Terra Wortmann Open

Halle (Westf.) in North Rhine-Westphalia hosts the Terra Wortmann Open, one of eight grass-court events on the calendar, played here on 4 grass courts. The tournament began in 1993 and was re-categorised as an ATP 500 event in 2015.

Six German players have won it: Michael Stich (1994), Nicolas Kiefer (1999), David Prinosil (2000), Tommy Haas (2009 and 2012), Philipp Kohlschreiber (2011) and Florian Mayer (2016). Roger Federer won his 10th title here in 2019.