Head to head
2
Hard
0
1
Carpet
0
Thomaz Koch's wins on the left · Bob Carmichael's on the right · bar lengths share one scale
All meetings (3)
| 1975 | Denver WCT | Carpet | R32 | Thomaz Koch | 4-6 6-4 7-5 |
| 1970 | Curacao | Hard | R16 | Thomaz Koch | 6-4 4-6 6-3 |
| 1970 | Caracas | Hard | R16 | Thomaz Koch | 6-2 5-7 6-2 |
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.