Head to head
4
Hard
1
1
Clay
1
1
Grass
0
1
Carpet
0
Richard Pancho Gonzales's wins on the left · Fred Stolle's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1970 | Fort Worth | Hard | R16 | Richard Pancho Gonzales | 2-6 6-4 11-9 |
| 1969 | Midland | Hard | SF | Richard Pancho Gonzales | 6-3 6-3 |
| 1969 | Binghamton | Hard | RR | Richard Pancho Gonzales | 5-7 6-1 6-3 |
| 1969 | Johannesburg | Hard | R16 | Richard Pancho Gonzales | 2-6 6-3 6-4 12-14 11-9 |
| 1969 | Sydney | Grass | R16 | Richard Pancho Gonzales | 15-13 6-4 8-6 |
| 1968 | Fort Worth NTL | Hard | QF | Fred Stolle | 6-3 6-1 |
| 1968 | Los Angeles NTL | Carpet | QF | Richard Pancho Gonzales | 6-4 6-4 |
| 1968 | Paris-2 | Clay | 3rd/4th | Fred Stolle | 7-5 6-3 |
| 1968 | Sao Paulo NTL-1 | Clay | RR | Richard Pancho Gonzales | 6-3 5-7 6-3 |
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.