| Singles | |
|---|---|
| 2020 Sánchez-Casal Cup | |
| Champion |  Carlos Alcaraz |
| Runner-up |  Damir Džumhur |
| Score | 4–6, 6–2, 6–1 |
Salvatore Caruso was the defending champion [1] and chose not to defend his title.
Carlos Alcaraz won the title after defeating Damir Džumhur 4–6, 6–2, 6–1 in the final.
Jaume Munar (quarterfinals)
Christopher O'Connell (second round, retired)
Pedro Sousa (first round) Damir Džumhur (final)
Facundo Bagnis (quarterfinals)
Bradley Klahn (withdrew) Bernabé Zapata Miralles (first round) Carlos Taberner (first round)| Semifinals | Final | ||||||||||||
| Q | Andrea Collarini | 3 | 5 | ||||||||||
| Carlos Alcaraz | 6 | 7 | |||||||||||
| Carlos Alcaraz | 4 | 6 | 6 | ||||||||||
| 4 | Damir Džumhur | 6 | 2 | 1 | |||||||||
| 4 | Damir Džumhur | 6 | 6 | ||||||||||
| WC | Carlos Gimeno Valero | 0 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | J Munar | 7 | 6 | ||||||||||||||||||||||||
 B van de Zandschulp | 5 | 1 | 1 | J Munar | 3 | 7 | 6 | ||||||||||||||||||||
| Q |  MT Barrios Vera | 77 | 6 | Q | MT Barrios Vera | 6 | 5 | 1 | |||||||||||||||||||
| E Escobedo | 62 | 3 | 1 | J Munar | 5 | 4 | |||||||||||||||||||||
| Q | A Collarini | 77 | 7 | Q | A Collarini | 7 | 6 | ||||||||||||||||||||
 E Gómez | 65 | 5 | Q | A Collarini | 7 | 7 | |||||||||||||||||||||
| Q | B Nakashima | 6 | 6 | Q | B Nakashima | 5 | 5 | ||||||||||||||||||||
| LL | R Olivo | 2 | 3 | Q | A Collarini | 3 | 5 | ||||||||||||||||||||
| 3 | P Sousa | 3 | 3 | C Alcaraz | 6 | 7 | |||||||||||||||||||||
| C Alcaraz | 6 | 6 | C Alcaraz | 6 | 4 | 6 | |||||||||||||||||||||
| A Vukic | 6 | 3 | 65 | M Vilella Martínez | 3 | 6 | 2 | ||||||||||||||||||||
| M Vilella Martínez | 2 | 6 | 77 | C Alcaraz | 7 | 4 | 6 | ||||||||||||||||||||
| SE | F Cerúndolo | 1 | 4 |  F Horanský | 5 | 6 | 4 | ||||||||||||||||||||
 L Giustino | 6 | 6 | L Giustino | 3 | 6 | 2 | |||||||||||||||||||||
| F Horanský | 7 | 2 | 6 | F Horanský | 6 | 3 | 6 | ||||||||||||||||||||
| 7 | B Zapata Miralles | 5 | 6 | 2 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | C Taberner | 77 | 2 | 1 | |||||||||||||||||||||||
| LL |  M Janvier | 65 | 6 | 6 | LL | M Janvier | 6 | 3 | 6 | ||||||||||||||||||
| LL |  P Polansky | 2 | 4 | A Giannessi | 4 | 6 | 2 | ||||||||||||||||||||
| A Giannessi | 6 | 6 | LL | M Janvier | 6 | 1 | 3 | ||||||||||||||||||||
 K Coppejans | 6 | 7 | 4 | D Džumhur | 3 | 6 | 6 | ||||||||||||||||||||
| WC |  R Ramanathan | 2 | 5 | K Coppejans | 2 | 3 | |||||||||||||||||||||
| PR |  M Marterer | 2 | 0 | 4 | D Džumhur | 6 | 6 | ||||||||||||||||||||
| 4 | D Džumhur | 6 | 6 | 4 | D Džumhur | 6 | 6 | ||||||||||||||||||||
| 5 | F Bagnis | 77 | 6 | WC | C Gimeno Valero | 0 | 3 | ||||||||||||||||||||
| J Domingues | 65 | 4 | 5 | F Bagnis | 7 | 6 | |||||||||||||||||||||
 D Popko | 7 | 6 | D Popko | 5 | 2 | ||||||||||||||||||||||
| WC | N Kuhn | 5 | 4 | 5 | F Bagnis | 0 | 2 | ||||||||||||||||||||
| WC | C Gimeno Valero | 6 | 6 | WC | C Gimeno Valero | 6 | 6 | ||||||||||||||||||||
| Q | E Couacaud | 3 | 2 | WC | C Gimeno Valero | 65 | 2 | ||||||||||||||||||||
| A Bolt | 1 | 2 | 2 | C O'Connell | 77 | 5r | |||||||||||||||||||||
| 2 | C O'Connell | 6 | 6 | ||||||||||||||||||||||||
Alexandr Dolgopolov was the defending champion but lost in the semifinals to Marin Čilić, who won the title by beating Marcel Granollers 6–4, 6–2 in the final.
Damir Džumhur was the defending champion but lost in the semifinals to Jan-Lennard Struff.
Defending champion Rafael Nadal defeated Albert Ramos Viñolas in the final, 6–1, 6–3 to win the singles tennis title at the 2017 Monte-Carlo Masters. It was his record-extending 10th Monte Carlo Masters title, becoming the first man in the Open Era to win 10 singles titles at the same tournament. Nadal also claimed his Open Era record 50th clay court title.
Carlos Berlocq was the defending champion but chose not to defend his title.
Martin Kližan was the defending champion, but withdrew before the tournament began.
Alexander Zverev was the defending champion, but chose not to participate this year.
Damir Džumhur was the defending champion but chose not to defend his title.
Yūichi Sugita was the defending champion but lost in the second round to Pierre-Hugues Herbert.
Leonardo Mayer was the defending champion, but lost in the final to Nikoloz Basilashvili, 4–6, 6–0, 5–7. This was Basilashvili's first ATP World Tour title, as well as the first ATP title won by a Georgian player since Alexander Metreveli.
Damir Džumhur was the defending champion, but retired from his quarterfinal match against Jordan Thompson.
Ulises Blanch was the defending champion but chose not to defend his title.
Dominic Thiem was the defending champion, but chose to compete in the Laver Cup instead.
Karen Khachanov was the defending champion, but lost in the quarterfinals to Andreas Seppi.
Alexander Bublik was the defending champion but chose not to defend his title.
Gaël Monfils was the defending champion, but chose not to defend his title.
Alexander Zverev defeated top seed Stefanos Tsitsipas in the final, 6–4, 7–6(7–3) to win the men's singles tennis title at the 2021 Mexican Open.
Andrey Rublev was the defending champion, but chose to not defend his title as he and other Russian Olympic athletes were sent to Yuzhno-Sakhalinsk for training sessions.
Steve Johnson was the defending champion but chose not to compete.
Andrey Rublev defeated Félix Auger-Aliassime in the final, 7–5, 7–6(7–4) to win the singles title at the 2022 Open 13 Provence.
Jack Draper was the defending champion and successfully defended his title, defeating Alexander Ritschard 3–6, 6–3, 7–6(10–8) in the final.