# 2023 Internationaux de Tennis de Troyes – Singles

Juan Bautista Torres was the defending champion but chose not to defend his title.
Manuel Guinard won the title after defeating Calvin Hemery 6–4, 6–3 in the final.

## Seeds

* Genaro Alberto Olivieri (second round)
* Evgeny Donskoy (first round)
* Marco Trungelliti (first round)
* Térence Atmane (quarterfinals)
* Gianluca Mager (second round)
* Lorenzo Giustino (quarterfinals)
* Titouan Droguet (withdrew)
* Benjamin Hassan (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 |
| Q | Calvin Hemery | 6 | 3 | 7$^7$ | | | | |
| Q | David Jordà Sanchis | 4 | 6 | 6$^4$ | | | | |
| Q | David Jordà Sanchis | 4 | 6 | 6$^4$ | Q | Calvin Hemery | 4 | 3 |
| | | | | | Q | Manuel Guinard | 6 | 6 |
| Q | Duje Ajduković | 3 | 6 | 0 | Q | Manuel Guinard | 6 | 6 |
| Q | Manuel Guinard | 6 | 4 | 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 | Semifinals |
| 1 | GA Olivieri | 5 | 6 | 6 | | | | | | | | | | | | | | | |
| WC | S Gueymard Wayenburg | 7 | 4 | 0 | 1 | GA Olivieri | 3 | 7 | 2 | | | | | | | | | | |
| Q | Maxence Beaugé | 3 | 6$^2$ | | Q | C Hemery | 6 | 5 | 6 | | | | | | | | | | |
| Q | C Hemery | 6 | 7$^7$ | | | | | | | Q | C Hemery | 6 | 4 | 6 | | | | | |
| | Lucas Gerch | 6 | 6 | | | | | | | 6 | L Giustino | 4 | 6 | 1 | | | | | |
| | Elmar Ejupovic | 3 | 2 | | | L Gerch | 3 | 6 | 3 | | | | | | | | | | |
| | V Royer | 4 | 4 | | 6 | L Giustino | 6 | 3 | 6 | | | | | | | | | | |
| 6 | L Giustino | 6 | 6 | | | | | | | | | | | | Q | C Hemery | 6 | 3 | 7$^7$ |
| 3 | M Trungelliti | 4 | 2 | | | | | | | | | | | | Q | D Jordà Sanchis | 4 | 6 | 6$^4$ |
| | G Fonio | 6 | 6 | | | G Fonio | 6 | 6 | | | | | | | | | | | |
| | M Echargui | 6 | 4 | 7$^8$ | | M Echargui | 3 | 2 | | | | | | | | | | | |
| LL | S Purtseladze | 4 | 6 | 6$^6$ | | | | | | | G Fonio | 2$^r$ | | | | | | | |
| | D Rincón | 6 | 5 | 6$^3$ | | | | | | Q | D Jordà Sanchis | 3 | | | | | | | |
| Q | D Jordà Sanchis | 2 | 7 | 7$^7$ | Q | D Jordà Sanchis | 6 | 7$^7$ | | | | | | | | | | | |
| | A Moro Cañas | 4 | 6$^1$ | | 5 | G Mager | 4 | 6$^5$ | | | | | | | | | | | |
| 5 | G Mager | 6 | 7$^7$ | | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | B Hassan | 6 | 4 | 4 | | | | | | | | | | | | | | | |
| Q | D Ajduković | 4 | 6 | 6 | Q | D Ajduković | 6 | 6 | | | | | | | | | | | |
| | N Milojević | 3 | 3 | | Q | M Martineau | 3 | 2 | | | | | | | | | | | |
| Q | M Martineau | 6 | 6 | | | | | | | Q | D Ajduković | 6$^4$ | 6 | 6 | | | | | |
| | N Sánchez Izquierdo | 6$^8$ | 6 | 4 | | | | | | 4 | T Atmane | 7$^7$ | 3 | 2 | | | | | |
| | M Dellien | 7$^{10}$ | 0 | 6 | | M Dellien | 6 | 2 | 4 | | | | | | | | | | |
| | Pol Martín Tiffon | 2 | 5 | | 4 | T Atmane | 2 | 6 | 6 | | | | | | | | | | |
| 4 | T Atmane | 6 | 7 | | | | | | | | | | | | Q | D Ajduković | 3 | 6 | 0 |
| Q | M Guinard | 7$^7$ | 6 | | | | | | | | | | | | Q | M Guinard | 6 | 4 | 6 |
| | M Janvier | 6$^5$ | 3 | | Q | M Guinard | 6 | 6 | | | | | | | | | | | |
| | Á López San Martín | 6 | 1 | 4 | WC | M Erhard | 4 | 1 | | | | | | | | | | | |
| WC | Mathys Erhard | 2 | 6 | 6 | | | | | | Q | M Guinard | 6 | 6 | | | | | | |
| | V Durasovic | 6 | 6 | | | | | | | | V Durasovic | 4 | 2 | | | | | | |
| WC | Abel Hernández Aguila | 1 | 4 | | | V Durasovic | 3 | 6 | 6 | | | | | | | | | | |
| | S Diez | 6 | 6 | | | S Diez | 6 | 3 | 1 | | | | | | | | | | |
| 2 | E Donskoy | 4 | 2 | | | | | | | | | | | | | | | | |