Head to head
2
Hard
0
1
Clay
0
1
Carpet
0
Thomaz Koch's wins on the left · Milan Holecek's on the right · bar lengths share one scale
All meetings (4)
| 1971 | Caracas | Hard | QF | Thomaz Koch | 7-6 6-4 |
| 1971 | Hampton | Carpet | R16 | Thomaz Koch | 6-1 5-7 6-4 |
| 1969 | Barranquilla | Clay | R16 | Thomaz Koch | 6-4 6-3 |
| 1969 | Kingston | Hard | F | 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.