Head to head
0
Hard
1
1
Clay
0
0
Carpet
2
Thomaz Koch's wins on the left · Charlie Pasarell's on the right · bar lengths share one scale
All meetings (4)
| 1975 | St. Petersburg WCT | Carpet | R32 | Charlie Pasarell | 6-3 6-4 |
| 1969 | Washington | Clay | QF | Thomaz Koch | 6-2 6-2 |
| 1969 | Salisbury | Hard | R16 | Charlie Pasarell | 18-16 6-1 |
| 1968 | Philadelphia | Carpet | QF | Charlie Pasarell | 4-6 16-14 6-2 |
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.