# 2024 Open Saint-Brieuc – Singles

Ričardas Berankis was the defending champion but lost in the first round to Lucas Pouille.
Benjamin Bonzi won the title after defeating Pouille 6–2, 6–3 in the final.

## Seeds

* Lucas Pouille (final)
* Grégoire Barrère (semifinals)
* Titouan Droguet (first round)
* Benjamin Bonzi (champion)
* Valentin Royer (first round)
* Paul Jubb (quarterfinals)
* Matteo Martineau (first round)
* Antoine Escoffier (second 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 |
| 1 | Lucas Pouille | 7$^{12}$ | 6 | | | | |
| | Antoine Cornut-Chauvinc | 6$^{10}$ | 4 | | | | |
| | Antoine Cornut-Chauvinc | 6$^{10}$ | 4 | 1 | Lucas Pouille | 2 | 3 |
| | | | | 4 | Benjamin Bonzi | 6 | 6 |
| 4 | Benjamin Bonzi | 6 | 6 | 4 | Benjamin Bonzi | 6 | 6 |
| 2 | Grégoire Barrère | 4 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Pouille | 2 | 6 | 6 | | | | | | | | | | | | | |
| Alt | R Berankis | 6 | 1 | 2 | 1 | L Pouille | 6 | 6 | | | | | | | | | |
| | R Bertrand | 6 | 2 | 6 | | R Bertrand | 2 | 4 | | | | | | | | | |
| | A Shelbayh | 4 | 6 | 2 | | | | | | 1 | L Pouille | 6 | 7$^7$ | | | | |
| Q | MH Rehberg | 6 | 6 | | | | | | | Q | MH Rehberg | 1 | 6$^2$ | | | | |
| WC | S Gueymard Wayenburg | 4 | 4 | | Q | MH Rehberg | 6 | 6 | | | | | | | | | |
| | B Zapata Miralles | 6 | 3 | 6 | | B Zapata Miralles | 4 | 3 | | | | | | | | | |
| 5 | V Royer | 1 | 6 | 2 | | | | | | | | | | 1 | L Pouille | 7$^{12}$ | 6 |
| 3 | T Droguet | 2 | 2 | | | | | | | | | | | | A Cornut-Chauvinc | 6$^{10}$ | 4 |
| Q | Lucas Poullain | 6 | 6 | | Q | L Poullain | 2 | 5 | | | | | | | | | |
| | Antoine Cornut-Chauvinc | 7 | 6 | | | A Cornut-Chauvinc | 6 | 7 | | | | | | | | | |
| WC | M Bourgue | 5 | 4 | | | | | | | | A Cornut-Chauvinc | 7 | 7$^7$ | | | | |
| Q | K Edmund | 6 | 6 | | | | | | | Q | K Edmund | 5 | 6$^2$ | | | | |
| Q | J Paul | 3 | 3 | | Q | K Edmund | 4 | 6 | 6 | | | | | | | | |
| | E Gerasimov | 2 | 0 | | 8 | A Escoffier | 6 | 3 | 2 | | | | | | | | |
| 8 | 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 |
| 7 | M Martineau | 4 | 6$^{11}$ | | | | | | | | | | | | | |
| | C Hemery | 6 | 7$^{13}$ | | | C Hemery | 6 | 6 | | | | | | | | |
| | C Chidekh | 4 | 6 | 4 | Q | J Veselý | 3 | 4 | | | | | | | | |
| Q | J Veselý | 6 | 3 | 6 | | | | | | C Hemery | 3 | 4 | | | | |
| | H Naw | 6 | 6 | | | | | | 4 | B Bonzi | 6 | 6 | | | | |
| Q | M Brunold | 4 | 4 | | | H Naw | 1 | 4 | | | | | | | | |
| | D Prižmić | 1 | 4 | | 4 | B Bonzi | 6 | 6 | | | | | | | | |
| 4 | B Bonzi | 6 | 6 | | | | | | | | | | 4 | B Bonzi | 6 | 6 |
| 6 | P Jubb | 6 | 6 | | | | | | | | | | 2 | G Barrère | 4 | 3 |
| LL | M Chazal | 2 | 3 | | 6 | P Jubb | 6 | 7$^7$ | | | | | | | | |
| | G Debru | 6 | 6 | | | G Debru | 2 | 6$^5$ | | | | | | | | |
| Alt | C Tabur | 4 | 4 | | | | | | 6 | P Jubb | 4 | 6$^4$ | | | | |
| WC | Moïse Kouamé | 4 | 0 | | | | | | 2 | G Barrère | 6 | 7$^7$ | | | | |
| | Jules Marie | 6 | 6 | | | J Marie | 4 | 5 | | | | | | | | |
| | G Blancaneaux | 2 | 5 | | 2 | G Barrère | 6 | 7 | | | | | | | | |
| 2 | G Barrère | 6 | 7 | | | | | | | | | | | | | |