| Singles | |
|---|---|
| 2024 Tennis Open Karlsruhe | |
| Champion |  Jozef Kovalík |
| Runner-up |  Camilo Ugo Carabelli |
| Score | 6–3, 7–6(7–2) |
Alejandro Tabilo was the defending champion [1] but chose not to defend his title.
Jozef Kovalík won the title after defeating Camilo Ugo Carabelli 6–3, 7–6(7–2) in the final.
Camilo Ugo Carabelli (final) Jozef Kovalík (champion)
Pierre-Hugues Herbert (first round)
Benjamin Hassan (quarterfinals)
Denis Yevseyev (first round)
Hugo Dellien (first round)
Zsombor Piros (semifinals)
Joris De Loore (first round)| Semifinals | Final | ||||||||||||
| 1 | Camilo Ugo Carabelli | 6 | 6 | ||||||||||
| 7 | Zsombor Piros | 4 | 0 | ||||||||||
| 1 | Camilo Ugo Carabelli | 3 | 62 | ||||||||||
| 2 | Jozef Kovalík | 6 | 77 | ||||||||||
 Daniel Masur | 77 | 0 | 1 | ||||||||||
| 2 | Jozef Kovalík | 63 | 6 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | C Ugo Carabelli | 3 | 6 | 6 | |||||||||||||||||||||||
 Z Kolář | 6 | 3 | 1 | 1 | C Ugo Carabelli | 6 | 7 | ||||||||||||||||||||
| S Rodríguez Taverna | 64 | 66 | Q |  A Zakharov | 4 | 5 | |||||||||||||||||||||
| Q | A Zakharov | 77 | 78 | 1 | C Ugo Carabelli | 6 | 6 | ||||||||||||||||||||
| M Vrbenský | 6 | 3 | 6 | Q |  E Butvilas | 4 | 1 | ||||||||||||||||||||
| WC | N Kuhn | 1 | 6 | 4 | M Vrbenský | 7 | 1 | 3 | |||||||||||||||||||
| Q | E Butvilas | 5 | 6 | 77 | Q | E Butvilas | 5 | 6 | 6 | ||||||||||||||||||
| 6 | H Dellien | 7 | 3 | 63 | 1 | C Ugo Carabelli | 6 | 6 | |||||||||||||||||||
| 3 | P-H Herbert | 4 | 4 | 7 | Z Piros | 4 | 0 | ||||||||||||||||||||
| WC | J Engel | 6 | 6 | WC | J Engel | 6 | 4 | 0 | |||||||||||||||||||
 J Kym | 3 | 77 | 5 |  A Andreev | 4 | 6 | 6 | ||||||||||||||||||||
| A Andreev | 6 | 64 | 7 | A Andreev | 6 | 3 | 3 | ||||||||||||||||||||
| C Tabur | 6 | 6 | 7 | Z Piros | 3 | 6 | 6 | ||||||||||||||||||||
| Alt |  T Kodat | 2 | 3 | C Tabur | 7 | 4 | 3 | ||||||||||||||||||||
 N Sánchez Izquierdo | 65 | 4 | 7 | Z Piros | 5 | 6 | 6 | ||||||||||||||||||||
| 7 | Z Piros | 77 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | D Yevseyev | 2 | 3 | ||||||||||||||||||||||||
 A Shelbayh | 6 | 6 | A Shelbayh | 66 | 3 | ||||||||||||||||||||||
| D Masur | 3 | 6 | 7 | D Masur | 78 | 6 | |||||||||||||||||||||
| A Kachmazov | 6 | 4 | 5 | D Masur | 6 | 6 | |||||||||||||||||||||
| Q |  R Strombachs | 6 | 6 | 4 | B Hassan | 3 | 3 | ||||||||||||||||||||
| D Rincón | 3 | 4 | Q | R Strombachs | 3 | 4 | |||||||||||||||||||||
| Q | MH Rehberg | 1 | 4 | 4 | B Hassan | 6 | 6 | ||||||||||||||||||||
| 4 | B Hassan | 6 | 6 | D Masur | 77 | 0 | 1 | ||||||||||||||||||||
| 8 | J De Loore | 65 | 6 | 3 | 2 | J Kovalík | 63 | 6 | 6 | ||||||||||||||||||
| R Molleker | 77 | 1 | 6 | R Molleker | 6 | 6 | |||||||||||||||||||||
| PR | E Furness | 6 | 6 | PR | E Furness | 4 | 2 | ||||||||||||||||||||
| WC | Diego Dedura-Palomero | 3 | 2 | R Molleker | 66 | 2 | |||||||||||||||||||||
 G Oliveira | 3 | 2 | 2 | J Kovalík | 78 | 6 | |||||||||||||||||||||
| Q | Liam Gavrielides | 6 | 6 | Q | L Gavrielides | 7 | 3 | 4 | |||||||||||||||||||
| Q | Niklas Schell | 1 | 2 | 2 | J Kovalík | 5 | 6 | 6 | |||||||||||||||||||
| 2 | J Kovalík | 6 | 6 | ||||||||||||||||||||||||
This was the first edition of the tournament.
Daniel Elahi Galán was the defending champion, but chose not to defend his title.
Sebastián Báez was the defending champion but chose not to defend his title.
Pedro Martínez defeated Sebastián Báez in the final, 4–6, 6–4, 6–4 to win the singles title at the 2022 Chile Open. It was his first ATP Tour title.
Santiago Rodríguez Taverna was the defending champion but lost in the quarterfinals to Genaro Alberto Olivieri.
Nicolás Jarry was the defending champion but chose not to defend his title.
Sergio Galdós and Gonçalo Oliveira were the defending champions but only Galdós chose to defend his title, partnering Renzo Olivo. Galdós lost in the semifinals to Orlando Luz and Camilo Ugo Carabelli.
Camilo Ugo Carabelli was the defending champion but lost in the second round to Giovanni Mpetshi Perricard.
Camilo Ugo Carabelli was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Daniel Elahi Galán was the defending champion but chose not to defend his title.
Sebastián Báez defeated Federico Coria in the final, 6–1, 3–6, 6–3 to win the singles tennis title at the 2023 Córdoba Open.
Cameron Norrie defeated the defending champion Carlos Alcaraz in the final, 5–7, 6–4, 7–5 to win the singles tennis title at the 2023 Rio Open. It was their second final meeting in as many weeks, with Alcaraz winning the title in Buenos Aires the week prior.
Nicolás Jarry defeated Tomás Martín Etcheverry in the final, 6–7(5–7), 7–6(7–5), 6–2 to win the singles tennis title at the 2023 Chile Open. This was Jarry's first ATP title since 2019.
Bernabé Zapata Miralles was the defending champion but chose not to defend his title.
Daniel Altmaier was the defending champion but chose not to defend his title.
Andrea Collarini was the defending champion but chose not to defend his title.
Sebastián Báez defeated Alejandro Tabilo in the final, 3–6, 6–0, 6–4 to win the singles tennis title at the 2024 Chile Open. It was his sixth career ATP Tour title and his second title in as many weeks, having won the Rio Open the week before.
Nicolás Kicker was the defending champion but lost in the first round to Gustavo Heide.
Aleksandar Kovacevic was the defending champion but lost in the second round to Juan Carlos Prado Ángelo.