| Type: | ATP Challenger |
| Košice Open | |
| Event Name: | Košice |
| Location: | Košice, Slovakia |
| Category: | ATP Challenger Tour |
| Surface: | Clay |
| Draw: | 32S/32Q/16D |
| Prize Money: | €30,000+H |
| Website: | Website |
Tournament was part of the Association of Tennis Professionals (ATP) Challenger Tour. It took place annually in Košice, Slovakia from 2003 to 2014 and then was moved to Poprad.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Frank Dancevic | 6–2, 3–6, 6–2 | |||
 Mikhail Kukushkin | 6–4, 1–6, 6–2 | |||
 Aljaž Bedene | 7–6(7–1), 6–2 | |||
| Simon Greul | 6–2, 6–1 | |||
 Rubén Ramírez Hidalgo | 6–3, 6–2 | |||
 Stéphane Robert | 7–6(5), 7–6(5) | |||
| 2008 |  Lukáš Rosol | 7–5, 6–1 | ||
| 2007 | Jérémy Chardy | 4–6, 7–6(5), 6–4 | ||
| 2006 | Nicolas Devilder | 6–0, 6–1 | ||
| 2005 | Răzvan Sabău | 6–1, 6–2 | ||
| 2004 |  Peter Luczak | 7–5, 7–5 | ||
| 2003 |  Martín Vassallo Argüello | 6–3, 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Facundo Argüello Ariel Behar |  Andriej Kapaś Błażej Koniusz | 6–4, 7–6(7–4) | ||
 Kamil Čapkovič Igor Zelenay | Gero Kretschmer Alexander Satschko | 6–4, 7–6(7–5) | ||
| Tomasz Bednarek Mateusz Kowalczyk | 2–6, 7–5, [14–12] | |||
| Simon Greul Bastian Knittel | 2–6, 6–3, [11–9] | |||
| Miloslav Mečíř Jr. Marek Semjan | 3–6, 6–1, [13–11] | |||
| Rubén Ramírez Hidalgo Santiago Ventura | 6–2, 7–6(5) | |||
| 2008 | Tomasz Bednarek Igor Zelenay | 6–1, 4–6, 13–11 | ||
| 2007 | Filip Polášek Lukáš Rosol | 6–1, 7–6(5) | ||
| 2006 | Viktor Bruthans Pavel Šnobel | 7–5, 5–7, 10–4 | ||
| 2005 | Petr Luxa Igor Zelenay | 6–4, 6–2 | ||
| 2004 |  Devin Bowen Peter Luczak | 6–2, 7–6(6) | ||
| 2003 | Stephen Huss Myles Wakefield | 6–4, 6–3 |