Lorenzi 6-1 4-6 (1-0) Day 4: Wednesday, November 21, 2007 Group A AS Bondy - Villa Primrose 6-0 Raemon Sluiter - Florent Serra 6-4 6-4 Antony Dupuis - Jordane Doble 6-2 6-4 Jean-Michel Pequery - Romain Jouan 6-3 7-6 Gilles Elseneer - Jean-Baptiste Perlant 6-4 7-5 Jean-Michel Pequery/Raemon Sluiter - Romain Jouan/Florent Serra 6-7 7-5 (1-0) Antony Dupuis/Slimane Saoudi - Jordane Doble/Jean-Baptiste Perlant 6-4 6-3 Paris Jean Bouin - TC Illberg 4-2 Edouard Roger-Vasselin - Nicolas Thomann 6-2 6-0 Laurent Recouderc - Marc Steger 7-6 5-7 4-6 Pierrick Ysern - Markus Menzler 4-6 6-4 6-3 Anas Fattar - Andreas Tattermusch 3-6 4-6 Edouard Roger-Vasselin/Pierrick Ysern - Marc Steger/Nicolas Thomann 0-0 ret. (Steger/Thomann) Anas Fattar/Laurent Recouderc - Markus Menzler/Andreas Tattermusch 6-4 7-6 TC Paris - TC Boulogne-Billancourt 6-0 Jo-Wilfried Tsonga - Stefan Koubek 6-3 6-2 Jerome Haehnel - Ivan Navarro-Pastor 6-3 6-4 Julien Jeanpierre - Marc Fornell 6-3 6-3 Jean-Christophe Faurel - Bjorn Rehnquist 6-2 6-2 Jean-Christophe Faurel/Jo-Wilfried Tsonga - Stefan Koubek/Ivan Navarro-Pastor 3-6 6-3 (1-0) Jerome Haehnel/Julien Jeanpierre - Tomas Behrend/Gustavo Marcaccio 6-3 6-3 Group B AS Patton Rennes - Lagardere Paris Racing 4-2 Marc Gicquel - Gilles Simon 6-4 4-6 2-6 Kristof Vliegen - Thierry Ascione 6-7 3-6 Simone Bolelli - Catalin Gard 6-3 6-3 Cyrille Saulnier - Nicolas Renavand 6-3 6-4 Simone Bolelli/Marc Gicquel - Nicolas Renavand/Gilles Simon 6-4 7-6 Cyrille Saulnier/Kristof Vliegen - Gregory Carraz/Catalin Gard 7-5 7-5 TC Bressuire - TC Melun Val de Seine 3-3 Federico Luzzi - Dick Norman 6-2 6-4 Michael Ryderstedt - Peter Wessels 6-3 6-7 6-1 Dennis Van Scheppingen - Davide Sanguinetti 1-6 6-3 6-0 Dieter Kindlmann - Jiri Novak 4-6 2-6 Federico Luzzi/Dennis Van Scheppingen - Dick Norman/Jiri Novak 7-5 3-6 (0-1) Dieter Kindlmann/ Michael Ryderstedt - Davide Sanguinetti/Peter Wessels 2-6 2-6 TC Lille - Tennis Grenoble 4-2 Bohdan Ulihrach - Filip Prpic 6-2 7-5 Christopher Kas - Stephane Bohli 1-6 1-6 Flavio Cipolla - Thomas Oger 6-3 6-4 Stephan Wauters - Leonardo Azzaro 7-6 7-6 Christopher Kas/Rogier Wassen - Eric Butorac/Nicolas Tourte 6-0 4-6 (0-1) Flavio Cipolla/Stephan Wauters - Leonardo Azzaro/Filip Prpic 6-4 5-7 (1-0) Day 5: Saturday, November 24, 2007 Group A Paris Jean Bouin - AS Bondy 4-2 Edouard Roger-Vasselin - Michael Berrer 7-6 4-6 6-4 Laurent Recouderc - Antony Dupuis 4-6 6-3 7-6 Eric Prodon - Jean-Micehl Pequery 7-6 1-6 4-6 Pierrick Ysern - Slimane Saoudi 3-6 7-5 6-3 Edouard Roger-Vasselin/Pierrick Ysern - Michael Berrer/Jean-Micehl Pequery 6-2 4-6 (1-0) Anas Fattar/Antoine Hamard - Antony Dupuis/Gilles Elseneer 6-7 5-7 TC Illberg - TC Boulogne-Billancourt 6-0 Nicolas Thomann - Stefan Koubek 3-6 1-6 Stefan Kilchhofer - Ivan Navarro-Pastor 3-6 5-7 Markus Menzler - Marc Fornell 6-1 7-6 Andreas