Belgrade CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Roberto Carballes Baena | d. | Damir Dzumhur | 6-4 7-5 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Damir Dzumhur | d. | Jozef Kovalik | 3-6 6-3 6-3 |
| Roberto Carballes Baena | d. | Liam Broady | 3-6 6-2 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jozef Kovalik | d. | Facundo Bagnis | 2-6 6-4 6-4 |
| Damir Dzumhur | d. | Taro Daniel | 6-4 6-4 |
| Liam Broady | d. | Brandon Nakashima | 6-4 6-7(2) 6-4 |
| Roberto Carballes Baena | d. | Blaz Rola | 7-6(7) 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Facundo Bagnis | d. | Hamad Medjedovic | 6-2 6-2 |
| Jozef Kovalik | d. | Federico Gaio | 6-0 7-6(4) |
| Damir Dzumhur | d. | Philipp Kohlschreiber | 6-4 6-3 |
| Taro Daniel | d. | Antoine Hoang | 6-4 6-2 |
| Brandon Nakashima | d. | Hugo Dellien | 6-2 6-2 |
| Liam Broady | d. | Sebastian Ofner | 4-6 6-1 7-5 |
| Blaz Rola | d. | Benjamin Bonzi | 6-2 6-2 |
| Roberto Carballes Baena | d. | Marco Trungelliti | 6-2 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Facundo Bagnis | d. | Jurij Rodionov | 2-6 6-1 6-2 |
| Hamad Medjedovic | d. | Oscar Otte | 6-3 1-6 6-3 |
| Federico Gaio | d. | Evgeny Donskoy | 6-4 6-3 |
| Jozef Kovalik | d. | Francisco Cerundolo | 7-6(6) 6-1 |
| Philipp Kohlschreiber | d. | Maxime Cressy | 7-5 4-6 6-2 |
| Damir Dzumhur | d. | Pedja Krstin | 4-6 6-2 6-3 |
| Antoine Hoang | d. | Matthias Bachinger | 5-7 6-4 0-0 RET |
| Taro Daniel | d. | Marko Miladinovic | 6-1 7-5 |
| Hugo Dellien | d. | Tallon Griekspoor | 7-6(7) 6-4 |
| Brandon Nakashima | d. | Elliot Benchetrit | 6-7(7) 6-1 6-0 |
| Liam Broady | d. | Nikola Milojevic | 6-3 6-4 |
| Sebastian Ofner | d. | Daniel Elahi Galan | 7-5 3-6 6-4 |
| Benjamin Bonzi | d. | Goncalo Oliveira | 4-0 RET |
| Blaz Rola | d. | Alessandro Giannessi | 6-4 2-0 RET |
| Marco Trungelliti | d. | Danilo Petrovic | 6-3 6-2 |
| Roberto Carballes Baena | d. | Arthur Rinderknech | 6-4 7-6(4) |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Elliot Benchetrit | d. | Marius Copil | 6-3 6-1 |
| Matthias Bachinger | d. | Dmitry Popko | 6-4 6-4 |
| Alessandro Giannessi | d. | Maxime Janvier | 3-6 6-4 6-4 |
| Marco Trungelliti | d. | Andrej Martin | 5-7 6-3 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Marius Copil | d. | John Patrick Smith | 7-5 6-3 |
| Elliot Benchetrit | d. | Viktor Troicki | 2-6 6-3 7-6(5) |
| Matthias Bachinger | d. | Malek Jaziri | 6-3 6-4 |
| Dmitry Popko | d. | Boris Butulija | 6-2 6-1 |
| Maxime Janvier | d. | Andrea Arnaboldi | 6-4 6-4 |
| Alessandro Giannessi | d. | Marko Topo | 2-6 7-6(4) 6-2 |
| Marco Trungelliti | d. | Igor Sijsling | 6-3 6-3 |
| Andrej Martin | d. | Marko Tepavac | 1-6 7-6(3) 7-5 |