Head to head
1
Hard
0
1
Clay
0
1
Grass
0
1
Carpet
0
Bob Hewitt's wins on the left · Onny Parun's on the right · bar lengths share one scale
All meetings (4)
| 1978 | Gstaad | Clay | R32 | Bob Hewitt | 6-4 1-6 6-0 |
| 1977 | Johannesburg-1 | Hard | R32 | Bob Hewitt | 7-5 6-4 |
| 1972 | Seattle | Carpet | QF | Bob Hewitt | 6-1 7-5 |
| 1972 | Bristol | Grass | R32 | Bob Hewitt | 7-5 3-6 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.