Includes finals, playoffs and exhibition games, so totals run higher than regular-season figures.
| Season | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1970 Atp tourSouth Africa | 1 | 0 | 0 | 2 | 9 | 16 | 0 | – |
| 1968 Atp tourSouth Africa | 1 | 0 | 1 | 0 | 13 | 8 | 0 | 1 |
| Career2 seasons | 2 | 0 | 1 | 2 | 22 | 24 | 0 | 1 |
| Game | |||||||
|---|---|---|---|---|---|---|---|
| Durban: Round of 32 v Terry RyanL 0-2 6 Apr | 0 | 0 | 2 | 9 | 16 | 0 | – |
| Split | ||||||||
|---|---|---|---|---|---|---|---|---|
| LossesResult | 2 | 0.0 | 0.5 | 1.0 | 11.0 | 12.0 | 0.0 | 0.5 |
| Regular seasonStage · won 0 of 2 | 2 | 0.0 | 0.5 | 1.0 | 11.0 | 12.0 | 0.0 | 0.5 |
| Frank McDonaldOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 0.0 | 13.0 | 8.0 | 0.0 | 1.0 |
| Terry RyanOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 9.0 | 16.0 | 0.0 | – |
| HardGround · won 0 of 2 | 2 | 0.0 | 0.5 | 1.0 | 11.0 | 12.0 | 0.0 | 0.5 |
Wins-losses for Diederichs. Tap a rival for the full head to head.
Stats from official league and public sports feeds. Updated hourly. Tennis history by Jeff Sackmann / Tennis Abstract (CC BY-NC-SA 4.0).