Belgrade 2021
Matteo Berrettini won the title, beating Aslan Karatsev 6–1 3–6 7–6(0) in the final.
Statistics appear here as main-draw matches end.
Matteo Berrettini won the title, beating Aslan Karatsev 6–1 3–6 7–6(0) in the final.
Statistics appear here as main-draw matches end.