
Reilly Opelka defeated Botic Van De Zandschulp 6-4 6-4 in the Basel qualifying round 2 on hard. The upset overturned the form book — Botic Van De Zandschulp came in ranked #59, defending last year's round of 16. Reilly Opelka extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-20 | Basel | R16 | hard | Reilly Opelka | 7-6 6-7 6-3 |
| 2021-02-01 | Great Ocean Road Open | R16 | hard | Botic Van De Zandschulp | 7-6 7-6 |
Averages over each player's completed matches in the selected window (68 vs 74). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Van De Zandschulp B.: 3 days rest · 2 matches, 43 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About