| Singles | |
|---|---|
| 2024 São Léo Open | |
| Champion |  Daniel Vallejo |
| Runner-up |  Enzo Couacaud |
| Score | 6–3, 6–2 |
Juan Pablo Varillas was the defending champion [1] but lost in the semifinals to Enzo Couacaud.
Daniel Vallejo won the title after defeating Couacaud 6–3, 6–2 in the final.
Juan Pablo Varillas (semifinals)
Thiago Monteiro (first round)
Camilo Ugo Carabelli (quarterfinals) Felipe Meligeni Alves (semifinals) Román Andrés Burruchaga (withdrew) Genaro Alberto Olivieri (second round) Geoffrey Blancaneaux (first round)
Gonçalo Oliveira (quarterfinals) Gustavo Heide (withdrew)| Semifinals | Final | ||||||||||||
| 1 | Juan Pablo Varillas | 6 | 4 | 62 | |||||||||
| Enzo Couacaud | 2 | 6 | 77 | ||||||||||
| Enzo Couacaud | 3 | 2 | |||||||||||
| WC | Daniel Vallejo | 6 | 6 | ||||||||||
| 4 | Felipe Meligeni Alves | 4 | 6 | 0 | |||||||||
| WC | Daniel Vallejo | 6 | 3 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | JP Varillas | 7 | 77 | ||||||||||||||||||||||||
| LL | G Villanueva | 5 | 60 | 1 | JP Varillas | 77 | 5 | 6 | |||||||||||||||||||
| G Bueno | 2 | 5 | Q | LJ Rodríguez | 62 | 7 | 3 | ||||||||||||||||||||
| Q | Lorenzo Joaquín Rodríguez | 6 | 7 | 1 | JP Varillas | 6 | 77 | ||||||||||||||||||||
 G Mager | 3 | 6 | 77 | 8 | G Oliveira | 4 | 64 | ||||||||||||||||||||
| WC | D Dutra da Silva | 6 | 3 | 63 | G Mager | 65 | 2 | ||||||||||||||||||||
| JL Reis da Silva | 5 | 3 | 8 | G Oliveira | 77 | 6 | |||||||||||||||||||||
| 8 | G Oliveira | 7 | 6 | 1 | JP Varillas | 6 | 4 | 62 | |||||||||||||||||||
| 3 | C Ugo Carabelli | 6 | 3 | 6 | E Couacaud | 2 | 6 | 77 | |||||||||||||||||||
 Á Guillén Meza | 3 | 6 | 4 | 3 | C Ugo Carabelli | 6 | 3 | 6 | |||||||||||||||||||
| Q |  D Cukierman | 7 | 6 | Q | D Cukierman | 3 | 6 | 4 | |||||||||||||||||||
| Alt |  C Sánchez Jover | 5 | 2 | 3 | C Ugo Carabelli | 2 | 6 | 2 | |||||||||||||||||||
| Alexander Weis | 3 | 4 | E Couacaud | 6 | 1 | 6 | |||||||||||||||||||||
| A Collarini | 6 | 6 | A Collarini | 1 | 6 | 4 | |||||||||||||||||||||
| E Couacaud | 6 | 77 | E Couacaud | 6 | 3 | 6 | |||||||||||||||||||||
| Q | E Gómez | 4 | 63 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | G Blancaneaux | 3 | 2 | ||||||||||||||||||||||||
| M Pucinelli de Almeida | 6 | 6 | M Pucinelli de Almeida | 6 | 2 | 7 | |||||||||||||||||||||
 JC Prado Ángelo | 6 | 0 | 6 | JC Prado Ángelo | 2 | 6 | 5 | ||||||||||||||||||||
| Alt |  B Bobrov | 4 | 6 | 2 | M Pucinelli de Almeida | 6 | 5 | 64 | |||||||||||||||||||
| R Olivo | 3 | 3 | 4 | F Meligeni Alves | 3 | 7 | 77 | ||||||||||||||||||||
| WC | M Alves | 6 | 6 | WC | M Alves | ||||||||||||||||||||||
| Q |  K Uchida | 67 | 6 | 3 | 4 | F Meligeni Alves | w/o | ||||||||||||||||||||
| 4 | F Meligeni Alves | 79 | 2 | 6 | 4 | F Meligeni Alves | 4 | 6 | 0 | ||||||||||||||||||
| 6 | GA Olivieri | 6 | 6 | WC | AD Vallejo | 6 | 3 | 6 | |||||||||||||||||||
| Q | JB Torres | 2 | 4 | 6 | GA Olivieri | 1 | 4 | ||||||||||||||||||||
