2025 Zug Open – Singles
| Singles | |
|---|---|
| 2025 Zug Open | |
| Champion | Lukáš Klein |
| Runner-up | Harold Mayot |
| Score | 6–2, 6–7(4–7), 6–4 |
Jérôme Kym was the defending champion but chose not to defend his title.
Lukáš Klein won the title after defeating Harold Mayot 6–2, 6–7(4–7), 6–4 in the final.