Head to head
1
Hard
0
0
Carpet
1
Thomaz Koch's wins on the left · Richard Pancho Gonzales's on the right · bar lengths share one scale
All meetings (2)
| 1972 | Los Angeles-1 | Hard | QF | Thomaz Koch | 6-1 6-4 |
| 1969 | Philadelphia | Carpet | R16 | Richard Pancho Gonzales | 6-3 7-5 |
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.