Head to head
1
Hard
0
0
Grass
1
John van Lottum's wins on the left · Karol Kucera's on the right · bar lengths share one scale
All meetings (2)
| 2004 | Queen's Club | Grass | R64 | Karol Kucera | 4-6 6-1 6-1 |
| 2004 | Rotterdam | Hard | R32 | John van Lottum | 6-2 7-6(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.