# 2023 Los Cabos Open – Singles

Stefanos Tsitsipas defeated Alex de Minaur in the final, 6–3, 6–4 to win the singles title at the 2023 Los Cabos Open. It was his tenth ATP Tour singles title.
Daniil Medvedev was the reigning champion, but chose not to defend his title.
This marked the first time in the Open Era that five Chilean players were in the main draw of an ATP Tour tournament held outside of Chile.

## Seeds

The top four seeds received a bye into the second round.
* Stefanos Tsitsipas (champion)
* Cameron Norrie (second round)
* Tommy Paul (quarterfinals)
* Borna Ćorić (semifinals)
* Alex de Minaur (final)
* Nicolás Jarry (quarterfinals)
* Dominik Koepfer (semifinals)
* Ilya Ivashka (quarterfinals)

## 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 | Semifinals | Final | Final | Final | Final |
| 1 | Stefanos Tsitsipas | 6 | 6 | | | | | |
| 4 | Borna Ćorić | 3 | 2 | | | | | |
| 4 | Borna Ćorić | 3 | 2 | | 1 | Stefanos Tsitsipas | 6 | 6 |
| | | | | | 5 | Alex de Minaur | 3 | 4 |
| 5 | Alex de Minaur | 6 | 6$^5$ | 6 | 5 | Alex de Minaur | 3 | 4 |
| 7 | Dominik Koepfer | 2 | 7$^7$ | 1 | | | | |

### 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 | | | | | | | | | | |
| | R Hijikata | 2 | 6$^4$ | | | J Isner | 2 | 4 | | | | | | | | | | |
| | J Isner | 6 | 7$^7$ | | | | | | | 1 | S Tsitsipas | 6$^6$ | 7$^7$ | 6 | | | | |
| | G Diallo | 2 | 6 | 2 | | | | | | 6/WC | N Jarry | 7$^8$ | 6$^4$ | 2 | | | | |
| | G Brouwer | 6 | 4 | 6 | | G Brouwer | 6$^5$ | 6 | 4 | | | | | | | | | |
| WC | R Pacheco Méndez | 3 | 1 | | 6/WC | N Jarry | 7$^7$ | 4 | 6 | | | | | | | | | |
| 6/WC | N Jarry | 6 | 6 | | | | | | | | | | | | 1 | S Tsitsipas | 6 | 6 |
| | | | | | | | | | | | | | | | 4 | B Ćorić | 3 | 2 |
| | | | | | 4 | B Ćorić | 6 | 6 | | | | | | | | | | |
| LL | J Jung | 3 | 7$^7$ | 6 | LL | J Jung | 1 | 2 | | | | | | | | | | |
| WC | E Escobedo | 6 | 6$^5$ | 2 | | | | | | 4 | B Ćorić | 6 | 6 | | | | | |
| | B Gojo | 7 | 4 | 6 | | | | | | 8 | I Ivashka | 3 | 4 | | | | | |
| | C Garín | 5 | 6 | 3 | | B Gojo | 7 | 2 | 4 | | | | | | | | | |
| Q | B Zhukayev | 6 | 3 | 6$^5$ | 8 | I Ivashka | 5 | 6 | 6 | | | | | | | | | |
| 8 | I Ivashka | 3 | 6 | 7$^7$ | | | | | | | | | | | | | | |

### Bottom half

| 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 | Semifinals |
| 5 | A de Minaur | 6 | 6 | | | | | | | | | | | | | | | |
| Q | S Mansouri | 4 | 4 | 5 | A de Minaur | 6 | 6 | | | | | | | | | | | |
| Q | G Lama | 6$^3$ | 2 | | TA Tirante | 2 | 1 | | | | | | | | | | | |
| | TA Tirante | 7$^7$ | 6 | | | | | | 5 | A de Minaur | 6 | 3 | 6 | | | | | |
| | A Tabilo | 2 | 4 | | | | | | 3 | T Paul | 4 | 6 | 3 | | | | | |
| | F Meligeni Alves | 6 | 6 | | F Meligeni Alves | 5 | 6$^7$ | | | | | | | | | | | |
| | | | | 3 | T Paul | 7 | 7$^9$ | | | | | | | | | | | |
| | | | | | | | | | | | | | | 5 | A de Minaur | 6 | 6$^5$ | 6 |
| 7 | D Koepfer | 6 | 6 | | | | | | | | | | | 7 | D Koepfer | 2 | 7$^7$ | 1 |
| | T Barrios Vera | 4 | 3 | 7 | D Koepfer | 6 | 6 | | | | | | | | | | | |
| | O Virtanen | 3 | 0 | | J Duckworth | 2 | 2 | | | | | | | | | | | |
| | J Duckworth | 6 | 6 | | | | | | 7 | D Koepfer | 6 | 7 | | | | | | |
| | A Kovacevic | 6 | 7 | | | | | | | A Kovacevic | 4 | 5 | | | | | | |
| Q | O Kumar | 2 | 5 | | A Kovacevic | 5 | 7$^9$ | 6 | | | | | | | | | | |
| | | | | 2 | C Norrie | 7 | 6$^7$ | 4 | | | | | | | | | | |

## Qualifying
### Seeds

* Kaichi Uchida (first round)
* Renzo Olivo (first round, retired)
* Abdullah Shelbayh (qualifying competition)
* Beibit Zhukayev (qualified)
* Patrick Kypson (first round)
* Jason Jung (qualifying competition, lucky loser)
* Skander Mansouri (qualified)
* Eduardo Ribeiro (first round)

### Qualifiers

* Gonzalo Lama
* Omni Kumar
* Skander Mansouri
* Beibit Zhukayev

### Lucky loser

* Jason Jung

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Kaichi Uchida | 4 | 2 | | | | | |
| | Gonzalo Lama | 6 | 6 | | | | | |
| | Gonzalo Lama | 6 | 6 | | Gonzalo Lama | 7 | 5 | 6 |
| | | | | WC | Luis Carlos Álvarez | 5 | 7 | 4 |
| WC | Luis Carlos Álvarez | 6 | 6 | WC | Luis Carlos Álvarez | 5 | 7 | 4 |
| 8 | Eduardo Ribeiro | 4 | 4 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Renzo Olivo | 1 | 1$^r$ | | | | | |
| | Omni Kumar | 6 | 4 | | | | | |
| | Omni Kumar | 6 | 4 | | Omni Kumar | 6 | 4 | 7$^7$ |
| | | | | 6 | Jason Jung | 4 | 6 | 6$^3$ |
| | Alexandr Cozbinov | 0 | 1 | 6 | Jason Jung | 4 | 6 | 6$^3$ |
| 6 | Jason Jung | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Abdullah Shelbayh | 6 | 6 | | | | |
| | Nick Chappell | 3 | 2 | | | | |
| | Nick Chappell | 3 | 2 | 3 | Abdullah Shelbayh | 6$^3$ | 3 |
| | | | | 7 | Skander Mansouri | 7$^7$ | 6 |
| | Jorge Panta | 4 | 2 | 7 | Skander Mansouri | 7$^7$ | 6 |
| 7 | Skander Mansouri | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Beibit Zhukayev | 7$^{11}$ | 6 | | | | | |
| WC | Luca Lemaitre | 6$^9$ | 4 | | | | | |
| WC | Luca Lemaitre | 6$^9$ | 4 | | 4 | Beibit Zhukayev | 6 | 6 |
| | | | | | | Keegan Smith | 3 | 1 |
| | Keegan Smith | 6 | 6$^4$ | 6 | | Keegan Smith | 3 | 1 |
| 5 | Patrick Kypson | 3 | 7$^7$ | 2 | | | | |