# 2024 Open Sopra Steria de Lyon – Singles

Felipe Meligeni Alves was the defending champion but chose not to defend his title.
Hugo Gaston won the title after defeating Alexandre Müller 6–2, 1–6, 6–1 in the final.

## Seeds

* Hugo Gaston (champion)
* Alexandre Müller (final)
* Luca Van Assche (quarterfinals)
* Camilo Ugo Carabelli (first round)
* Valentin Vacherot (withdrew)
* Ugo Blanchet (second round)
* Lucas Pouille (withdrew)
* Alexander Ritschard (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 | Semifinals | Final | Final | Final | Final | Final |
| 1 | Hugo Gaston | 7$^7$ | 6 | | | | | | |
| | Kyrian Jacquet | 6$^3$ | 4 | | | | | | |
| | Kyrian Jacquet | 6$^3$ | 4 | | 1 | Hugo Gaston | 6 | 1 | 6 |
| | | | | | 2 | Alexandre Müller | 2 | 6 | 1 |
| Q | Raphaël Collignon | 6 | 2 | 2 | 2 | Alexandre Müller | 2 | 6 | 1 |
| 2 | Alexandre Müller | 1 | 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 | H Gaston | 6 | 7$^{11}$ | | | | | | | | | | | | | | | |
| | D Rincón | 0 | 6$^9$ | | 1 | H Gaston | 6 | 6$^1$ | 6 | | | | | | | | | |
| Alt | G Onclin | 2 | 6$^0$ | | | C Tabur | 2 | 7$^7$ | 3 | | | | | | | | | |
| | C Tabur | 6 | 7$^7$ | | | | | | | 1 | H Gaston | 4 | 6 | 6 | | | | |
| | M Janvier | 7$^7$ | 6 | | | | | | | Q | N Basilashvili | 6 | 4 | 3 | | | | |
| | T Boyer | 6$^4$ | 3 | | | M Janvier | 5 | 1 | | | | | | | | | | |
| Q | N Basilashvili | 7 | 6 | | Q | N Basilashvili | 7 | 6 | | | | | | | | | | |
| 8 | A Ritschard | 5 | 2 | | | | | | | | | | | | 1 | H Gaston | 7$^7$ | 6 |
| 4 | C Ugo Carabelli | 4 | 2 | | | | | | | | | | | | | K Jacquet | 6$^3$ | 4 |
| LL | C Taberner | 6 | 6 | | LL | C Taberner | 6 | 3 | 3 | | | | | | | | | |
| | K Jacquet | 6 | 3 | 6 | | K Jacquet | 2 | 6 | 6 | | | | | | | | | |
| WC | G Debru | 1 | 6 | 3 | | | | | | | K Jacquet | 7 | 1 | | | | | |
| Alt | T Lamasine | 3 | 6 | 2 | | | | | | | Q Halys | 5 | 0$^r$ | | | | | |
| | Q Halys | 6 | 1 | 6 | | Q Halys | 6 | 7 | | | | | | | | | | |
| | C Hemery | 5 | 3 | | LL | M Bourgue | 2 | 5 | | | | | | | | | | |
| LL | M Bourgue | 7 | 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 | Semifinals |
| LL | D Jordà Sanchis | 6 | 5 | 7$^7$ | | | | | | | | | | | | | |
| | H Grenier | 3 | 7 | 6$^2$ | LL | D Jordà Sanchis | 0 | 5 | | | | | | | | | |
| Q | S Fanselow | 1 | 3 | | Q | R Collignon | 6 | 7 | | | | | | | | | |
| Q | R Collignon | 6 | 6 | | | | | | Q | R Collignon | 7 | 6 | | | | | |
| Q | Lucas Poullain | 4 | 1 | | | | | | 3 | L Van Assche | 5 | 3 | | | | | |
| Q | J Barranco Cosano | 6 | 6 | | Q | J Barranco Cosano | 2 | 5 | | | | | | | | | |
| WC | A Géa | 6 | 4 | 6$^4$ | 3 | L Van Assche | 6 | 7 | | | | | | | | | |
| 3 | L Van Assche | 4 | 6 | 7$^7$ | | | | | | | | | Q | R Collignon | 6 | 2 | 2 |
| 6 | U Blanchet | 4 | | | | | | | | | | | 2 | A Müller | 1 | 6 | 6 |
| | M Guinard | 1$^r$ | | | 6 | U Blanchet | 4 | 3 | | | | | | | | | |
| Q | FA Gómez | 4 | 1$^r$ | | Alt | FC Jianu | 6 | 6 | | | | | | | | | |
| Alt | FC Jianu | 6 | 2 | | | | | | Alt | FC Jianu | 2 | 2 | | | | | |
| WC | Maé Malige | 1 | 2 | | | | | | 2 | A Müller | 6 | 6 | | | | | |
| | A Kachmazov | 6 | 6 | | | A Kachmazov | 0 | 2 | | | | | | | | | |
| | JP Ficovich | 5 | 0 | | 2 | A Müller | 6 | 6 | | | | | | | | | |
| 2 | A Müller | 7 | 6 | | | | | | | | | | | | | | |