Lorenzo Sonego was the defending champion but chose not to participate. Alex de Minaur won the title, having defeated in the final Alexander Bublik with the score 2-0 ret.
Lorenzo Sonego was the defending champion but chose not to participate. Alex de Minaur won the title, having defeated in the final Alexander Bublik with the score 2-0 ret. (en)
Lorenzo Sonego era il detentore del titolo, ma ha deciso di non partecipare a questa edizione. In finale Alex De Minaur ha avuto la meglio su Aleksandr Bublik che si è ritirato sul punteggio di 2-0. (it)
Mužská dvouhra Antalya Open 2021 probíhala v první polovině ledna 2021. Do singlové soutěže antalyjského tenisového turnaje hraného na nastoupilo třicet dva hráčů. Obhájcem titulu z roku 2019 byl italský tenista Lorenzo Sonego, který do soutěže nezasáhl. (cs)