By surface
| Surface | Graham Stilwell | Mathias Werren |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-07-18 | ATP | Gstaad | Round of 32 | Clay | Mathias Werren | 2-6 | 6-8 | |||
| 1968-08-13 | ATP | Hamburg | Round of 64 | Clay | Mathias Werren | 1-6 | 7-5 | 1-6 | 6-2 | 2-6 |