Head to head
Rivalry summary
Wayne Black and John van Lottum met 3 times on the ATP tour between 1998 and 1999. John van Lottum leads the head-to-head 2–1 against Wayne Black. By surface, Lottum leads 2–1 on hard.
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Hard
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Wayne Black's wins on the left · John van Lottum's on the right · bar lengths share one scale
All meetings (3)
| 1999 | Cincinnati Masters | Hard | R64 | John van Lottum | 6-3 6-2 |
| 1998 | Singapore | Hard | R32 | John van Lottum | 7-5 6-2 |
| 1998 | Washington | Hard | R64 | Wayne Black | 6-3 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.