| Singles | |
|---|---|
| 2024 Campeonato Internacional de Tênis de Campinas | |
| Champion |  Tristan Boyer |
| Runner-up |  Juan Pablo Ficovich |
| Score | 6–2, 3–6, 6–3 |
Thiago Monteiro was the defending champion [1] but chose not to defend his title.
Tristan Boyer won the title after defeating Juan Pablo Ficovich 6–2, 3–6, 6–3 in the final.
Federico Coria (first round) Francisco Comesaña (second round)
Hugo Dellien (second round) Camilo Ugo Carabelli (semifinals, retired) Román Andrés Burruchaga (quarterfinals) Federico Agustín Gómez (first round)
Henrique Rocha (second round)
Felipe Meligeni Alves (first round)| Semifinals | Final | ||||||||||||
| Tristan Boyer | 6 | 5 | |||||||||||
| 4 | Camilo Ugo Carabelli | 3 | 4r | ||||||||||
| Tristan Boyer | 6 | 3 | 6 | ||||||||||
| Juan Pablo Ficovich | 2 | 6 | 3 | ||||||||||
| Alt |  Álvaro Guillén Meza | 2 | 4 | ||||||||||
| Juan Pablo Ficovich | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Coria | 6 | 1 | 4 | |||||||||||||||||||||||
| S Rodríguez Taverna | 3 | 6 | 6 | S Rodríguez Taverna | 6 | 1 | 5 | ||||||||||||||||||||
| T Boyer | 6 | 60 | 6 | T Boyer | 2 | 6 | 7 | ||||||||||||||||||||
| Q | JB Torres | 4 | 77 | 4 | T Boyer | 6 | 0 | 6 | |||||||||||||||||||
| Q | G Elias | 0 | 6 | 4 | Q | JC Prado Ángelo | 4 | 6 | 3 | ||||||||||||||||||
| Q | JC Prado Ángelo | 6 | 3 | 6 | Q | JC Prado Ángelo | 713 | 6 | |||||||||||||||||||
| WC | Matheus Bueres | 2 | 4 | 7 | H Rocha | 611 | 4 | ||||||||||||||||||||
| 7 | H Rocha | 6 | 6 | T Boyer | 6 | 5 | |||||||||||||||||||||
| 4 | C Ugo Carabelli | 63 | 6 | 6 | 4 | C Ugo Carabelli | 3 | 4r | |||||||||||||||||||
| G Heide | 77 | 2 | 3 | 4 | C Ugo Carabelli | 6 | 1 | 6 | |||||||||||||||||||
| WC | D Dutra da Silva | 5 | 3 | Q | K Sell | 3 | 6 | 1 | |||||||||||||||||||
| Q | Karue Sell | 7 | 6 | 4 | C Ugo Carabelli | 6 | 6 | ||||||||||||||||||||
 AD Vallejo | 4 | 0 |  T Barrios Vera | 1 | 0 | ||||||||||||||||||||||
| Q | M Pucinelli de Almeida | 6 | 6 | Q | M Pucinelli de Almeida | 66 | 1 | ||||||||||||||||||||
| T Barrios Vera | 6 | 6 | T Barrios Vera | 78 | 6 | ||||||||||||||||||||||
| 8 | F Meligeni Alves | 1 | 1 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | FA Gómez | 3 | 2 | ||||||||||||||||||||||||
| Alt | P Sakamoto | 6 | 6 | Alt | P Sakamoto | 5 | 6 | 4 | |||||||||||||||||||
 JP Varilas | 4 | 6 | 6 | JP Varilas | 7 | 4 | 6 | ||||||||||||||||||||
| G Bueno | 6 | 4 | 3 | JP Varilas | 3 | 6 | 4 | ||||||||||||||||||||
| LL | V Aboian | 3 | 1 | Alt | A Guillén Meza | 6 | 4 | 6 | |||||||||||||||||||
| Alt | A Guillén Meza | 6 | 6 | Alt | A Guillén Meza | 6 | 1 | 6 | |||||||||||||||||||
| J Faria | 1 | 1 | 3 | H Dellien | 2 | 6 | 4 | ||||||||||||||||||||
| 3 | H Dellien | 6 | 6 | Alt | A Guillén Meza | 2 | 4 | ||||||||||||||||||||
| 5 | RA Burruchaga | 6 | 6 | JP Ficovich | 6 | 6 | |||||||||||||||||||||
| A Collarini | 4 | 2 | 5 | RA Burruchaga | 6 | 6 | |||||||||||||||||||||
| Q | M Soto | 5 | 3 | M Dellien | 0 | 2 | |||||||||||||||||||||
| M Dellien | 7 | 6 | 5 | RA Burruchaga | 6 | 2 | 4 | ||||||||||||||||||||
| JP Ficovich | 6 | 3 | 78 | JP Ficovich | 1 | 6 | 6 | ||||||||||||||||||||
| WC | M Alves | 2 | 6 | 66 | JP Ficovich | 6 | 6 | ||||||||||||||||||||
| Alt |  H Habib | 5 | 4 | 2 | F Comesaña | 4 | 3 | ||||||||||||||||||||
| 2 | F Comesaña | 7 | 6 | ||||||||||||||||||||||||
Víctor Estrella Burgos was the two-time defending champion and successfully defended his title, defeating Paolo Lorenzi in the final, 6–7(2–7), 7–5, 7–6(8–6).
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Federico Delbonis was the defending champion but chose not to defend his title.
Stefanos Tsitsipas was the defending champion but chose not to defend his title.
Richard Gasquet was the defending champion but chose not to defend his title.
Gastão Elias was the defending champion but lost in the first round to Camilo Ugo Carabelli.
Víctor Estrella Burgos was the defending champion but lost in the first round to Federico Delbonis.
Gerald Melzer was the defending champion but lost in the first round to Federico Coria.
Cristian Garín was the defending champion but chose not to defend his title.
Cristian Garín was the defending champion but chose not to defend his title.
Thiago Monteiro was the defending champion and successfully defended his title, defeating Marco Cecchinato 7–6(7–3), 6–7(6–8), 7–5 in the final.
Dominic Thiem was the defending champion and chose not to defend his title, as he was still competing at the 2020 US Open.
Thiago Monteiro was the defending champion but chose not to defend his title.
Cristian Garín was the defending champion, but chose not to defend his title.
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Jaume Munar was the defending champion but lost in the semifinals to Juan Ignacio Londero.
Sebastian Korda was the defending champion but chose not to defend his title.
Lorenzo Sonego was the defending champion but chose not to defend his title.
Richard Gasquet defeated Cameron Norrie in the final, 4–6, 6–4, 6–4 to win the men's singles tennis title at the 2023 ASB Classic. It was his 16th ATP Tour singles title, and his first since 2018.
Thiago Monteiro was the defending champion but lost in the quarterfinals to Román Andrés Burruchaga.