Head to head
1
Hard
0
1
Clay
0
2
Carpet
0
Thomaz Koch's wins on the left · Ross Case's on the right · bar lengths share one scale
All meetings (4)
| 1976 | Sao Paulo WCT | Carpet | QF | Thomaz Koch | 6-4 6-4 |
| 1975 | Tucson | Hard | R64 | Thomaz Koch | 6-3 6-3 |
| 1974 | Cedar Grove | Clay | R16 | Thomaz Koch | 7-6 6-2 |
| 1972 | Hampton | Carpet | R32 | Thomaz Koch | 7-5 6-1 |
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.