Head to head
1
Hard
0
0
Grass
1
John van Lottum's wins on the left · Kenneth Carlsen's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Washington | Hard | R32 | John van Lottum | 6-4 1-6 7-6(5) |
| 1999 | 's-Hertogenbosch | Grass | R16 | Kenneth Carlsen | 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.