Jan Siemerink defeated David Prinosil 7-6 7-5 in the Davis Cup WG QF: NED vs GER round robin on carpet. The upset overturned the form book — David Prinosil came in leading the head-to-head 2–1. Jan Siemerink narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-08 | St. Petersburg | SF | carpet | David Prinosil | 6-4 6-2 |
| 1998-06-22 | Wimbledon | R64 | grass | Jan Siemerink | 6-4 6-7(2) 6-4 6-2 |
| 1998-03-09 | Copenhagen | SF | carpet | David Prinosil | 6-3 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 (31 vs 38). ATP, WTA & Challenger.