Prize Money $3,000,000
The Terra Wortmann Open, one of eight grass-court events on the calendar, was re-categorised as an ATP 500 tournament in 2015. The event has crowned six German winners since its inaugural edition in 1993: Michael Stich (1994), Nicolas Kiefer (1999), David Prinosil (2000), Tommy Haas (2009 & 2012), Philipp Kohlschreiber (2011) and Florian Mayer (2016). Roger Federer won his 10th title in 2019. Ugo Herbert in 2021.