| Singles | |
|---|---|
| 2017 Claro Open Medellín | |
| Champion |  Nicolás Jarry |
| Runner-up |  João Souza |
| Score | 6–1, 3–6, 7–6(7–0) |
Facundo Bagnis was the defending champion but chose not to defend his title.
Nicolás Jarry won the title after defeating João Souza 6–1, 3–6, 7–6(7–0) in the final.
Víctor Estrella Burgos (first round)
Darian King (semifinals) João Souza (final) Nicolás Jarry (champion)
Marcelo Arévalo (second round)
Roberto Quiroz (quarterfinals) José Hernández-Fernández (second round)
Maxime Hamou (withdrew)| Semifinals | Final | ||||||||||||
 José Statham | 67 | 5 | |||||||||||
| 4 | Nicolás Jarry | 79 | 7 | ||||||||||
| 4 | Nicolás Jarry | 6 | 3 | 77 | |||||||||
| 3 | João Souza | 1 | 6 | 60 | |||||||||
| 3 | João Souza | 6 | 6 | ||||||||||
| 2 | Darian King | 3 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Estrella Burgos | 3 | 6 | 3 | |||||||||||||||||||||||
| J Statham | 6 | 3 | 6 | J Statham | 6 | 6 | |||||||||||||||||||||
| WC |  Charles Force | 4 | 3 | Q |  D Souto | 3 | 3 | ||||||||||||||||||||
| Q | D Souto | 6 | 6 | J Statham | 6 | 6 | |||||||||||||||||||||
 JS Gómez | 3 | 2 | A González | 4 | 4 | ||||||||||||||||||||||
| A González | 6 | 6 | A González | 6 | 6 | ||||||||||||||||||||||
| Q |  C Díaz Figueroa | 2 | 77 | 3 | 7 | J Hernández-Fernández | 1 | 3 | |||||||||||||||||||
| 7 | J Hernández-Fernández | 6 | 65 | 6 | J Statham | 67 | 5 | ||||||||||||||||||||
| 4 | N Jarry | 6 | 6 | 4 | N Jarry | 79 | 7 | ||||||||||||||||||||
| N Santos | 3 | 3 | 4 | N Jarry | 6 | 5 | 6 | ||||||||||||||||||||
 F Mena | 3 | 4 |  JP Varillas | 3 | 7 | 4 | |||||||||||||||||||||
| JP Varillas | 6 | 6 | 4 | N Jarry | 77 | 6 | |||||||||||||||||||||
| DE Galán | 6 | 77 | DE Galán | 64 | 3 | ||||||||||||||||||||||
| F Argüello | 4 | 63 | DE Galán | 6 | 7 | ||||||||||||||||||||||
| A El Mihdawy | 6 | 6 | A El Mihdawy | 4 | 5 | ||||||||||||||||||||||
| LL | Michel Vernier | 4 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Arévalo | 6 | 77 | ||||||||||||||||||||||||
| Felipe Mantilla | 3 | 64 | 5 | M Arévalo | 77 | 4 | 65 | ||||||||||||||||||||
| Q | Franco Emanuel Egea | 77 | 4 | 65 | WC | C Salamanca | 63 | 6 | 77 | ||||||||||||||||||
| WC | C Salamanca | 63 | 6 | 77 | WC | C Salamanca | 64 | 65 | |||||||||||||||||||
| WC | Sergio Luis Hernández Ramírez | 4 | 6 | 6 | 3 | J Souza | 77 | 77 | |||||||||||||||||||
| WC | Gabriel Carvajal | 6 | 1 | 2 | WC | SL Hernández Ramírez | 2 | 1 | |||||||||||||||||||
| Evan Song | 1 | 4 | 3 | J Souza | 6 | 6 | |||||||||||||||||||||
| 3 | J Souza | 6 | 6 | 3 | J Souza | 6 | 6 | ||||||||||||||||||||
| 6 | R Quiroz | 6 | 6 | 2 | D King | 3 | 4 | ||||||||||||||||||||
| Q | J Olivares | 3 | 3 | 6 | R Quiroz | 77 | 6 | ||||||||||||||||||||
| I Endara | 3 | 1 | C Rodríguez | 65 | 3 | ||||||||||||||||||||||
| C Rodríguez | 6 | 6 | 6 | R Quiroz | 63 | 6 | 3 | ||||||||||||||||||||
| G Villanueva | 1 | 6 | 63 | 2 | D King | 77 | 4 | 6 | |||||||||||||||||||
| Juan Ignacio Galarza | 6 | 4 | 77 | JI Galarza | 2 | 5 | |||||||||||||||||||||
| LL |  A Mendoza | 2 | 0 | 2 | D King | 6 | 7 | ||||||||||||||||||||
| 2 | D King | 6 | 6 | ||||||||||||||||||||||||
David Ferrer is the defending champion. He successfully defended his title by defeating 8th seed Fernando Verdasco, 6–1, 6–2 in the final.
Rafael Nadal defeated David Nalbandian in the final, 6–2, 6–3 to win the singles tennis title at the 2013 Brasil Open.
Víctor Estrella Burgos was the defending champion, but lost to Gonzalo Escobar in the second round.
Marcelo Demoliner and Miguel Ángel Reyes-Varela were the defending champions but chose not to defend their title.
Dominic Thiem was the defending champion, but chose to compete in Rotterdam instead.
Facundo Bagnis was the defending champion but chose not to defend his title.
Alejandro Falla and Eduardo Struvay were the defending champions but chose not to defend their title.
Gerald Melzer was the defending champion but chose not to defend his title.
Marcelo Demoliner and João Souza were the defending champions but chose not to defend their title.
Facundo Bagnis was the defending champion but chose not to defend his title.
Tomáš Berdych was the two-time defending champion, but withdrew before the competition began.
Víctor Estrella Burgos was the three-time defending champion and the tournament's only champion to date, but lost in the second round to Gerald Melzer.
Pablo Cuevas was the three-time defending champion, but lost in the semifinals to Fabio Fognini.
Rafael Nadal defeated the defending champion Alexander Zverev in the final, 6–1, 1–6, 6–3 to win the men's singles tennis title at the 2018 Italian Open. It was his record-extending eighth Italian Open title and his record-extending 32nd Masters title overall. With the win, Nadal also regained the ATP No. 1 singles ranking.
Dominic Thiem was the defending champion, but lost to Diego Schwartzman in the semifinals.
Diego Schwartzman was the defending champion, but he retired in the first round against Pablo Cuevas.
David Marrero and Fernando Verdasco were the defending champions, but Verdasco chose not to defend the title and Marrero chose to compete in Marseille instead.
Fabio Fognini was the defending champion, but he chose to compete in Umag instead.
Nicolás Jarry was the defending champion but lost in the final to Emilio Gómez.
Defending champion Casper Ruud defeated Matteo Berrettini in the final, 4–6, 7–6(7–4), 6–2 to win the singles tennis title at the 2022 Swiss Open Gstaad.