Ivan Vajda defeated Jan Vacek 6-4 1-6 6-2 in the Croatia 1 Masters 2 round of 32 on clay. The upset overturned the form book — Jan Vacek came in leading the head-to-head 1–0. Ivan Vajda claimed a first win over Jan Vacek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-02-14 | Croatia F1 | QF | hard | Jan Vacek | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window (2 vs 89). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About