Nicolas Kiefer defeated Julian Alonso 6-3 3-6 6-1 in the Gstaad round of 16 on clay. The result followed the form book — Nicolas Kiefer came in leading the head-to-head 1–0, defending last year's quarter-final. Nicolas Kiefer extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-22 | Wimbledon | R128 | grass | Nicolas Kiefer | 6-2 6-2 6-3 |
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 (200 vs 78). ATP, WTA & Challenger.