Louis Wessels defeated Luca Staeheli 6-3 6-2 in the M15 Horgen 1 semi-final on clay. The upset overturned the form book — Luca Staeheli came in ranked #529, leading the head-to-head 1–0. Louis Wessels claimed a first win over Luca Staeheli in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-16 | M25 Muttenz | F | clay | Luca Staeheli | 6-4 5-7 7-5 |
Averages over each player's completed matches in the selected window (200 vs 111). ATP, WTA & Challenger.
Staeheli L.: 4 days rest · 2 matches, 27 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