Greg Rusedski defeated Jan Siemerink 4-6 6-3 6-2 in the Zagreb round of 16 on hard. The upset overturned the form book — Jan Siemerink came in leading the head-to-head 3–1. Greg Rusedski narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-28 | Toulouse | F | hard | Jan Siemerink | 6-4 6-4 |
| 1998-08-31 | US Open | R32 | hard | Jan Siemerink | 1-6 6-4 5-7 6-2 6-4 |
| 1997-11-03 | Stockholm | SF | hard | Jan Siemerink | 4-6 7-6(5) 6-4 |
| 1997-10-27 | Paris Masters | R32 | hard | Greg Rusedski | 6-4 6-3 |
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 (200 vs 199). ATP, WTA & Challenger.