2020 Bett1Hulks Indoors
The 2020 Bett1Hulks Indoors was an ATP tournament organized for male professional tennis players, held in Cologne, Germany, in mid-October 2020 on indoor hard courts. It was primarily organized due to the cancellation of many tournaments during the 2020 season due to the COVID-19 pandemic. It was the first and only edition of the tournament and took place at the Lanxess Arena in Cologne, Germany, from October 12 through 18, 2020.
Singles main-draw entrants
Seeds
- Rankings are as of September 28, 2020.
Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
The following players received entry as a lucky loser:
Withdrawals
;Before the tournament- Aljaž Bedene → replaced by Marc Polmans
- Ričardas Berankis → replaced by Marcos Giron
- Gaël Monfils → replaced by Dennis Novak
- Yoshihito Nishioka → replaced by Alejandro Davidovich Fokina