Head to head
1
Clay
0
0
Grass
2
Hans-Joachim Ploetz's wins on the left · Geoff Masters's on the right · bar lengths share one scale
All meetings (3)
| 1976 | Roland Garros | Clay | R128 | Hans-Joachim Ploetz | 6-2 0-6 6-1 7-5 |
| 1972 | Australian Open | Grass | R32 | Geoff Masters | 6-3 6-3 6-1 |
| 1972 | Brisbane | Grass | R16 | Geoff Masters | 6-7 6-3 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.