| WC | AD Vallejo | 6 | 5 | 7 | WC | AD Vallejo | 6 | 6 | |||||||||||||||||||
 L Draxl | 2 | 7 | 5 | WC | AD Vallejo | 6 | 6 | ||||||||||||||||||||
| P Sakamoto | 6 | 6 | Alt | O Luz | 3 | 1 | |||||||||||||||||||||
| Q |  B Kuzuhara | 2 | 0 | P Sakamoto | 4 | 6 | 4 | ||||||||||||||||||||
| Alt | O Luz | 4 | 6 | 7 | Alt | O Luz | 6 | 4 | 6 | ||||||||||||||||||
| 2 | T Monteiro | 6 | 3 | 5 | |||||||||||||||||||||||
Cristian Garín was the defending champion but chose not to defend his title.
Guido Andreozzi was the defending champion but chose not to defend his title.
Juan Ignacio Londero was the defending champion, but lost to Laslo Đere in the quarterfinals.
Fabio Fognini was the champion in 2014, when the event was last held, but chose to compete in Dubai instead.
Cristian Garín defeated Facundo Bagnis in the final, 6–4, 6–7(3–7), 7–5 to capture the men's singles tennis title at the 2021 Chile Open.
Juan Pablo Varillas was the defending champion but chose not to defend his title.
Sebastián Báez was the defending champion but lost in the final to Juan Pablo Varillas.
Juan Pablo Varillas was the defending champion but lost in the quarterfinals to Marcelo Tomás Barrios Vera.
Hugo Dellien was the defending champion but lost in the quarterfinals to Juan Manuel Cerúndolo.
Albert Ramos Viñolas defeated Alejandro Tabilo in the final, 4–6, 6–3, 6–4 to win the singles title at the 2022 Córdoba Open.
Francisco Cerúndolo was the defending champion but chose not to defend his title.
Daniel Altmaier was the defending champion but chose not to defend his title.
Juan Pablo Varillas was the defending champion but lost in the first round to Thiago Agustín Tirante.
Sebastián Báez was the defending champion but chose not to defend his title.
Thiago Agustín Tirante was the defending champion but lost in the semifinals to Facundo Bagnis.
Maxime Cressy was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Novak Djokovic defeated Stefanos Tsitsipas in the final, 6–3, 7–6(7–4), 7–6(7–5) to win the men's singles tennis title at the 2023 Australian Open. It was his record-extending tenth Australian Open title and 22nd major title overall, tying Rafael Nadal for the all-time record of most Grand Slam men's singles titles won. He also became the second man to win double-digit titles at a single major, after Nadal at the French Open. Djokovic lost just one set en route to the title, and extended his match winning-streak at the Australian Open to an Open Era record 28 matches.
Rinky Hijikata and Jason Kubler defeated Hugo Nys and Jan Zieliński in the final, 6–4, 7–6(7–4) to win the men's doubles tennis title at the 2023 Australian Open. Awarded a wildcard into the tournament, Hijikata and Kubler saved a match point en route to the title, in their third round match against Tomislav Brkić and Gonzalo Escobar. Nys became the first ever Monegasque player to reach the semifinal and final of a major.
This was the first edition of the tournament.