
Switzerland
| Age | 82 (09-05-1944) |
| Country | |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface | |
| Coach | |
| Turned Pro | |
| Player Status | Inactive |
| year | All | hard | clay | indoor | grass |
| 1972 | 0-2 | 0-0 | 0-2 | 0-0 | 0-0 |
| 1971 | 0-2 | 0-0 | 0-2 | 0-0 | 0-0 |
| 1970 | 2-5 | 0-0 | 1-2 | 0-0 | 1-3 |
| 1969 | 0-2 | 0-0 | 0-2 | 0-0 | 0-0 |
| 1968 | 3-6 | 1-2 | 2-4 | 0-0 | 0-0 |
| Grand Slam | 50.0% | 1 / 1 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 21.1% | 4 / 15 |
| Cups | 0.0% | 0 / 3 |
| Challengers | 0.0% | 0 / 0 |
| Futures | 0.0% | 0 / 0 |
| 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 / 0 |
| Vs Top.50 | 0.0% | 0 / 0 |
| Vs Top.100 | 0.0% | 0 / 0 |
| Overall | 22.7% | 5 / 17 |
| Hard | 33.3% | 1 / 2 |
| Clay | 20.0% | 3 / 12 |
| Indoor | 0.0% | 0 / 0 |
| Grass | 25.0% | 1 / 3 |
| Fourth | 0.0% | 0 / 1 |
| Third | 8.3% | 1 / 11 |
| Second | 50.0% | 4 / 4 |
![]() Mathias Werren | Loss VIEW H2H | ![]() Manuel Orantes | ||
![]() Mathias Werren | Wins VIEW H2H | ![]() Graham Stilwell | ||
![]() Mathias Werren | Wins VIEW H2H | ![]() Mal Anderson | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Ion Tiriac | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Nikola Pilic | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Colin Stubs | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Roger Taylor | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Dennis Ralston | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Nicola Spear | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Tony Roche | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Ilie Nastase | ||
![]() Mathias Werren | Loss VIEW H2H | ![]() Onny Parun | ||
Fahim Kapasi Prediction H2H (0-0)
Samson Meszaros Prediction H2H (0-0)
Hijikata Tabilo Prediction H2H (0-0)
Drab Mateo Prediction H2H (0-0)
Tuna Gokpinar Prediction H2H (0-0)
Seghetti Parenti Prediction H2H (0-0)
Joaquim Almeida Ethan Muza Prediction H2H (0-0)
Denis Vishenchuk Vishenko Cyrus Mahjoob Prediction H2H (0-0)