Head to head
Rivalry summary
John van Lottum and Martin Damm met 2 times on the ATP tour between 1998 and 2001. Their head-to-head is level at 1–1. By surface, they are level 1–1 on grass.
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Grass
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John van Lottum's wins on the left · Martin Damm's on the right · bar lengths share one scale
All meetings (2)
| 2001 | 's-Hertogenbosch | Grass | R32 | John van Lottum | 7-5 7-6(4) |
| 1998 | 's-Hertogenbosch | Grass | R16 | Martin Damm | 6-4 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.