Head to head
1
Hard
0
Colin Diederichs's wins on the left · Jim Ward's on the right · bar lengths share one scale
All meetings (1)
| 1971 | Durban | Hard | R64 | Colin Diederichs | 7-5 4-6 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.