Head to head
0
Hard
1
1
Clay
0
Cliff Drysdale's wins on the left · Ron Holmberg's on the right · bar lengths share one scale
All meetings (2)
| 1969 | Boston-1 | Hard | R16 | Ron Holmberg | 4-6 7-5 6-4 |
| 1969 | Berlin | Clay | QF | Cliff Drysdale | 6-4 7-5 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.