Singles
Andrey Rublev def. Serbia Novak Djokovic, 6–2, 6–7(4–7), 6–0
Men’s doubles
Uruguay Ariel Behar / Ecuador Gonzalo Escobar def. Croatia Nikola Mektić / Croatia Mate Pavić, 6–2, 3–6, [10–7]
2021 Serbia Open Champions
Men’s singles
Italy Matteo Berrettini def. Russia Aslan Karatsev, 6–1, 3–6, 7–6(7–0)
Women’s Singles
Spain Paula Badosa def. Croatia Ana Konjuh 6–2, 2–0, ret.
Men’s Doubles
Croatia Ivan Sabanov / Croatia Matej Sabanov def. Uruguay Ariel Behar / Ecuador Gonzalo Escobar, 6–3, 7–6(7–5)
Women’s Doubles
Serbia Aleksandra Krunić / Serbia Nina Stojanović def. Belgium Greet Minnen / Belgium Alison Van Uytvanck 6–0, 6–2