David Prinosil defeated Jan Siemerink 6-4 6-2 in the St. Petersburg semi-final on carpet. The upset overturned the form book — Jan Siemerink came in leading the head-to-head 3–1. David Prinosil narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-06 | Davis Cup WG QF: NED vs GER | RR | carpet | Jan Siemerink | 7-6 7-5 |
| 1998-06-22 | Wimbledon | R64 | grass | Jan Siemerink | 6-4 6-7 6-4 6-2 |
| 1998-03-09 | Copenhagen | SF | carpet | David Prinosil | 6-3 7-6 |
| 1995-03-06 | Copenhagen | R32 | carpet | Jan Siemerink | 6-4 6-4 |
Averages over each player's completed matches in the selected window (120 vs 91). 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