Belgrade 2 2021 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Novak Djokovic | m. | Alex Molcan | 6-4 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Alex Molcan | m. | Federico Delbonis | 4-6 6-4 6-4 |
| Novak Djokovic | m. | Andrej Martin | 6-1 4-6 6-0 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Federico Delbonis | m. | Roberto Carballes Baena | W/O |
| Alex Molcan | m. | Fernando Verdasco | 6-2 6-0 |
| Andrej Martin | m. | Dusan Lajovic | 3-6 6-3 6-4 |
| Novak Djokovic | m. | Federico Coria | 6-1 6-0 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Roberto Carballes Baena | m. | Gael Monfils | 6-1 3-6 7-6(4) |
| Federico Delbonis | m. | Thiago Monteiro | 7-6(6) 3-6 6-4 |
| Fernando Verdasco | m. | Adrian Mannarino | 7-6(4) 6-0 |
| Alex Molcan | m. | Pedja Krstin | 6-0 6-0 |
| Dusan Lajovic | m. | Jeremy Chardy | 6-3 6-4 |
| Andrej Martin | m. | Nikoloz Basilashvili | 6-1 4-6 7-6(4) |
| Federico Coria | m. | Pablo Cuevas | 6-3 6-2 |
| Novak Djokovic | m. | Mats Moraing | 6-2 7-6(4) |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Roberto Carballes Baena | m. | Arthur Rinderknech | 6-0 6-4 |
| Thiago Monteiro | m. | Radu Albot | 6-2 6-2 |
| Federico Delbonis | m. | Lukas Klein | 3-6 6-3 6-4 |
| Fernando Verdasco | m. | Lucas Pouille | 7-5 6-2 |
| Pedja Krstin | m. | Soon Woo Kwon | 6-2 3-6 6-1 |
| Alex Molcan | m. | Hamad Medjedovic | 6-4 6-3 |
| Dusan Lajovic | m. | Ricardas Berankis | 6-3 6-3 |
| Jeremy Chardy | m. | Tennys Sandgren | 6-4 6-2 |
| Andrej Martin | m. | Christopher Oconnell | 3-6 7-6(7) 7-5 |
| Pablo Cuevas | m. | Miomir Kecmanovic | 6-3 6-2 |
| Federico Coria | m. | Marko Topo | 4-6 6-2 6-0 |
| Mats Moraing | m. | Egor Gerasimov | 4-6 7-6(7) 7-5 |
Kualifikasi babak 2
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Christopher Oconnell | m. | Lukas Klein | 7-6(7) 7-5 |
| Andrej Martin | m. | Mats Moraing | 6-1 6-3 |
| Roberto Carballes Baena | m. | Vit Kopriva | 6-4 6-4 |
| Alex Molcan | m. | Carlos Gomez Herrera | 6-3 7-6(8) |
Kualifikasi babak 1
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lukas Klein | m. | Marko Tepavac | 6-4 6-1 |
| Christopher Oconnell | m. | Darian King | 6-1 6-3 |
| Mats Moraing | m. | Malek Jaziri | 6-3 6-4 |
| Andrej Martin | m. | Akira Santillan | 6-3 6-3 |
| Vit Kopriva | m. | Alexey Vatutin | 6-3 3-6 6-4 |
| Roberto Carballes Baena | m. | Mirza Basic | 6-2 6-3 |
| Alex Molcan | m. | Nerman Fatic | 6-4 6-1 |
| Carlos Gomez Herrera | m. | John Patrick Smith | 6-4 7-6(5) |