| Singles | |
|---|---|
| 2024 Bratislava Open | |
| Champion |  Kamil Majchrzak |
| Runner-up |  Henrique Rocha |
| Score | 6–0, 2–6, 6–3 |
Vitaliy Sachko was the defending champion [1] but lost in the first round to Martin Krumich.
Kamil Majchrzak won the title after defeating Henrique Rocha 6–0, 2–6, 6–3 in the final.
Pedro Cachín (quarterfinals)
Albert Ramos Viñolas (second round)
Radu Albot (first round)
Jozef Kovalík (semifinals)
Zsombor Piros (first round) Oriol Roca Batalla (first round) Marco Trungelliti (second round) Jaime Faria (first round)| Semifinals | Final | ||||||||||||
| Q |  Jérôme Kym | 4 | 7 | 3 | |||||||||
| Q | Kamil Majchrzak | 6 | 5 | 6 | |||||||||
| Q | Kamil Majchrzak | 6 | 2 | 6 | |||||||||
| Henrique Rocha | 0 | 6 | 3 | ||||||||||
| 4/WC | Jozef Kovalík | 3 | 4 | ||||||||||
| Henrique Rocha | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Cachín | 6 | 63 | 7 | |||||||||||||||||||||||
 J Veselý | 3 | 77 | 5 | 1 | P Cachín | 77 | 77 | ||||||||||||||||||||
 I Marchenko | 6 | 65 | 65 |  L Neumayer | 65 | 64 | |||||||||||||||||||||
| L Neumayer | 4 | 77 | 77 | 1 | P Cachín | 77 | 1 | 2 | |||||||||||||||||||
| Q | J Kym | 65 | 77 | 6 | Q | J Kym | 65 | 6 | 6 | ||||||||||||||||||
 Valentin Royer | 77 | 62 | 4 | Q | J Kym | 1 | 77 | 77 | |||||||||||||||||||
| Alt |  I Gakhov | 4 | 1 | 7 | M Trungelliti | 6 | 64 | 64 | |||||||||||||||||||
| 7 | M Trungelliti | 6 | 6 | Q | J Kym | 4 | 7 | 3 | |||||||||||||||||||
| 3 | R Albot | 6 | 65 | 5 | Q | K Majchrzak | 6 | 5 | 6 | ||||||||||||||||||
| LL |  Matej Dodig | 4 | 77 | 7 | LL | M Dodig | 1 | 4 | |||||||||||||||||||
| Q |  Y Erel | 62 | 77 | 4 |  D Popko | 6 | 6 | ||||||||||||||||||||
| D Popko | 77 | 65 | 6 | D Popko | 1 | 3 | |||||||||||||||||||||
| Q | K Majchrzak | 6 | 6 | Q | K Majchrzak | 6 | 6 | ||||||||||||||||||||
| E Kırkın | 3 | 1 | Q | K Majchrzak | 6 | 6 | |||||||||||||||||||||
| SE | L Mikrut | 6 | 6 | SE | L Mikrut | 0 | 4 | ||||||||||||||||||||
| 8 | J Faria | 3 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | O Roca Batalla | 4 | 4 | ||||||||||||||||||||||||
| M Landaluce | 6 | 6 | M Landaluce | 6 | 79 | ||||||||||||||||||||||
| Q | Martin Krumich | 6 | 6 | Q | M Krumich | 3 | 67 | ||||||||||||||||||||
| V Sachko | 3 | 3 | M Landaluce | 3 | 4 | ||||||||||||||||||||||
| D Svrčina | 4 | 0 | 4/WC | J Kovalík | 6 | 6 | |||||||||||||||||||||
| WC | M Kližan | 6 | 6 | WC | M Kližan | 6 | 4 | 2 | |||||||||||||||||||
| Q |  Sebastian Gima | 3 | 5 | 4/WC | J Kovalík | 4 | 6 | 6 | |||||||||||||||||||
| 4/WC | J Kovalík | 6 | 7 | 4/WC | J Kovalík | 3 | 4 | ||||||||||||||||||||
| 5 | Z Piros | 61 | 1 | H Rocha | 6 | 6 | |||||||||||||||||||||
| Q | Alexey Zakharov | 77 | 6 | Q | A Zakharov | 65 | 65 | ||||||||||||||||||||
| WC | N Gombos | 6 | 5 | 6 | WC | N Gombos | 77 | 77 | |||||||||||||||||||
 Gerard Campana Lee | 2 | 7 | 4 | WC | N Gombos | 3 | 1 | ||||||||||||||||||||
| GA Olivieri | 4 | 4 | H Rocha | 6 | 6 | ||||||||||||||||||||||
| H Rocha | 6 | 6 | H Rocha | 78 | 5 | 6 | |||||||||||||||||||||
| A Molčan | 2 | 6 | 1 | 2 | A Ramos Viñolas | 66 | 7 | 1 | |||||||||||||||||||
| 2 | A Ramos Viñolas | 6 | 4 | 6 | |||||||||||||||||||||||
Dominic Thiem was the defending champion, but lost to Andrey Rublev in the quarterfinals.
This was the first edition of the tournament.
Andrej Martin and Hans Podlipnik Castillo were the defending champions but chose not to defend their title.
Jesper de Jong and Vitaliy Sachko were the defending champions but only Sachko chose to defend his title, partnering Vladyslav Manafov.
Federico Delbonis was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Íñigo Cervantes and Oriol Roca Batalla were the defending champions but chose not to defend his title.
Maxime Cressy was the defending champion but lost in the quarterfinals to Vitaliy Sachko.
Victor Vlad Cornea and Fabian Fallert were the defending champions but lost in the final to Marco Bortolotti and Vitaliy Sachko.
Defending champion Casper Ruud defeated João Sousa in the final, 7–6(7–3), 4–6, 7–6(7–1) to win the singles tennis title at the 2022 Geneva Open.
Roberto Bautista Agut defeated Filip Misolic in the final, 6–2, 6–2 to win the singles tennis title at the 2022 Generali Open Kitzbühel.
Franco Agamenone was the defending champion but chose not to defend his title.
Nicolás Jarry defeated Grigor Dimitrov in the final, 7–6(7–1), 6–1 to win the singles tennis title at the 2023 Geneva Open.
Jozef Kovalík was the defending champion but lost in the first round to Henri Squire.
Adrian Mannarino defeated Jack Draper in the final, 7–6(8–6), 2–6, 6–3 to win the singles tennis title at the 2023 Sofia Open. It was his third ATP Tour singles title of the season and the fifth of his career.
Valentin Vacherot was the two-time defending champion but chose not to defend his title.
Dimitar Kuzmanov was the defending champion but chose not to defend his title.
Zdeněk Kolář was the defending champion but withdrew before his quarterfinal match against Timofey Skatov.
Francisco Comesaña was the defending champion but chose not to defend his title.