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 3–0. Jan Siemerink claimed a first win over Boris Becker in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-20 | Monte Carlo Masters | R64 | clay | Boris Becker | 5-7 6-3 6-1 |
| 1996-10-07 | Vienna | F | hard | Boris Becker | 6-4 6-7(7) 6-2 6-3 |
| 1995-06-26 | Wimbledon | R32 | grass | Boris Becker | 2-6 6-2 6-2 6-4 |
Averages over each player's completed matches in the selected window (197 vs 67). 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