Luca Staeheli vs Andrey Chepelev — Sion Round of 32
Staeheli L.
Luca Staeheli defeated Andrey Chepelev in the Round of 32 at the Sion tournament on clay, winning 6-3, 6-1. Staeheli hit 9 aces and converted 62% of break points, while Chepelev had no aces and converted 20%. Staeheli won 71% of first-serve points and broke Chepelev's serve 5 times.
Key context
- Match story: Luca Staeheli dropped just 4 games past Andrey Chepelev.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (6 vs 15). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 07:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadStaeheli L.: 1 day rest · 1 match, 16 games (7d) · Chepelev A.: 1 day rest · 1 match, 16 games (7d). Higher means fresher. About