Head to head
0
Hard
2
0
Clay
1
1
Grass
0
0
Carpet
1
Ray Ruffels's wins on the left · Cliff Drysdale's on the right · bar lengths share one scale
All meetings (5)
| 1971 | Boston WCT | Hard | R32 | Cliff Drysdale | 6-1 7-6 |
| 1971 | Quebec WCT | Carpet | QF | Cliff Drysdale | 6-2 6-2 |
| 1971 | Louisville WCT | Clay | SF | Cliff Drysdale | 6-3 6-3 |
| 1971 | Johannesburg | Hard | R16 | Cliff Drysdale | 7-6 1-6 6-4 1-6 6-3 |
| 1970 | Haverford | Grass | QF | Ray Ruffels | 6-2 5-7 6-4 |
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.