# 2023 Little Rock Challenger – Singles

Jason Kubler was the defending champion but chose not to defend his title.
Mark Lajal won the title after defeating Beibit Zhukayev 6–4, 7–5 in the final.

## Seeds

* Wu Tung-lin (second round)
* Nicolas Moreno de Alboran (second round)
* Marc Polmans (first round)
* Antoine Escoffier (semifinals)
* Yasutaka Uchiyama (first round)
* Juan Pablo Ficovich (first round)
* Aziz Dougaz (quarterfinals)
* Tennys Sandgren (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 | Semifinals | Final | Final | Final | Final |
| | Mark Lajal | 4 | 6 | 6 | | | | |
| 4 | Antoine Escoffier | 6 | 3 | 2 | | | | |
| 4 | Antoine Escoffier | 6 | 3 | 2 | | Mark Lajal | 6 | 7 |
| | | | | | Q | Beibit Zhukayev | 4 | 5 |
| Q | Adam Walton | 7$^8$ | 4 | 6$^4$ | Q | Beibit Zhukayev | 4 | 5 |
| Q | Beibit Zhukayev | 6$^6$ | 6 | 7$^7$ | | | | |

### 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 | T-l Wu | 6 | 4 | 6 | | | | | | | | | | | | | | | |
| | B Kuzuhara | 3 | 6 | 4 | 1 | T-l Wu | 5 | 3 | | | | | | | | | | | |
| | M Krueger | 2 | 6$^3$ | | | M Lajal | 7 | 6 | | | | | | | | | | | |
| | M Lajal | 6 | 7$^7$ | | | | | | | | M Lajal | 7$^7$ | 6 | | | | | | |
| | E Zhu | 6 | 6$^7$ | 7$^7$ | | | | | | 7 | A Dougaz | 6$^5$ | 2 | | | | | | |
| WC | T Boyer | 4 | 7$^9$ | 6$^2$ | | E Zhu | 6 | 3 | 1 | | | | | | | | | | |
| | S Mansouri | 5 | 3 | | 7 | A Dougaz | 3 | 6 | 6 | | | | | | | | | | |
| 7 | A Dougaz | 7 | 6 | | | | | | | | | | | | | M Lajal | 4 | 6 | 6 |
| 4 | A Escoffier | 6 | 6 | | | | | | | | | | | | 4 | A Escoffier | 6 | 3 | 2 |
| WC | A Mayo | 3 | 4 | | 4 | A Escoffier | 6 | 6 | | | | | | | | | | | |
| WC | Nathan Ponwith | 2 | 7 | 7 | WC | N Ponwith | 1 | 2 | | | | | | | | | | | |
| Q | Christian Langmo | 6 | 5 | 5 | | | | | | 4 | A Escoffier | 6 | 3 | 7 | | | | | |
| PR | T-S Kwiatkowski | 6 | 7 | | | | | | | PR | T-S Kwiatkowski | 1 | 6 | 5 | | | | | |
| | V Durasovic | 4 | 5 | | PR | T-S Kwiatkowski | 7 | 6 | | | | | | | | | | | |
| | D Masur | 6 | 6 | | | D Masur | 5 | 4 | | | | | | | | | | | |
| 5 | Y Uchiyama | 2 | 3 | | | | | | | | | | | | | | | | |

### 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 |
| 6 | JP Ficovich | 6$^2$ | 2 | | | | | | | | | | | | | | | | |
| | A Galarneau | 7$^7$ | 6 | | | A Galarneau | 3 | 6 | 6 | | | | | | | | | | |
| | A Michelsen | 4 | 6 | 7 | | A Michelsen | 6 | 3 | 3 | | | | | | | | | | |
| | D Yevseyev | 6 | 3 | 5 | | | | | | | A Galarneau | 4 | 1 | | | | | | |
| Q | M Kaśnikowski | 2 | 3 | | | | | | | Q | A Walton | 6 | 6 | | | | | | |
| | JL Reis da Silva | 6 | 6 | | | JL Reis da Silva | 6 | 6$^2$ | 4 | | | | | | | | | | |
| Q | A Walton | 6 | 5 | 6 | Q | A Walton | 3 | 7$^7$ | 6 | | | | | | | | | | |
| 3 | M Polmans | 4 | 7 | 2 | | | | | | | | | | | Q | A Walton | 7$^8$ | 4 | 6$^4$ |
| 8 | T Sandgren | 6 | 6 | | | | | | | | | | | | Q | B Zhukayev | 6$^6$ | 6 | 7$^7$ |
| | Y Shimizu | 1 | 0 | | 8 | T Sandgren | 2 | 5 | | | | | | | | | | | |
| | M Kukushkin | 7$^7$ | 6 | | | M Kukushkin | 6 | 7 | | | | | | | | | | | |
| Q | Michael Zheng | 6$^5$ | 3 | | | | | | | | M Kukushkin | 7$^8$ | 4 | 5 | | | | | |
| Q | B Zhukayev | 6 | 6 | | | | | | | Q | B Zhukayev | 6$^6$ | 6 | 7 | | | | | |
| Q | P Gojowczyk | 2 | 2 | | Q | B Zhukayev | 6 | 6$^1$ | 7$^7$ | | | | | | | | | | |
| | M Gengel | 6 | 3 | 4 | 2 | N Moreno de Alboran | 2 | 7$^7$ | 6$^5$ | | | | | | | | | | |
| 2 | N Moreno de Alboran | 2 | 6 | 6 | | | | | | | | | | | | | | | |