# 2023 Rafa Nadal Open – Singles

Luca Nardi was the defending champion but chose not to defend his title.
Hamad Medjedovic won the title after defeating Harold Mayot 6–2, 4–6, 6–2 in the final.

## Seeds

* Tomás Barrios Vera (first round)
* Hamad Medjedovic (champion)
* Antoine Escoffier (quarterfinals)
* Elias Ymer (first round)
* Mattia Bellucci (quarterfinals)
* Alexander Ritschard (first round)
* Harold Mayot (final)
* Federico Gaio (first round)

## 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 | Final |
| 7 | Harold Mayot | 7 | 7 | | | | | |
| Q | Damir Džumhur | 5 | 5 | | | | | |
| Q | Damir Džumhur | 5 | 5 | 7 | Harold Mayot | 2 | 6 | 2 |
| | | | | 2 | Hamad Medjedovic | 6 | 4 | 6 |
| Alt | Daniel Rincón | 3 | 2 | 2 | Hamad Medjedovic | 6 | 4 | 6 |
| 2 | Hamad Medjedovic | 6 | 6 | | | | | |

### 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 | T Barrios Vera | 1 | 6 | 2 | | | | | | | | | | | | | | |
| Alt | Jules Marie | 6 | 4 | 6 | Alt | J Marie | 6 | 0 | 1 | | | | | | | | | |
| WC | C Wong | 3 | 6 | 4 | Alt | N Hardt | 4 | 6 | 6 | | | | | | | | | |
| Alt | N Hardt | 6 | 3 | 6 | | | | | | Alt | N Hardt | 6 | 5 | 2 | | | | |
| Alt | J Sousa | 6 | 7$^7$ | | | | | | | 7 | H Mayot | 2 | 7 | 6 | | | | |
| Alt | K Ivanovski | 4 | 6$^5$ | | Alt | J Sousa | 3 | 6 | 6$^5$ | | | | | | | | | |
| Q | D Cukierman | 1 | 6$^1$ | | 7 | H Mayot | 6 | 3 | 7$^7$ | | | | | | | | | |
| 7 | H Mayot | 6 | 7$^7$ | | | | | | | | | | | | 7 | H Mayot | 7 | 7 |
| 4 | E Ymer | 4 | 3 | | | | | | | | | | | | Q | D Džumhur | 5 | 5 |
| | A Fery | 6 | 6 | | | A Fery | 3 | 3 | | | | | | | | | | |
| Q | M Janvier | 6$^4$ | 6 | 4 | Alt | M Lajal | 6 | 6 | | | | | | | | | | |
| Alt | M Lajal | 7$^7$ | 2 | 6 | | | | | | Alt | M Lajal | 3 | 3 | | | | | |
| Q | P Gojowczyk | 6 | 4 | 6$^9$ | | | | | | Q | D Džumhur | 6 | 6 | | | | | |
| WC | M Landaluce | 3 | 6 | 7$^{11}$ | WC | M Landaluce | 1 | 5 | | | | | | | | | | |
| Q | D Džumhur | 3 | 6 | 7$^7$ | Q | D Džumhur | 6 | 7 | | | | | | | | | | |
| 6 | A Ritschard | 6 | 3 | 6$^4$ | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | F Gaio | 4 | 6 | 5 | | | | | | | | | | | | | | |
| Alt | D Rincón | 6 | 4 | 7 | Alt | D Rincón | 7$^7$ | 6 | | | | | | | | | | |
| Alt | M Trungelliti | 6 | 6 | | Alt | M Trungelliti | 6$^2$ | 1 | | | | | | | | | | |
| | J Monday | 4 | 4 | | | | | | | Alt | D Rincón | 3 | 6 | 7 | | | | |
| Alt | M Neuchrist | 0 | 3 | | | | | | | 3 | A Escoffier | 6 | 3 | 5 | | | | |
| Alt | A Moro Cañas | 6 | 6 | | Alt | A Moro Cañas | 6 | 4 | 0 | | | | | | | | | |
| Q | Adrià Soriano Barrera | 2 | 6$^8$ | | 3 | A Escoffier | 2 | 6 | 6 | | | | | | | | | |
| 3 | A Escoffier | 6 | 7$^{10}$ | | | | | | | | | | | | Alt | D Rincón | 3 | 2 |
| 5 | M Bellucci | 6 | 6 | | | | | | | | | | | | 2 | H Medjedovic | 6 | 6 |
| WC | Y Demin | 2 | 2 | | 5 | M Bellucci | 6 | 7$^7$ | | | | | | | | | | |
| Alt | F Ferreira Silva | 6 | 6 | | Alt | F Ferreira Silva | 4 | 6$^2$ | | | | | | | | | | |
| Q | G Elias | 3 | 1 | | | | | | | 5 | M Bellucci | 5 | 6$^3$ | | | | | |
| | L Lokoli | 6 | 7 | | | | | | | 2 | H Medjedovic | 7 | 7$^7$ | | | | | |
| Alt | A Shelbayh | 4 | 5 | | | L Lokoli | 7 | 3 | 2 | | | | | | | | | |
| Alt | N Mejía | 1 | 4 | | 2 | H Medjedovic | 5 | 6 | 6 | | | | | | | | | |
| 2 | H Medjedovic | 6 | 6 | | | | | | | | | | | | | | | |