# 2023 Teréga Open Pau–Pyrénées – Singles

Quentin Halys was the defending champion but chose not to defend his title.
Luca Van Assche won the title after defeating Ugo Humbert 7–6$^{(7–5)}$, 4–6, 7–6$^{(8–6)}$ in the final.

## Seeds

* Arthur Rinderknech (semifinals)
* Ugo Humbert (final)
* Gijs Brouwer (second round)
* Arthur Fils (first round)
* Raúl Brancaccio (first round)
* Giulio Zeppieri (withdrew)
* Zizou Bergs (second round)
* Jurij Rodionov (quarterfinals)
* Jan-Lennard Struff (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 | Final |
| 1 | Arthur Rinderknech | 1 | 3 | | | | | |
| | Luca Van Assche | 6 | 6 | | | | | |
| | Luca Van Assche | 6 | 6 | | Luca Van Assche | 7$^7$ | 4 | 7$^8$ |
| | | | | 2 | Ugo Humbert | 6$^5$ | 6 | 6$^6$ |
| Alt | Kaichi Uchida | 1 | 2 | 2 | Ugo Humbert | 6$^5$ | 6 | 6$^6$ |
| 2 | Ugo Humbert | 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 | A Rinderknech | 7 | 7$^9$ | | | | | | | | | | | | | | | |
| Q | U Blanchet | 5 | 6$^7$ | | 1 | A Rinderknech | 6 | 7$^7$ | | | | | | | | | | |
| | F Marozsán | 6$^7$ | 4 | | Q | V Royer | 2 | 6$^0$ | | | | | | | | | | |
| Q | V Royer | 7$^9$ | 6 | | | | | | | 1 | A Rinderknech | 6 | 6 | | | | | |
| LL | D Added | 7$^7$ | 6 | | | | | | | 9 | J-L Struff | 4 | 4 | | | | | |
| WC | G Debru | 6$^3$ | 3 | | LL | D Added | 1 | 3 | | | | | | | | | | |
| | M Guinard | 0 | 2 | | 9 | J-L Struff | 6 | 6 | | | | | | | | | | |
| 9 | J-L Struff | 6 | 6 | | | | | | | | | | | | 1 | A Rinderknech | 1 | 3 |
| 3 | G Brouwer | 6 | 6 | | | | | | | | | | | | | L Van Assche | 6 | 6 |
| | Em Nava | 3 | 1 | | 3 | G Brouwer | 6 | 3 | 6$^1$ | | | | | | | | | |
| Alt | L Tu | 4 | 6 | 1 | | L Van Assche | 3 | 6 | 7$^7$ | | | | | | | | | |
| | L Van Assche | 6 | 3 | 6 | | | | | | | L Van Assche | 4 | 6 | 6 | | | | |
| | L Klein | 6 | 3 | 6$^4$ | | | | | | 8 | J Rodionov | 6 | 3 | 3 | | | | |
| Q | J De Loore | 3 | 6 | 7$^7$ | Q | J De Loore | 6 | 1 | 6$^6$ | | | | | | | | | |
| WC | M Lajal | 2 | 6 | 3 | 8 | J Rodionov | 4 | 6 | 7$^8$ | | | | | | | | | |
| 8 | J Rodionov | 6 | 3 | 6 | | | | | | | | | | | | | | |

### 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 |
| 5 | R Brancaccio | 4 | 2 | | | | | | | | | | | | | | | |
| | L Lokoli | 6 | 6 | | | L Lokoli | 4 | 7 | 6 | | | | | | | | | |
| | A Ritschard | 7$^7$ | 7$^8$ | | | A Ritschard | 6 | 5 | 3 | | | | | | | | | |
| LL | L Wessels | 6$^4$ | 6$^6$ | | | | | | | | L Lokoli | 4 | 6 | 3 | | | | |
| Q | Y Bu | 5 | 5 | | | | | | | Alt | K Uchida | 6 | 3 | 6 | | | | |
| | R Berankis | 7 | 7 | | | R Berankis | 2 | 5 | | | | | | | | | | |
| Alt | K Uchida | 7$^7$ | 6 | | Alt | K Uchida | 6 | 7 | | | | | | | | | | |
| 4 | A Fils | 6$^5$ | 1 | | | | | | | | | | | | Alt | K Uchida | 1 | 2 |
| 7 | Z Bergs | 4 | 6 | 6 | | | | | | | | | | | 2 | U Humbert | 6 | 6 |
| | Z Piros | 6 | 2 | 3 | 7 | Z Bergs | 7$^7$ | 4 | 4 | | | | | | | | | |
| Q | E Donskoy | 4 | 2 | | | A Bellier | 6$^3$ | 6 | 6 | | | | | | | | | |
| | A Bellier | 6 | 6 | | | | | | | | A Bellier | 1 | 4 | | | | | |
| Q | M Bourgue | 6 | 7$^8$ | | | | | | | 2 | U Humbert | 6 | 6 | | | | | |
| | J Sels | 1 | 6$^6$ | | Q | M Bourgue | 4 | 4 | | | | | | | | | | |
| WC | C Hemery | 3 | 7$^7$ | 4 | 2 | U Humbert | 6 | 6 | | | | | | | | | | |
| 2 | U Humbert | 6 | 6$^3$ | 6 | | | | | | | | | | | | | | |