All meetings (5)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1976-11-22 | ATP | Buenos Aires | Round of 16 | Clay | Thomaz Koch | 6-3 | 4-6 | 6-8 | ||
| 1974-03-17 | ATP | Sao Paulo WCT | Quarterfinal | Carpet | Thomaz Koch | 6-7 | 4-6 | |||
| 1969-07-31 | ATP | Davis Cup EUR SF: GBR vs BRA | Round Robin | Grass | Thomaz Koch | 6-4 | 13-11 | 3-6 | 6-8 | 6-8 |
| 1969-03-03 | ATP | Caracas | Final | Clay | Thomaz Koch | 6-8 | 3-6 | 6-2 | 4-6 | |
| 1968-01-14 | ATP | Durban 1 | Round of 16 | Hard | Mark Cox | 6-0 | 11-9 | 6-3 |