| HPP Open | |
|---|---|
 2025 HPP Open | |
| ATP Challenger Tour | |
| Event name | HPP Open |
| Location | Helsinki, Finland |
| Venue | Tali Tennis Center |
| Category | ATP Challenger Tour 125 |
| Surface | Hard (Indoor) |
| Draw | 48S/4Q/16D |
| Prize money | €148,625 |
| Website | website |
The HPP Open is a professional tennis tournament played on indoor hardcourts. It is currently part of the ATP Challenger Tour. It is held annually in Helsinki, Finland, since 2019.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2025 |  Patrick Kypson |  Otto Virtanen | 4–6, 6–3, 6–4 |
| 2024 |  Kei Nishikori |  Luca Nardi | 3–6, 6–4, 6–1 |
| 2023 |  Corentin Moutet |  Sumit Nagal | 6–3, 3–6, 6–2 |
| 2022 |  Leandro Riedi |  Tomáš Macháč | 6–3, 6–1 |
| 2021 |  Alex Molčan |  João Sousa | 6–3, 6–2 |
| 2020 | Not Held | ||
| 2019 | Emil Ruusuvuori |  Mohamed Safwat | 6–3, 6–7(4–7), 6–2 |
| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 2025 |  Jakob Schnaitter Mark Wallner |  Alexandru Jecan Bogdan Pavel | 6–2, 4–6, [10–6] |
| 2024 |  Filip Bergevi  Mick Veldheer |  Romain Arneodo Théo Arribagé | 3–6, 7–6(7–5), [10–5] |
| 2023 | Sriram Balaji Andre Begemann | Jeevan Nedunchezhiyan Vijay Sundar Prashanth | 6–2, 7–5 |
| 2022 | Purav Raja Divij Sharan | Reese Stalder  Petros Tsitsipas | 6–7(5–7), 6–3, [10–8] |
| 2021 |  Alexander Erler Lucas Miedler | Harri Heliövaara Jean-Julien Rojer | 6–3, 7–6(7–2) |
| 2020 | Not Held | ||
| 2019 |  Frederik Nielsen Tim Pütz |  Tomislav Draganja  Pavel Kotov | 7–6(7–2), 6–0 |
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