Head to head
1
Clay
0
1
Grass
0
Peter Rennert's wins on the left · Dale Collings's on the right · bar lengths share one scale
All meetings (2)
| 1981 | Queen's Club | Grass | R32 | Peter Rennert | 7-6 7-6 |
| 1979 | Boston | Clay | R64 | Peter Rennert | 6-4 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.