Jan Siemerink defeated Boris Becker 7-6 6-7 6-3 in the Stockholm round of 16 on hard. The upset overturned the form book — Boris Becker came in leading the head-to-head 1–0. Jan Siemerink claimed a first win over Boris Becker in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-20 | Monte Carlo Masters | R64 | clay | Boris Becker | 5-7 6-3 6-1 |
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 (199 vs 67). ATP, WTA & Challenger.