Head to head
1
Clay
0
1
Grass
1
1
Carpet
0
Roy Emerson's wins on the left · Owen Davidson's on the right · bar lengths share one scale
All meetings (4)
| 1971 | Vancouver WCT | Carpet | R32 | Roy Emerson | 6-7 6-4 6-3 |
| 1971 | Queen's Club | Grass | QF | Owen Davidson | 7-5 6-3 |
| 1971 | Australian Open | Grass | R32 | Roy Emerson | 7-5 6-3 6-2 |
| 1969 | Hamburg | Clay | R16 | Roy Emerson | 2-6 6-3 6-2 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.