Goran Ivanisevic defeated Jan Siemerink 5-7 6-3 6-3 in the Ostrava round of 32 on carpet. The result followed the form book — Goran Ivanisevic came in defending last year's round of 16. Goran Ivanisevic extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-22 | London | R32 | carpet | Goran Ivanisevic | 6-3 0-6 7-6 |
| 1998-06-22 | Wimbledon | QF | grass | Goran Ivanisevic | 7-6 7-6 7-6 |
| 1998-03-02 | Rotterdam | R32 | hard | Jan Siemerink | 5-7 7-6 6-3 |
| 1998-01-19 | Australian Open | R128 | hard | Jan Siemerink | 6-2 7-6 3-6 6-4 |
| 1997-08-04 | Cincinnati Masters | R16 | hard | Jan Siemerink | 6-4 6-4 |
| 1991-08-12 | New Haven | R16 | hard | Goran Ivanisevic | 6-2 6-4 |
Averages over each player's completed matches in the selected window (200 vs 198). 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. About