In 2022, the name of the ATP tournament was changed from the Noventi Open to the Terra Wortmann Open, as the company Wortmann AG secured the naming rights.

[2] The Halle Open is held at the same time as the Queens Club Championships, and the two are seen as the primary warm-up tournaments for the Wimbledon Grand Slam tournament, also on grass courts, which begins towards the end of June.

The Centre Court (the OWL Arena) has 12,300 seats and a retractable roof which can be closed in 88 seconds so that tennis matches can continue with a closed roof when it begins to rain.

The stadium is heated and also used for other sport events (handball, basketball, volleyball and boxing) and concerts.

In doubles, Raven Klaasen (2015–16, 2019) and Marcelo Melo (2017–18, 2023) co-hold the record for most titles with three each, and co-hold the one for consecutive titles with Aisam-ul-Haq Qureshi (2011–12), Rajeev Ram (2015–16), Łukasz Kubot (2017–18) and Melo (2017–18), at two.