Head to head
1
Clay
1
Thomaz Koch's wins on the left · Rafael Osuna's on the right · bar lengths share one scale
All meetings (2)
| 1969 | Houston | Clay | QF | Rafael Osuna | 6-4 6-3 |
| 1969 | Mexico City | Clay | F | Thomaz Koch | 6-3 6-4 10-8 |
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.