Head to head
1
Hard
0
Thomaz Koch's wins on the left · Dennis Ralston's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Los Angeles-2 | Hard | R16 | Thomaz Koch | 6-1 8-10 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.