| Type: | ATP Challenger |
| IBG Prague Open | |
| Event Name: | IBG Prague Open |
| Location: | Prague, Czech Republic |
| Category: | ATP Challenger Tour |
| Surface: | Clay |
The IBG Prague Open, previously known as the RPM Open, is a professional tennis tournament played on clay courts. It is part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held in Prague, Czech Republic.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Aslan Karatsev | 6–4, 7–6(8–6)[1] | |||
 Franco Agamenone | 6–3, 6–1 | |||
 Oleksii Krutykh | Lucas Gerch | 6–3, 6–7(2–7), 6–2 | ||
| Rudolf Molleker | 6–2, 6–2 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Sander Arends David Pel | 7–5, 7–6(7–5) | |||
 Victor Vlad Cornea (1)Petros Tsitsipas | 6–3, 3–6, [10–8] | |||
Victor Vlad Cornea (2) Andrew Paulson (1) | 6–3, 6–1 | |||
| Petr Nouza Andrew Paulson (2) | 7–5, 6–3 |