| Challenger Eckental |
| SINGOLARE MASCHILE |
| 1997 |
Rainer SCHÜTTLER (GER) |
batte Petr LUXA (CZE) 64 61 |
| 1998 |
Jared PALMER (USA) |
batte Wolfgang SCHRANZ (AUT) 76 62 |
| 1999 |
George BASTL (SUI) |
batte Petr LUXA (CZE) 76 46 64 |
| 2000 |
Jens KNIPPSCHILD (GER) |
batte Olivier MUTIS (FRA) 67 76 75 |
| 2001 |
Alexander POPP (GER) |
batte Peter WESSELS (OLA) 64 57 62 |
| 2002 |
Lars BURGSMÜLLER (GER) |
batte Bjorn PHAU (GER) 76 57 64 |
| 2003 |
Dennis VAN SCHEPPINGEN (OLA) |
batte Joachim JOHANSSON (SVE) 57 63 76 |
| 2004 |
Alexander WASKE (GER) |
batte Lars BURGSMÜLLER (GER) 75 76 |
| 2005 |
Michael BERRER (GER) |
batte Steve DARCIS (BEL) 63 46 64 |
| 2006 |
Ernests GULBIS (LAT) |
batte Philipp PETZSCHNER (GER) 63 60 |
| 2007 |
Denis GREMELMAYR (GER) |
batte Roko KARANUŠIC (CRO) w/o |
| 2008 |
Denis GREMELMAYR (GER) |
batte Roko KARANUŠIC (CRO) 62 75 |
| 2009 |
Daniel BRANDS (GER) |
batte Dustin BROWN (JAM) 64 64 |
| 2010 |
Igor SIJSLING (OLA) |
batte Ruben BEMELMANS (BEL) 36 62 63 |
| 2011 |
Rajeev RAM (USA) |
batte Karol BECK (SVK) 64 62 |
| 2012 |
Daniel BRANDS (GER) |
batte Ernests GULBIS (LAT) 76 63 |
| 2013 |
Benjamin BECKER (GER) |
batte Ruben BEMELMANS (BEL) 26 76 64 |
| 2014 |
Ruben BEMELMANS (BEL) |
batte Tim PÜTZ (GER) 76 63 |
| 2015 |
Michail JUŽNYJ (RUS) |
batte Benjamin BECKER (GER) 75 63 |
| 2016 |
Steve DARCIS (BEL) |
batte Alex DE MINAUR (AUS) 64 62 |
| 2017 |
Maximilian MARTERER (GER) |
batte Jerzy JANOWICZ (POL) 76 36 63 |
| 2018 |
Antoine HOANG (GER) |
batte Ruben BEMELMANS (BEL) 75 63 |
| 2019 |
Jiri VESELY (CZE) |
batte Steve DARCIS (BEL) 64 46 63 |
| 2020 |
Sebastian KORDA (USA) |
batte Ramkumar RAMANATHAN (IND) 64 64 |
| 2021 |
Daniel MASUR (GER) |
batte Maxime CRESSY (USA) 64 64 |