2025 Zug Open – Singles

Singles
2025 Zug Open
Champion Lukáš Klein
Runner-up Harold Mayot
Score6–2, 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.