2023 Ladies Open Lausanne – Singles
| Singles | |
|---|---|
| 2023 Ladies Open Lausanne | |
| Champion | Elisabetta Cocciaretto |
| Runner-up | Clara Burel |
| Score | 7–5, 4–6, 6–4 |
| Draw | 32 |
| Seeds | 8 |
Elisabetta Cocciaretto defeated Clara Burel in the final, 7–5, 4–6, 6–4 to win the singles tennis title at the 2023 Swiss Open. It was her first WTA Tour title. Cocciaretto saved multiple match points during the tournament—one match point against Céline Naef in the first round, and a further match point in the semifinals against Anna Bondár.
Petra Martić was the reigning champion, but chose not to defend her title.