# 2021 Abierto Mexicano Telcel – Singles

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.
Rafael Nadal was the defending champion, but chose not to defend his title.

## Seeds

* Stefanos Tsitsipas (final)
* Alexander Zverev (champion)
* Diego Schwartzman (first round)
* Milos Raonic (second round)
* Grigor Dimitrov (quarterfinals)
* Fabio Fognini (second round)
* Félix Auger-Aliassime (quarterfinals)
* Casper Ruud (quarterfinals, withdrew)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Stefanos Tsitsipas | 6 | 6 | | | | |
| Q | Lorenzo Musetti | 1 | 3 | | | | |
| Q | Lorenzo Musetti | 1 | 3 | 1 | Stefanos Tsitsipas | 4 | 6$^3$ |
| | | | | 2 | Alexander Zverev | 6 | 7$^7$ |
| | Dominik Koepfer | 4 | 6$^5$ | 2 | Alexander Zverev | 6 | 7$^7$ |
| 2 | Alexander Zverev | 6 | 7$^7$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Tsitsipas | 6 | 6 | | | | | | | | | | | | | | | |
| | B Paire | 3 | 1 | | 1 | S Tsitsipas | 6 | 6 | | | | | | | | | | |
| | J Isner | 6 | 6 | | | J Isner | 3 | 2 | | | | | | | | | | |
| | S Caruso | 4 | 3 | | | | | | | 1 | S Tsitsipas | 7 | 4 | 6 | | | | |
| | M Čilić | 5 | 2 | | | | | | | 7 | F Auger-Aliassime | 5 | 6 | 3 | | | | |
| WC | S Korda | 7 | 6 | | WC | S Korda | 3 | 4 | | | | | | | | | | |
| | T Sandgren | 3 | 6$^8$ | | 7 | F Auger-Aliassime | 6 | 6 | | | | | | | | | | |
| 7 | F Auger-Aliassime | 6 | 7$^{10}$ | | | | | | | | | | | | 1 | S Tsitsipas | 6 | 6 |
| 3 | D Schwartzman | 3 | 6 | 4 | | | | | | | | | | | Q | L Musetti | 1 | 3 |
| Q | L Musetti | 6 | 2 | 6 | Q | L Musetti | 2 | 6 | 7$^7$ | | | | | | | | | |
| Q | B Nakashima | 4 | 7$^7$ | 6$^5$ | | F Tiafoe | 6 | 3 | 6$^1$ | | | | | | | | | |
| | F Tiafoe | 6 | 6$^5$ | 7$^7$ | | | | | | Q | L Musetti | 6 | 7$^7$ | | | | | |
| | M Kecmanović | 6 | 6 | | | | | | | 5 | G Dimitrov | 4 | 6$^3$ | | | | | |
| | F López | 4 | 4 | | | M Kecmanović | 4 | 2 | | | | | | | | | | |
| | A Mannarino | 4 | 0$^r$ | | 5 | G Dimitrov | 6 | 6 | | | | | | | | | | |
| 5 | G Dimitrov | 6 | 3 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | F Fognini | 7 | 6 | | | | | | | | | | | | | | |
| | S Travaglia | 5 | 2 | | 6 | F Fognini | 4 | 3 | | | | | | | | | |
| | C Norrie | 6 | 6 | | | C Norrie | 6 | 6 | | | | | | | | | |
| Q | S Kozlov | 3 | 3 | | | | | | | | C Norrie | 5 | 4 | | | | |
| WC | G López Villaseñor | 4 | 2 | | | | | | | | D Koepfer | 7 | 6 | | | | |
| | D Koepfer | 6 | 6 | | | D Koepfer | 6 | 6 | | | | | | | | | |
| | T Paul | 6$^6$ | 4 | | 4 | M Raonic | 4 | 2 | | | | | | | | | |
| 4 | M Raonic | 7$^8$ | 6 | | | | | | | | | | | | D Koepfer | 4 | 6$^5$ |
| 8 | C Ruud | 6 | 6 | | | | | | | | | | | 2 | A Zverev | 6 | 7$^7$ |
| SE | DE Galán | 4 | 1 | | 8 | C Ruud | 4 | 6 | 7$^7$ | | | | | | | | |
| LL | D Kudla | 6$^4$ | 6 | 3 | Q | T Griekspoor | 6 | 3 | 6$^3$ | | | | | | | | |
| Q | T Griekspoor | 7$^7$ | 4 | 6 | | | | | | 8 | C Ruud | | | | | | |
| | S Johnson | 2 | 3 | | | | | | | 2 | A Zverev | w/o | | | | | |
| | L Đere | 6 | 6 | | | L Đere | 4 | 3 | | | | | | | | | |
| WC | C Alcaraz | 3 | 1 | | 2 | A Zverev | 6 | 6 | | | | | | | | | |
| 2 | A Zverev | 6 | 6 | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Salvatore Caruso (moved to main draw)
* João Sousa (second round)
* Lorenzo Musetti (qualified)
* Denis Kudla (qualifying competition, lucky loser)
* Thiago Seyboth Wild (second round)
* Damir Džumhur (second round, defaulted)
* Cedrik-Marcel Stebe (second round)
* Henri Laaksonen (first round)

