# 2023 Morelos Open – Singles

Jay Clarke was the defending champion but lost in the second round to Térence Atmane.
Thiago Agustín Tirante won the title after defeating James Duckworth 7–5, 6–0 in the final.

## Seeds

* James Duckworth (final)
* Antoine Bellier (first round)
* Thiago Agustín Tirante (champion)
* Maximilian Neuchrist (second round)
* Antoine Escoffier (quarterfinals)
* Renzo Olivo (first round)
* Alexis Galarneau (first round)
* Juan Pablo Ficovich (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 | Final | Final | Final | Final |
| 1 | James Duckworth | 6 | 7 | | | | |
| Q | Christian Langmo | 3 | 5 | | | | |
| Q | Christian Langmo | 3 | 5 | 1 | James Duckworth | 5 | 0 |
| | | | | 3 | Thiago Agustín Tirante | 7 | 6 |
| 3 | Thiago Agustín Tirante | 6 | 6 | 3 | Thiago Agustín Tirante | 7 | 6 |
| Q | Mark Lajal | 2 | 3 | | | | |

### 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 | J Duckworth | 6 | 6 | | | | | | | | | | | | | | | |
| WC | B Tomic | 2 | 2 | | 1 | J Duckworth | 3 | 7$^7$ | 6 | | | | | | | | | |
| | N Mejía | 6$^4$ | 6 | 3 | | O Crawford | 6 | 6$^3$ | 2 | | | | | | | | | |
| | O Crawford | 7$^7$ | 3 | 6 | | | | | | 1 | J Duckworth | 2 | 7$^7$ | 7 | | | | |
| | V Sachko | 6 | 6 | | | | | | | | V Sachko | 6 | 6$^0$ | 5 | | | | |
| Q | MF Descotte | 2 | 1 | | | V Sachko | 6 | 6 | | | | | | | | | | |
| | Dominik Palán | 6 | 1 | 6 | | D Palán | 3 | 2 | | | | | | | | | | |
| 6 | R Olivo | 4 | 6 | 3 | | | | | | | | | | | 1 | J Duckworth | 6 | 7 |
| 4 | M Neuchrist | 7 | 6 | | | | | | | | | | | | Q | C Langmo | 3 | 5 |
| Q | L Saville | 5 | 4 | | 4 | M Neuchrist | 6 | 6$^5$ | 3 | | | | | | | | | |
| Q | Christian Langmo | 7$^{11}$ | 6 | | Q | C Langmo | 3 | 7$^7$ | 6 | | | | | | | | | |
| | JL Reis da Silva | 6$^9$ | 2 | | | | | | | Q | C Langmo | 6 | 5 | 7 | | | | |
| | Y Bu | 6 | 6 | | | | | | | 5 | A Escoffier | 4 | 7 | 5 | | | | |
| | A Dougaz | 3 | 3 | | | Y Bu | 6 | 5 | 3 | | | | | | | | | |
| Alt | B Zhukayev | 4 | 4 | | 5 | A Escoffier | 4 | 7 | 6 | | | | | | | | | |
| 5 | A Escoffier | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | JP Ficovich | 7$^7$ | 6$^4$ | 6 | | | | | | | | | | | | |
| Q | M Copil | 6$^3$ | 7$^7$ | 3 | 8 | JP Ficovich | 7 | 6 | | | | | | | | |
| | A Walton | 4 | 6 | 1 | WC | R Pacheco Méndez | 5 | 1 | | | | | | | | |
| WC | R Pacheco Méndez | 6 | 3 | 6 | | | | | 8 | JP Ficovich | 3 | 2 | | | | |
| | Elmar Ejupovic | 4 | 6 | 3 | | | | | 3 | TA Tirante | 6 | 6 | | | | |
| | E Zhu | 6 | 4 | 6 | | E Zhu | 2 | 6$^3$ | | | | | | | | |
| | S Mansouri | 0 | 3 | | 3 | TA Tirante | 6 | 7$^7$ | | | | | | | | |
| 3 | TA Tirante | 6 | 6 | | | | | | | | | | 3 | TA Tirante | 6 | 6 |
| 7 | A Galarneau | 6$^1$ | 6$^5$ | | | | | | | | | | Q | M Lajal | 2 | 3 |
| Q | M Lajal | 7$^7$ | 7$^7$ | | Q | M Lajal | 7 | 6 | | | | | | | | |
| Q | N Nakagawa | 6$^1$ | 6 | 2 | | D Yevseyev | 5 | 1 | | | | | | | | |
| | D Yevseyev | 7$^7$ | 4 | 6 | | | | | Q | M Lajal | 6 | 7 | | | | |
| | T Atmane | 5 | 6 | 7 | | | | | | T Atmane | 3 | 5 | | | | |
| WC | AD Vallejo | 7 | 4 | 5 | | T Atmane | 7$^7$ | 6 | | | | | | | | |
| | J Clarke | 7$^7$ | 6 | | | J Clarke | 6$^4$ | 4 | | | | | | | | |
| 2 | A Bellier | 6$^4$ | 4 | | | | | | | | | | | | | |