Boris Becker defeated Jan Siemerink 2-6 6-2 6-2 6-4 in the Wimbledon round of 32 on grass. The result followed the form book — Boris Becker came in leading the head-to-head 2–1, defending last year's semi-final. Boris Becker extended 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 |
| 1997-11-03 | Stockholm | R16 | hard | Jan Siemerink | 7-6 6-7 6-3 |
| 1996-10-07 | Vienna | F | hard | Boris Becker | 6-4 6-7(7) 6-2 6-3 |
Averages over each player's completed matches in the selected window (68 vs 199). 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