### Qualifiers

* Brandon Nakashima
* Stefan Kozlov
* Lorenzo Musetti
* Tallon Griekspoor

### Lucky loser

* Denis Kudla

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Nicolas Mahut | 6 | 6 | | | | | | | | |
| | Luke Saville | 3 | 3 | | | | | | | | |
| | Luke Saville | 3 | 3 | | Alt | Nicolas Mahut | 3 | 0$^r$ | | | |
| | | | | | | Federico Gaio | 6 | 2 | | | |
| | Enrico Dalla Valle | 1 | 4 | | | Federico Gaio | 6 | 2 | | | |
| | Federico Gaio | 6 | 6 | | | | | | | | |
| | Federico Gaio | 6 | 6 | | | | | | Federico Gaio | 3 | 3 |
| | | | | | | | | | Brandon Nakashima | 6 | 6 |
| WC | Luis Patiño | 2 | 1 | | | | | | | | | Brandon Nakashima | 6 | 6 |
| | Brandon Nakashima | 6 | 6 | | | | | | | | |
| | Brandon Nakashima | 6 | 6 | | | Brandon Nakashima | 6 | 6 | | | |
| | | | | | 5 | Thiago Seyboth Wild | 3 | 3 | | | |
| | Danilo Petrović | 3 | 6 | 4 | 5 | Thiago Seyboth Wild | 3 | 3 | | | |
| 5 | Thiago Seyboth Wild | 6 | 4 | 6 | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | João Sousa | 7 | 5 | 7 | | | | | | | | |
| WC | Mischa Zverev | 5 | 7 | 5 | | | | | | | | |
| WC | Mischa Zverev | 5 | 7 | 5 | 2 | João Sousa | 2 | 6 | 3 | | | |
| | | | | | | Stefan Kozlov | 6 | 2 | 6 | | | |
| Alt | Jordi Arconada | 4 | 1 | | | Stefan Kozlov | 6 | 2 | 6 | | | |
| | Stefan Kozlov | 6 | 6 | | | | | | | | | |
| | Stefan Kozlov | 6 | 6 | | | | | | | Stefan Kozlov | 6 | 1 |
| | | | | | | | | | | Botic van de Zandschulp | 3 | 0$^r$ |
| | Alessandro Bega | 6$^3$ | 1 | | | | | | | | | | Botic van de Zandschulp | 3 | 0$^r$ |
| | Botic van de Zandschulp | 7$^7$ | 6 | | | | | | | | | |
| | Botic van de Zandschulp | 7$^7$ | 6 | | | Botic van de Zandschulp | 6 | | | | | |
| | | | | | 6 | Damir Džumhur | 5$^d$ | | | | | |
| | Collin Altamirano | 6 | 6$^1$ | 0 | 6 | Damir Džumhur | 5$^d$ | | | | | |
| 6 | Damir Džumhur | 4 | 7$^7$ | 6 | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Lorenzo Musetti | 3 | 6 | 6 | | | | | | | | | |
| WC | Alex Hernández | 6 | 1 | 0 | | | | | | | | | |
| WC | Alex Hernández | 6 | 1 | 0 | 3 | Lorenzo Musetti | 6 | 7 | | | | | |
| | | | | | WC | Agustín Velotti | 3 | 5 | | | | | |
| | Guido Iván Justo | 0 | 1 | | WC | Agustín Velotti | 3 | 5 | | | | | |
| WC | Agustín Velotti | 6 | 6 | | | | | | | | | | |
| WC | Agustín Velotti | 6 | 6 | | | | | | | 3 | Lorenzo Musetti | 6 | 6 |
| | | | | | | | | | | | Frederico Ferreira Silva | 4 | 2 |
| | Jason Jung | 5 | 2 | | | | | | | | | | | Frederico Ferreira Silva | 4 | 2 |
| | Frederico Ferreira Silva | 7 | 6 | | | | | | | | | | |
| | Frederico Ferreira Silva | 7 | 6 | | | Frederico Ferreira Silva | 6 | 3 | 6 | | | | |
| | | | | | 7 | Cedrik-Marcel Stebe | 4 | 6 | 3 | | | | |
| | Paolo Lorenzi | 2 | 0 | | 7 | Cedrik-Marcel Stebe | 4 | 6 | 3 | | | | |
| 7 | Cedrik-Marcel Stebe | 6 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Denis Kudla | 6 | 6 | | | | | | | | | | |
| | John-Patrick Smith | 4 | 4 | | | | | | | | | | |
| | John-Patrick Smith | 4 | 4 | | 4 | Denis Kudla | 6 | 6 | | | | | |
| | | | | | | Alejandro González | 3 | 2 | | | | | |
| | Alejandro González | 2 | 7$^7$ | 3 | | Alejandro González | 3 | 2 | | | | | |
| | Raymond Sarmiento | 6 | 6$^3$ | 0$^r$ | | | | | | | | | |
| | Raymond Sarmiento | 6 | 6$^3$ | 0$^r$ | | | | | | 4 | Denis Kudla | 3 | 6$^6$ |
| | | | | | | | | | | | Tallon Griekspoor | 6 | 7$^8$ |
| | Tallon Griekspoor | 7 | 4 | 6 | | | | | | | | | | Tallon Griekspoor | 6 | 7$^8$ |
| | Hernán Casanova | 5 | 6 | 2 | | | | | | | | | |
| | Hernán Casanova | 5 | 6 | 2 | | Tallon Griekspoor | 6 | 6$^5$ | 6 | | | | |
| | | | | | | Thanasi Kokkinakis | 4 | 7$^7$ | 3 | | | | |
| | Thanasi Kokkinakis | 6 | 6 | | | Thanasi Kokkinakis | 4 | 7$^7$ | 3 | | | | |
| 8 | Henri Laaksonen | 1 | 3 | | | | | | | | | | |