| Zug Open | |
|---|---|
 2025 Zug Open | |
| ATP Challenger Tour | |
| Event name | Zug Open |
| Location | Zug, Switzerland |
| Venue | Zug Tennis Club |
| Category | ATP Challenger Tour 125 |
| Surface | Clay |
| Prize money | €181,250 (2025) |
| Website | website |
The Dialectic Zug Open is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It has been held in Zug, Switzerland since 2022.1
Past finals
Singles
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2025 |  Lukáš Klein |
 Harold Mayot |
6–2, 6–7(4–7), 6–4 |
| 2024 |  Jérôme Kym |
 Román Andrés Burruchaga |
6–4, 6–4 |
| 2023 | Arthur Rinderknech |
 Joris De Loore |
3–6, 6–3, 6–4 |
| 2022 | Dominic Stricker |
 Ernests Gulbis |
5–7, 6–1, 6–3 |
Doubles
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 2025 | Geoffrey Blancaneaux / Harold Mayot vs  Nam Ji-sung /  Takeru Yuzuki |
not completed due to poor weather | |
| 2024 |  Jurij Rodionov Volodymyr Uzhylovskyi |
Seita Watanabe Takeru Yuzuki |
7–6(7–5), 7–6(7–5) |
| 2023 | Théo Arribagé Luca Sanchez |
 Ergi Kırkın Dalibor Svrčina |
6–3, 7–5 |
| 2022 | Zdeněk Kolář Adam Pavlásek |
 Karol Drzewiecki Patrik Niklas-Salminen |
6–3, 7–5 |