Spain
| Age | 38 (25-03-1988) |
| Country | Spain |
| Birthplace | Bilbao, Spain |
| Height | 175 |
| Weight | 74 |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface |  Clay 40% |
| Coach | Ronald Martin & Jeremy Swyngedouw |
| Turned Pro | 2006 |
| Player Status | Active |
Match Stats
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.09 | 1 / 11 |
| DFs / Game | 0.09 | 1 / 11 |
| 1st Serve % | 64.8% | 46 / 71 |
| 1st Serve Win % | 60.9% | 28 / 46 |
| 2nd Serve Win % | 52.0% | 13 / 25 |
| Service Points Win % | 57.7% | 41 / 71 |
Return Stats
| Opponent Aces / Game | 0.26 | 3 / 11 |
| Opponent Double Faults / Game | 0.17 | 2 / 11 |
| Opponent 1st Serve % | 60.6% | 43 / 71 |
| 1st Return Win % | 37.2% | 16 / 43 |
| 2nd Return Win % | 25.0% | 7 / 28 |
| Return Points Win % | 32.4% | 23 / 71 |
Break Points (Serve)
| Break Points Saved Per Game | 0.09 | 1 / 11 |
| Break Points Faced Per Game | 0.35 | 4 / 11 |
| Break Points Save % | 25.0% | 1 / 4 |
| Service Hold % | 73.9% | 8 / 11 |
Break Points (Rtn)
| Break Points Won Per Game | 0.17 | 2 / 11 |
| Opponent Break Points Per Game | 0.35 | 4 / 11 |
| BP Won % | 50.0% | 2 / 4 |
| Opp Hold % | 82.6% | 9 / 11 |
Guillermo Olaso Past Matches
 | M15 Singapore | |||||
13 Apr 2026 QF |  | 7 6 6 4 | L |  | H2H 0-0 | |
12 Apr 2026 Q1 | | 7 5 6 4 | W | H2H 0-0 | ||
| M15 Singapore 1 | |||||
06 Aug 2025 R1 | | 6 3 6 4 | L | | H2H 0-0 | |
04 Aug 2025 QF | | 6 1 6 0 | W | | H2H 0-0 | |
Guillermo Olaso Surface Summary
| year | All | hard | clay | indoor | grass |
| 2026 | 1-1 | 0-0 | 0-0 | 1-1 | 0-0 |
| 2025 | 2-1 | 0-0 | 0-0 | 2-1 | 0-0 |
| 2024 | 4-1 | 0-0 | 0-0 | 4-1 | 0-0 |
| 2018 | 28-18 | 9-6 | 8-8 | 11-4 | 0-0 |
| 2017 | 35-8 | 2-1 | 33-7 | 0-0 | 0-0 |
| 2013 | 54-31 | 22-10 | 28-17 | 4-4 | 0-0 |
| 2012 | 39-27 | 18-7 | 21-19 | 0-0 | 0-1 |
| 2011 | 45-30 | 4-5 | 39-22 | 0-2 | 2-1 |
| 2010 | 53-34 | 8-8 | 45-24 | 0-1 | 0-1 |
| 2009 | 51-35 | 6-5 | 44-29 | 1-1 | 0-0 |
| 2008 | 53-38 | 3-3 | 50-35 | 0-0 | 0-0 |
| 2007 | 46-32 | 3-1 | 43-31 | 0-0 | 0-0 |
| 2006 | 17-17 | 1-2 | 16-15 | 0-0 | 0-0 |
Guillermo Olaso Performance Breakdown
Tournament Level Breakdown
| Grand Slam | 40.0% | 6 / 9 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 51.6% | 16 / 15 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 49.3% | 107 / 110 |
| Futures | 68.3% | 299 / 139 |
Opponent Rank Breakdown
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 2 |
| Vs Top.50 | 0.0% | 0 / 2 |
| Vs Top.100 | 0.0% | 0 / 9 |
Surface Breakdown
| Overall | 61.1% | 428 / 273 |
| Hard | 61.3% | 76 / 48 |
| Clay | 61.2% | 327 / 207 |
| Indoor | 60.5% | 23 / 15 |
| Grass | 40.0% | 2 / 3 |
Round Breakdown
| Final | 34.3% | 12 / 23 |
| Semi-Final | 64.2% | 34 / 19 |
| Quarter-Final | 55.2% | 53 / 43 |
| Second | 63.5% | 94 / 54 |
| First | 65.9% | 151 / 78 |
| Qualifying Final | 51.4% | 18 / 17 |
| Qualifying R2 | 59.1% | 26 / 18 |
| Qualifying R1 | 65.6% | 40 / 21 |
Guillermo Olaso Titles/Finals/Semis
Title
Finals
Guillermo Olaso interesting Heads to Heads
 Guillermo Olaso | Wins VIEW H2H |  Gerard Granollers | ||
Guillermo Olaso | Loss VIEW H2H |  Victor Hanescu | ||
Guillermo Olaso | Loss VIEW H2H |  Nicolas Almagro | ||
Guillermo Olaso | Loss VIEW H2H |  Kei Nishikori | ||
Guillermo Olaso | Wins VIEW H2H |  Antonio Veic | ||
Guillermo Olaso | Loss VIEW H2H |  Victor Crivoi | ||
Guillermo Olaso | Draw VIEW H2H |  Daniele Bracciali | ||
Guillermo Olaso | Draw VIEW H2H |  Alexander Reichel | ||
Guillermo Olaso | Draw VIEW H2H |  Stefan Koubek | ||
Guillermo Olaso | Draw VIEW H2H |  Jan Hernych | ||
Guillermo Olaso | Draw VIEW H2H |  Nicolas Mahut | ||
Guillermo Olaso | Draw VIEW H2H |  Adrian Garcia | ||
Upcoming Tennis Predictions & Head to Heads
Tabacco Ehrenschneider Prediction H2H (0-0)
Hart Beaven Prediction H2H (0-0)
Ogura Jasika Prediction H2H (0-0)
Kazushi Honda Prediction H2H (0-0)
Piatti Pierre Prediction H2H (0-0)
Nicod Trufelli Prediction H2H (0-0)
Vincent Reisach Zangar Nurlanuly Prediction H2H (0-0)
 ATP Rankings | |||
|---|---|---|---|
| 1 | 13450 PTS | ||
| 2 | 9460 PTS | ||
| 3 | 7190 PTS | ||
| 4 | 4390 PTS | ||
| 5 | 4160 PTS | ||
| 6 | 4110 PTS | ||
| 7 | 3765 PTS | ||
| 8 | 3760 PTS | ||
| 9 | 3580 PTS | ||
| 10 | 3460 PTS | ||
 Live Tennis Events | |||
|---|---|---|---|
 | Wimbledon - London Great Britain | ||
 | Bogota Challenger Colombia | ||
 | Braunschweig Challenger Germany | ||
 | Iasi Challenger Romania | ||
 | Liege Challenger Belgium | ||
 | Newport Challenger United States | ||
| Nottingham 3 Challenger Great Britain | ||
 | Trieste Challenger Italy | ||
| M15 Bucharest Romania | ||
 | M15 Hillcrest South Africa | ||
 | M15 Kursumlijska Banja Serbia | ||
 | M15 Lodz Poland | ||
 | M15 Monastir Tunisia | ||
| M15 Rancho Santa Fe United States | ||
 | M15 Tokyo Japan | ||
 | M15 Wuning China | ||
| M25 Kassel Germany | ||
 | M25 Laval Canada | ||
 | M25 Roda de Bara Spain | ||
 | M25 The Hague Netherlands | ||
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