The AXA Open de Sion celebrates its winner since the first edition in 2020 that took place in Sierre. The tournament is currently played at the TC Valère in Sion, Switzerland.
2025 Winner: Remy Bertola
Third title at the Sion Open on his 27th birthday. The Swiss Davis Cup player's best ranking is 269th in the ATP rankings.
2024 Winner: Christoph Negritu
Ranked 349th in the world at the end of 2024, the German won the 2024 edition.His best ATP ranking is 108th in the world reach on 27th July 2025.
2023 Winner: Remy Bertola
Remy Bertola entered the 2023 AXA Open Sion as the third seed and ranked 369th in the ATP rankings.
2022 Winner: Remy Bertola
Remy Bertola is a Swiss tennis player who won the 2022 edition of the tournament. He reached ATP ranking 301 in the summer of 2022.
2021 Winner: Rinky Hijikata
Rinky Hijikata is an Australian professional tennis player. After a successful career at the University of North Carolina at Chapel Hill, Hijikata turned professional and reached his best ATP ranking of world No. 110 in singles on July 31, 2023, and world No. 32 in doubles on February 20, 2023.
