Simona Waltert

Simona Waltert is the patient counterweight to Switzerland's flashier post-Bencic names — a Chur native, born 13 December 2000, who turned pro back in 2016 and spent the better part of a decade grinding through Futures, ITFs and Challengers before the WTA main tour kept her. She competed at Futures/ITF level in 2016, reaching two quarterfinals at the $10K events in Sion and Ortisei. The junior pedigree was real — a 2017 Wimbledon girls' semifinal — but the senior climb was almost entirely self-financed point-collection rather than a teenage shortcut.

She's a right-hander whose game is built for dirt, not for free points. She averages only about 0.14 aces per service game, so the serve is a setup tool, not a weapon — the value comes off the ground and on return, where she manufactures as many as 0.86 break chances per game. The numbers underline the profile: over her career she holds 169-102 (62.4%) on clay against 74-56 on hard and just 7-10 on grass. She wins by extending rallies and pressuring second serves rather than ending points early.

The career-defining result remains the 2022 Lausanne run, where as a wildcard she beat seventh-ranked Danielle Collins, saving three match points en route to a 6-7(5), 6-3, 7-6(6) upset — still her best top-10 scalp. Her Grand Slam breakthrough came at the 2023 French Open, where she made her main-draw slam debut with a second-round run as a qualifier, losing to Elisabetta Cocciaretto.

The breakout finally landed in 2025: a standout year in which she entered the top 100 for the first time, won W100 and Rio 125 titles, and reached the Ljubljana 125 final. That climb topped out at a career-high WTA singles ranking of No. 88, achieved on 20 October 2025. Now ranked 90, she opened her 2026 slam campaign at Roland-Garros against Katerina Siniakova — the clay swing again her clearest path to defend and build.