Head to head
0
Hard
1
1
Clay
0
Kristof Vliegen's wins on the left · David Nalbandian's on the right · bar lengths share one scale
All meetings (2)
| 2008 | Basel | Hard | R16 | David Nalbandian | 6-4 5-7 7-6(4) |
| 2004 | Barcelona | Clay | QF | Kristof Vliegen | 7-6(1) 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.