Lois Boisson

Loïs Boisson (French pronunciation: ; born 16 May 2003) is a French professional tennis player. She has a career-high singles ranking of No. 41 by the WTA, achieved on 25 August 2025. Her best result is reaching the semifinals of a major event at the 2025 French Open, on her main-draw debut, becoming the first wildcard player in the Open era to accomplish the feat. She hasn’t won any other match in the other majors. She is the current French No. 1 singles player.

Career
2021: WTA Tour debut
Boisson made her WTA Tour debut at the 2021 WTA Lyon Open, having received a wildcard into the doubles main draw, partnering Juline Fayard.

2024: First WTA 125 title, top 200
Following three titles on the ITF Circuit earlier in the year, Boisson won her first WTA 125 title in Saint-Malo, defeating Chloé Paquet in three sets in the final. She entered the top 200 as a result. She was slated to receive a wildcard for her major main-draw debut at the French Open but missed the event, after injuring her left knee, tearing her ACL a week before Roland Garros, at the 2024 Trophée Clarins.