Daniel Vacek defeated Richard Krajicek 7-6 6-4 in the Halle round of 32 on grass. The upset overturned the form book — Richard Krajicek came in leading the head-to-head 3–0, defending last year's quarter-final. Daniel Vacek claimed a first win over Richard Krajicek in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-02-09 | St. Petersburg | QF | carpet | Richard Krajicek | 7-6(4) 6-1 |
| 1998-02-02 | Marseille | QF | hard | Richard Krajicek | 4-6 6-4 6-4 |
| 1997-03-03 | Rotterdam | F | hard | Richard Krajicek | 7-6(4) 7-6(5) |
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 (86 vs 133). ATP, WTA & Challenger.