Head to head
1
Clay
1
Thomaz Koch's wins on the left · Mike Belkin's on the right · bar lengths share one scale
All meetings (2)
| 1970 | Davis Cup AME F: BRA vs CAN | Clay | RR | Mike Belkin | 6-8 8-6 6-3 6-4 |
| 1969 | Washington | Clay | SF | Thomaz Koch | 6-2 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.