Head to head
Rivalry summary
Schalk Van Der Merwe and Derek Tarr met 1 times on the ATP tour between 1982 and 1982. Schalk Van Der Merwe leads the head-to-head 1–0 against Derek Tarr.
1
Hard
0
Schalk Van Der Merwe's wins on the left · Derek Tarr's on the right · bar lengths share one scale
All meetings (1)
| 1982 | US Open | Hard | R128 | Schalk Van Der Merwe | 6-1 5-7 6-3 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.