Head to head
Rivalry summary
John van Lottum and Filip Dewulf met 2 times on the ATP tour between 1997 and 1998. Their head-to-head is level at 1–1. By surface, they are level 1–1 on clay.
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Clay
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John van Lottum's wins on the left · Filip Dewulf's on the right · bar lengths share one scale
All meetings (2)
| 1998 | Davis Cup WG R1: BEL vs NED | Clay | RR | Filip Dewulf | 6-4 6-0 6-4 |
| 1997 | Amsterdam | Clay | R32 | John van Lottum | 7-5 6-1 |
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.