
Serbia Open, 2021, ATP 250
MGM Belgrade
| Djokovic, Novak[1] | [SRB] | |
| Djokovic, Novak[1] | ||
| Kwon, Soonwoo | [KOR] | 61 63 |
| Rinderknech, Arthur (Q) | [FRA] | |
| Kecmanovic, Miomir[8] | ||
| Kecmanovic, Miomir[8] | [SRB] | 63 36 63 |
| Karatsev, Aslan[3] | [RUS] | |
| Karatsev, Aslan[3] | ||
| Bedene, Aljaz | [SLO] | 63 46 76(5) |
| Popyrin, Alexei | [AUS] | |
| Mager, Gianluca (Q) | ||
| Mager, Gianluca (Q) | [ITA] | 75 62 |
| Millman, John[7] | [AUS] | |
| Daniel, Taro (LL) | ||
| Daniel, Taro (LL) | [JPN] | 36 62 63 |
| Delbonis, Federico | [ARG] | |
| Delbonis, Federico | ||
| Lajovic, Dusan[4] | [SRB] | 63 26 64 |
| Krajinovic, Filip[5] | [SRB] | |
| Krajinovic, Filip[5] | ||
| Milojevic, Nikola (WC) | [SRB] | 61 61 |
| Cecchinato, Marco | [ITA] | |
| Berrettini, Matteo[2] | ||
| Berrettini, Matteo[2] | [ITA] | 64 63 |
| Djokovic, Novak[1] | [SRB] | |
| Djokovic, Novak[1] | ||
| Kecmanovic, Miomir[8] | [SRB] | 61 63 |
| Karatsev, Aslan[3] | [RUS] | |
| Karatsev, Aslan[3] | ||
| Mager, Gianluca (Q) | [ITA] | 63 64 |
| Daniel, Taro (LL) | [JPN] | |
| Daniel, Taro (LL) | ||
| Delbonis, Federico | [ARG] | 46 61 75 |
| Krajinovic, Filip[5] | [SRB] | |
| Berrettini, Matteo[2] | ||
| Berrettini, Matteo[2] | [ITA] | 64 64 |
| Djokovic, Novak[1] | [SRB] | |
| Karatsev, Aslan[3] | ||
| Karatsev, Aslan[3] | [RUS] | 75 46 64 |
| Daniel, Taro (LL) | [JPN] | |
| Berrettini, Matteo[2] | ||
| Berrettini, Matteo[2] | [ITA] | 61 67(5) 60 |
| Karatsev, Aslan[3] | [RUS] | |
| Berrettini, Matteo[2] | ||
| Berrettini, Matteo[2] | [ITA] | 61 36 76(0) |








