Sion 2026: Schedule, Results & Stats
- Surface
- Clay
- Draw
- 32
- Dates
- 15–23 August 2026
- Location
- Switzerland
- Prize money
- $56,700
Sion is a men's ATP Challenger Tour tournament held in Switzerland. The 2026 edition takes place 15–23 August 2026 on clay courts. The singles draw features 32 players competing from the round of 32 through to the final. This page provides the full schedule, live scores and complete results for the current edition, with each match linking to detailed head-to-head records, recent form and pre-match analysis.
Clay is the slowest of the main surfaces: the ball sits up and rallies run long, rewarding patience, movement and heavy topspin.
Title chances
Most likely champions
- 1Stricker D.19%34%
- 2Blancaneaux G.15%30%
- 3Compagnucci T.14%27%
- 4Giustino L.11%25%
- 5La Serna J.11%22%
- 6Kuzmanov D.11%25%
- 7Hassan B.10%21%
- 8Brunold M.8%17%
Each player's chance of winning the title, from a Monte Carlo simulation of the remaining Sion draw (26 matches played). Every hypothetical match is decided by each player's surface Elo, shrunk toward overall Elo on a thin surface sample. Updated as results come in. How it works.
Draw luck
How much the bracket helped or hurt each contender — their title chance in this draw versus an average random draw, in percentage points. A kinder draw lifts the number; a tougher path lowers it. How it works.
Kindest draw
- Compagnucci T.+1.9pp
- Stricker D.+1.4pp
- Giustino L.+1.0pp
- Hemery C.+0.9pp
Toughest draw
- Ovcharenko O.−1.5pp
- Hassan B.−1.1pp
- Milic O.−0.9pp
- Mena F.−0.9pp
Field strength
How strong this draw is by Umpiry Rating — and, once it's over, how hard the champion's path actually was. How it works.
The field
Schedule
Results
Explore the rankings
Frequently asked questions
Who is the favourite to win Sion 2026?
Based on Umpiry's Title chances projection, Dominic Stricker currently has the highest probability of winning at 19%, followed by Geoffrey Blancaneaux (15%) and Tommaso Compagnucci (14%). The probabilities are calculated by simulating the remaining draw and update after every match.
Who does Umpiry project to win Sion 2026?
Dominic Stricker is the most likely champion (19%) in Umpiry's Monte Carlo simulation of the remaining Sion draw. The Projection tab traces their most likely route to the title — their projected opponent in each round — and updates after every result.
What surface is Sion played on?
Sion is played on clay.
What category is Sion?
Sion is part of the ATP Challenger Tour.
What is the prize money at Sion 2026?
The total prize money at Sion 2026 is $56,700.