Head to head
1
Hard
0
1
Clay
0
John van Lottum's wins on the left · Mariano Zabaleta's on the right · bar lengths share one scale
All meetings (2)
| 2002 | Amersfoort | Clay | R32 | John van Lottum | 7-5 6-4 |
| 1999 | Memphis | Hard | R32 | John van Lottum | 6-1 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.