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| Koblenz Open | |
|---|---|
 2025 Koblenz Open | |
| ATP Challenger Tour | |
| Event name | Koblenz Open |
| Location | Koblenz, Germany |
| Venue | CGM Arena |
| Category | ATP Challenger Tour 100 |
| Surface | Hard (indoor) |
| Draw | 32S/32Q/16D |
| Prize money | €145,000 + H |
The Koblenz Open is a professional tennis tournament played on indoor hardcourts. It is currently part of the ATP Challenger Tour. It is held annually in Koblenz, Germany since 2017.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2017 |  Ruben Bemelmans |  Nils Langer | 6–4, 3–6, 7–6(7–0) |
| 2018 | Mats Moraing |  Kenny de Schepper | 6–2, 6–1 |
| 2019 |  Gianluca Mager |  Roberto Ortega Olmedo | 2–6, 7–6(8–6), 6–2 |
| 2020 |  Tomáš Macháč |  Botic van de Zandschulp | 6–3, 4–6, 6–3 |
| 2021– 2022 | Not held | ||
| 2023 |  Roman Safiullin |  Vasek Pospisil | 6–2, 7–5 |
| 2024 |  Jurij Rodionov |  Brandon Nakashima | 6–7(7–9), 6–1, 6–2 |
| 2025 | Ugo Blanchet | Luca Nardi | 6–3, 3–6, 7–6(7–5) [1] |
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 2017 |  Hans Podlipnik  Andrei Vasilevski | Roman Jebavý Lukáš Rosol | 7–5, 3–6, [16–14] |
| 2018 |  Romain Arneodo Tristan-Samuel Weissborn | Sander Arends  Antonio Šančić | 6–7(4–7), 7–5, [10–6] |
| 2019 | Zdeněk Kolář Adam Pavlásek | Jürgen Melzer  Filip Polášek | 6–3, 6–4 |
| 2020 | Sander Arends (1) David Pel | Julian Lenz Yannick Maden | 7–6(7–4), 7–6(7–3) |
| 2021– 2022 | Not held | ||
| 2023 | Fabian Fallert Hendrik Jebens | Jonathan Eysseric  Denys Molchanov | 7–6(7–2), 6–3 |
| 2024 | Sander Arends (2) Sem Verbeek | Jakob Schnaitter Mark Wallner | 6–4, 6–2 |
| 2025 |  Jakub Paul David Pel | Geoffrey Blancaneaux  Joshua Paris | walkover |
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