David Nalbandian defeated Kristof Vliegen 6-4 5-7 7-6 in the Basel round of 16 on hard. The upset overturned the form book — Kristof Vliegen came in leading the head-to-head 1–0. David Nalbandian claimed a first win over Kristof Vliegen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-26 | Barcelona | QF | clay | Kristof Vliegen | 7-6(1) 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (187 vs 52). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About