Nikoloz Basilashvili defeated Jan-Lennard Struff in the final, 6–4, 7–6(7–5) to win the men's singles tennis title at the 2021 Bavarian International Tennis Championships. After not dropping a set en route to his victory, Basilashvili earned his second title of the season and his fifth career ATP Tour singles title overall. Struff was in contention to win his first title in his first tour-level final.
Cristian Garín was the defending champion from when the tournament was last held in 2019, but he competed at the simultaneous Estoril Open instead.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw