By surface
| Surface | Thomaz Koch | Graham Stilwell |
|---|---|---|
| Grass | 0 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-07-20 | ATP | Istanbul | Quarterfinal | — | Graham Stilwell | 4-6 | 6-1 | 5-7 | ||
| 1969-07-31 | ATP | Davis Cup EUR SF: GBR vs BRA | Round Robin | Grass | Graham Stilwell | 5-7 | 4-6 | 4-6 |