| Singles | |
|---|---|
| 2023 Lima Challenger | |
| Champion |  Álvaro Guillén Meza |
| Runner-up |  Blaise Bicknell |
| Score | 7–6(7–3), 6–1 |
Daniel Altmaier was the defending champion [1] but chose not to defend his title.
Álvaro Guillén Meza won the title by defeating Blaise Bicknell 7–6(7–3), 6–1 in the final.
Juan Pablo Ficovich (second round) Renzo Olivo (semifinals)
João Lucas Reis da Silva (second round)
Murkel Dellien (semifinals) Gustavo Heide (second round)
Gonzalo Lama (quarterfinals) Daniel Dutra da Silva (first round)
Gonzalo Bueno (quarterfinals)| Semifinals | Final | ||||||||||||
| Blaise Bicknell | 3 | 78 | 6 | ||||||||||
| 4 | Murkel Dellien | 6 | 66 | 3 | |||||||||
| Blaise Bicknell | 63 | 1 | |||||||||||
| Álvaro Guillén Meza | 77 | 6 | |||||||||||
| Álvaro Guillén Meza | 7 | 7 | |||||||||||
| 2 | Renzo Olivo | 5 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | JP Ficovich | 6 | 77 | ||||||||||||||||||||||||
| Tomás Farjat | 1 | 61 | 1 | JP Ficovich | 5 | 6 | 3 | ||||||||||||||||||||
| B Bicknell | 6 | 6 | B Bicknell | 7 | 4 | 6 | |||||||||||||||||||||
| Q |  V Lilov | 2 | 4 | B Bicknell | 3 | 77 | 6 | ||||||||||||||||||||
 AD Vallejo | 6 | 6 | Q | I Buse | 6 | 62 | 4 | ||||||||||||||||||||
| P Boscardin Dias | 2 | 4 | AD Vallejo | 5 | 64 | ||||||||||||||||||||||
| Q | I Buse | 3 | 6 | 6 | Q | I Buse | 7 | 77 | |||||||||||||||||||
| 7 | D Dutra da Silva | 6 | 3 | 2 | B Bicknell | 3 | 78 | 6 | |||||||||||||||||||
| 4 | M Dellien | 6 | 2 | 6 | 4 | M Dellien | 6 | 66 | 3 | ||||||||||||||||||
| M Alves | 1 | 6 | 0 | 4 | M Dellien | 5 | 6 | 6 | |||||||||||||||||||
| Q | Guido Iván Justo | 4 | 65 | Q | P Sakamoto | 7 | 0 | 0 | |||||||||||||||||||
| Q | P Sakamoto | 6 | 77 | 4 | M Dellien | 6 | 78 | ||||||||||||||||||||
| Juan Bautista Otegui | 6 | 6 | 6 | G Lama | 2 | 66 | |||||||||||||||||||||
| Q | MF Descotte | 3 | 4 | JB Otegui | 68 | 4 | |||||||||||||||||||||
| J Panta | 77 | 4 | 5 | 6 | G Lama | 710 | 6 | ||||||||||||||||||||
| 6 | G Lama | 64 | 6 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | G Heide | 6 | 63 | 6 | |||||||||||||||||||||||
| Ignacio Monzón | 0 | 77 | 1 | 5 | G Heide | 2 | 6 | 64 | |||||||||||||||||||
| Á Guillén Meza | 6 | 6 | Á Guillén Meza | 6 | 2 | 77 | |||||||||||||||||||||
| V Aboian | 1 | 2 | Á Guillén Meza | 6 | 5 | 6 | |||||||||||||||||||||
| WC | A Huertas del Pino | 6 | 1 | 6 | WC | A Huertas del Pino | 2 | 7 | 4 | ||||||||||||||||||
| B Kuzuhara | 4 | 6 | 3 | WC | A Huertas del Pino | 7 | 2 | 6 | |||||||||||||||||||
| Wilson Leite | 1 | 3 | 3 | JL Reis da Silva | 5 | 6 | 2 | ||||||||||||||||||||
| 3 | JL Reis da Silva | 6 | 6 | Á Guillén Meza | 7 | 7 | |||||||||||||||||||||
| 8 | G Bueno | 6 | 6 | 2 | R Olivo | 5 | 5 | ||||||||||||||||||||
| WC | Milledge Cossu | 2 | 3 | 8 | G Bueno | 6 | 6 | ||||||||||||||||||||
| A Andrade | 6 | 6 | A Andrade | 3 | 2 | ||||||||||||||||||||||
| Leonardo Aboian | 3 | 4 | 8 | G Bueno | 6 | 3 | 3 | ||||||||||||||||||||
| G Villanueva | 6 | 1 | 7 | 2 | R Olivo | 4 | 6 | 6 | |||||||||||||||||||
| Q | JC Prado Ángelo | 3 | 6 | 5 | G Villanueva | 6 | 3 | 4 | |||||||||||||||||||
| WC | C Huertas del Pino | 6 | 5 | 5 | 2 | R Olivo | 0 | 6 | 6 | ||||||||||||||||||
| 2 | R Olivo | 3 | 7 | 7 | |||||||||||||||||||||||
Nicolás Almagro defended his title by defeating Filippo Volandri 6–3, 4–6, 6–4 in the final.
Federico Delbonis was the defending champion but chose not to participate.
Stan Wawrinka was the defending champion and successfully defended his title, defeating Mischa Zverev in the final, 4–6, 6–3, 6–3.
Omar Jasika was the defending champion but withdrew before the tournament began.
Henri Laaksonen was the defending champion but chose not to defend his title.
Diego Schwartzman defeated Francisco Cerúndolo in the final, 6–1, 6–2 to win the men's singles tennis title at the 2021 Argentina Open.
Thanasi Kokkinakis was the defending champion but chose not to defend his title.
Carlos Alcaraz defeated Richard Gasquet in the final, 6–2, 6–2 to win the singles tennis title at the 2021 Croatia Open. It was his first ATP Tour title. With the victory, Alcaraz became the youngest player to win an ATP Tour title since Kei Nishikori at the 2008 Delray Beach International Tennis Championships.
Michael Mmoh was the defending champion but lost in the semifinals to Daniel Altmaier.
Sebastian Ofner was the defending champion but chose not to defend his title.
Aslan Karatsev defeated Andy Murray in the final, 6–3, 6–3 to win the men's singles title at the 2022 Sydney Tennis Classic. This was Murray's first ATP final since he won the 2019 European Open.
João Sousa defeated Emil Ruusuvuori in the final, 7–6(11–9), 4–6, 6–1 to win the singles title at the 2022 Tata Open Maharashtra. Sousa saved three match points against Elias Ymer in the semifinals. This was his first title since 2018.
Bernabé Zapata Miralles was the defending champion but lost in the quarterfinals to Andrej Martin.
Daniel Altmaier was the defending champion but chose not to defend his title.
Daniel Altmaier was the defending champion but chose not to defend his title.
Hugo Dellien was the defending champion but chose not to defend his title.
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.
Jesper de Jong and Max Houkes were the defending champions but chose not to defend their title.
Pedro Boscardin Dias and Gustavo Heide were the defending champions but only Boscardin Dias chose to defend his title, partnering Gabriel Roveri Sidney. They lost in the first round to Luís Britto and Paulo André Saraiva dos Santos.
Roberto Carballés Baena was the defending champion and successfully defended his title after defeating Daniel Altmaier 6–3, 7–5 in the final.