| Type: | ATP Challenger |
| ZRE Katowice Bytom Open | |
| Event Name: | Bytom |
| Location: | Bytom, Poland |
| Category: | ATP Challenger Tour |
| Surface: | Clay (red) |
| Draw: | 32S/32Q/16D |
| Prize Money: | €30,000+H |
The ZRE Katowice Bytom Open (former Polska Energia Open) 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 in Bytom, Poland, since 2007.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Pere Riba | 6 - 0, 6 - 3 | |||
 Laurent Recouderc | 6 - 3, 6 - 4 | |||
| 2008 | Laurent Recouderc | 6 - 3, 6 - 4 | ||
| 2007 |  Peter Luczak | 6 - 3, 6 - 3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
 Ivo Klec Artem Smirnov | 1 - 6, 6 - 3, [10–3] | |||
| Pablo Santos Gabriel Trujillo Soler | 6 - 3, 7 - 6(3) | |||
| 2008 |  Marcin Gawron Mateusz Kowalczyk | 6 - 4, 3 - 6, 10 - 7 | ||
| 2007 |  Hugo Armando Brian Dabul | 6 - 4, 1 - 6, 10 - 5 |