| Type: | ATP Challenger |
| ATP Challenger Open | |
| Current: | 2016 STRABAG Challenger Open |
| Event Name: | STRABAG Challenger Open 2016 |
| Location: | Trnava, Slovakia |
| Venue: | TC EMPIRE Trnava |
| Category: | ATP Challenger Tour |
| Surface: | Clay (red) |
| Draw: | 32S/21Q/16D |
| Prize Money: | €42,500+H |
The ATP Challenger Open (currently known as STRABAG Challenger Open 2016 for sponsorship reasons) is a professional tennis tournament played on outdoor red clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually at the TC EMPIRE in Trnava, Slovakia, since 2007.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Steve Darcis | 6–3, 6–4 | |||
| Robin Haase | 6–4, 6–1 | |||
 Andreas Haider-Maurer | 2–6, 6–3, 7–6(7–4) | |||
| Julian Reister | 7–6(7–3), 6–3 | |||
 Andrey Kuznetsov | 6–3, 6–3 | |||
 Iñigo Cervantes-Huegun | 6–4, 7–6(7–3) | |||
 Jaroslav Pospíšil | 6–4, 4–6, 6–3 | |||
 Oleksandr Dolgopolov Jr. | 6–2, 6–2 | |||
| 2008 | Alberto Martín | 6–2, 6–0 | ||
| 2007 | Jan Hernych | 6–3, 3–6, 6–4 |
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| Sander Gillé Joran Vliegen | 6–2, 7–5 | |||
| Wesley Koolhof Matwé Middelkoop | 6–4, 6–2 | |||
| Roman Jebavý Jaroslav Pospíšil | 6–4, 6–2 | |||
| Marin Draganja Mate Pavic | 7–5, 4–6, [10–6] | |||
 Nikola Ćirić  Goran Tošić | 7–6(7–0), 7–5 | |||
 Colin Ebelthite Jaroslav Pospíšil | 6–3, 6–4 | |||
 Karol Beck Lukáš Rosol | 4–6, 7–6(7–3), [10–8] | |||
| Grigor Dimitrov Teymuraz Gabashvili | 6–4, 2–6, [10–8] | |||
| 2008 | David Škoch Igor Zelenay | 6–3, 6–1 | ||
| 2007 | Filip Polášek Igor Zelenay | 6–1, 6–4 |