Head to head
1
Hard
0
1
Grass
0
Roger Federer's wins on the left · John van Lottum's on the right · bar lengths share one scale
All meetings (2)
| 2002 | Rotterdam | Hard | R32 | Roger Federer | 6-3 6-4 |
| 2001 | 's-Hertogenbosch | Grass | R16 | Roger Federer | 6-0 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.