Tattermusch - Marcus Sarstrand 2-6 2-6 Stefan Kilchhofer/Nicolas Thomann - Marc Fornell/Ivan Navarro-Pastor 6-7 6-7 Markus Menzler/Andreas Tattermusch - Tomas Behrend/Gustavo Marcaccio 7-5 7-6 Villa Primrose - TC Paris 3-3 Florent Serra - Jerome Haehnel 6-4 6-4 Jordane Doble - Julien Jeanpierre 6-4 6-4 Romain Jouan - Jean-Christophe Faurel 6-2 4-6 5-7 Xavier Pujo - Augustin Gensse 4-6 4-6 Jordane Doble/Florent Serra - Jerome Haehnel/Julien Jeanpierre 0-6 5-7 Jean-Baptiste Perlant/Xavier Pujo - Jean-Christophe Faurel/Augustin Gensse 4-6 6-4 (1-0) Group B Tennis Grenoble - TC Bressuire 3-3 Filip Prpic - Federico Luzzi 7-6 0-6 4-6 Stephane Bohli - Michael Ryderstedt 3-6 2-6 Thomas Oger - Dennis Van Scheppingen 4-6 4-6 Nicolas Tourte - Nicolas Chan 6-0 6-0 Eric Butorac/Nicolas Tourte - Michael Ryderstedt/Dennis Van Scheppingen 6-4 6-7 (1-0) Thomas Oger/Filip Prpic - Nicolas Chan/Federico Luzzi 15/0 ret. (CH/L) AS Patton Rennes - TC Lille 0-6 Cyrille Saulnier - Bohdan Ulihrach 6-7 1-6 Josselin Ouanna - Konstantinos Economidis 6-7 7-6 4-6 Rodolphe Gilbert - Stephane Wauters 4-6 7-6 5-7 Frederic Thebault - Thomas Dupre 2-6 1-6 Rodolphe Gilbert/Cyrille Saulnier - Bohdan Ulihrach/Rogier Wassen 0-2 ret. (G/S) Josselin Ouanna/Frederic Thebault - Thomas Dupre/Stephane Wauters 1-6 ret. (O/T) Lagardere Paris Racing - TC Melun Val de Seine 6-0 Gilles Simon - Jean-Francois Bachelot 6-2 6-1 Nicolas Mahut - Franck Fevrier 6-2 6-4 Nicolas Devilder - Sylvain Fertin 6-2 6-2 Catalin Gard - Marc Nichaudel 6-0 6-1 Nicolas Devilder/Gilles Simon - Jean-Francois Bachelot/Franck Fevrier 1-6 6-3 (1-0) Gregory Carraz/Catalin Gard - Sylvain Fertin/Marc Nichaudel 6-2 6-2 Group A 1. AS Bondy, 13 points 2. Paris Jean-Bouin, 13 points 3. Villa Primrose, 11 points 4. TC Paris, 10 points 5. TC Boulogne-Billancourt, 8 points 6. TC Illberg Mulhouse, 5 points Group B 1. TC Lille, 13 points 2. AS Patton Rennes, 13 points 3. Lagardère Paris Racing, 10 points 4. TC Bressuire, 10 points 5. TC Melun, 8 points 6. Grenoble Tennis, 6 points Semifinals Friday, November 30, 2007 Paris Jean-Bouin - AS Bondy 1-0 Edouard Roger-Vasselin - Antony Dupuis Laurent Recouderc - Philipp Petzschner 6-3 7-5 Eric Prodon - Jean-Michel Péquery Pierrick Ysern - Gilles Elseneer TC Lille - AS Patton Rennes 0-2 Stefan Wauters - Philipp Kohlschreiber Thomas Dupré - Marc Gicquel 4-6 6-3 1-6 Christopher Kas - Kristof Vliegen Rogier Wassen - Simone Bolleli 7-6(3) 5-7 1-6 Saturday, December 1, 2007 Finals AS Patton Rennes - AS Bondy 3-3 Antony Dupuis - Marc Gicquel 6-4 7-6(2) Philipp Petzschner - Kristof Vliegen 6-3 3-6 6-4 Simone Bolelli - Jean Michel Pequery 6-4 2-1 ret. Dominik Meffert - Gilles Elseneer 6-2 6-1 Gicquel/Zimonjic - Dupuis/Elseneer 6-3 6-0 Petzschner/Saoudi - Saulnier/Vliegen 3-6 6-1 (10-8) AS Patton Rennes won the title, thanks to a better set difference.