# 2023 Cary Challenger – Singles

Michael Mmoh was the defending champion but chose not to defend his title.
Adam Walton won the title after defeating Nicolas Moreno de Alboran 6–4, 3–6, 7–5 in the final.

## Seeds

* Alexander Shevchenko (first round)
* Rinky Hijikata (quarterfinals)
* Liam Broady (semifinals)
* Nicolas Moreno de Alboran (final)
* Arthur Cazaux (second round)
* Gijs Brouwer (second round)
* Emilio Gómez (first round)
* Leandro Riedi (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 |
| WC | Patrick Kypson | 7$^{12}$ | 3 | 1 | | | | | |
| 4 | Nicolas Moreno de Alboran | 6$^{10}$ | 6 | 6 | | | | | |
| 4 | Nicolas Moreno de Alboran | 6$^{10}$ | 6 | 6 | 4 | Nicolas Moreno de Alboran | 4 | 6 | 5 |
| | | | | | | Adam Walton | 6 | 3 | 7 |
| 3 | Liam Broady | 4 | 5 | | | Adam Walton | 6 | 3 | 7 |
| | Adam Walton | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Shevchenko | 6 | 3 | 6$^4$ | | | | | | | | | | | | | | |
| | S-c Hong | 3 | 6 | 7$^7$ | | S-c Hong | 4 | 4 | | | | | | | | | | |
| Q | K Smith | 3 | 2 | | WC | P Kypson | 6 | 6 | | | | | | | | | | |
| WC | P Kypson | 6 | 6 | | | | | | | WC | P Kypson | 6 | 7$^7$ | | | | | |
| | T-l Wu | 4 | 6 | 6 | | | | | | | T-l Wu | 3 | 6$^4$ | | | | | |
| LL | Yuki Mochizuki | 6 | 3 | 2 | | T-l Wu | 6 | 3 | 6 | | | | | | | | | |
| | AD Vallejo | 6 | 6 | | | AD Vallejo | 1 | 6 | 1 | | | | | | | | | |
| 8 | L Riedi | 3 | 4 | | | | | | | | | | | WC | P Kypson | 7$^{12}$ | 3 | 1 |
| 4 | N Moreno de Alboran | 6 | 7 | | | | | | | | | | | 4 | N Moreno de Alboran | 6$^{10}$ | 6 | 6 |
| Q | Quinn Vandecasteele | 3 | 5 | | 4 | N Moreno de Alboran | 6 | 7$^7$ | | | | | | | | | | |
| Q | Stefan Dostanic | 7$^7$ | 6 | | Q | S Dostanic | 2 | 6$^5$ | | | | | | | | | | |
| | Z Svajda | 6$^5$ | 3 | | | | | | | 4 | N Moreno de Alboran | 6 | 6 | | | | | |
| Q | Karl Poling | 2 | 6 | 5 | | | | | | Alt | R Peniston | 3 | 4 | | | | | |
| Alt | R Peniston | 6 | 1 | 7 | Alt | R Peniston | 5 | 7 | 6 | | | | | | | | | |
| WC | E Quinn | 7$^7$ | 3 | 1 | 6 | G Brouwer | 7 | 5 | 2 | | | | | | | | | |
| 6 | G Brouwer | 6$^2$ | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | A Cazaux | 6 | 6 | | | | | | | | | | | | | | |
| | A Shelbayh | 3 | 0 | | 5 | A Cazaux | 4 | 6$^4$ | | | | | | | | | |
| | S Mochizuki | 7$^7$ | 3 | 2 | | L Harris | 6 | 7$^7$ | | | | | | | | | |
| | L Harris | 6$^4$ | 6 | 6 | | | | | | | L Harris | 3 | 4 | | | | |
| | T Sandgren | 3 | 6 | 3 | | | | | | 3 | L Broady | 6 | 6 | | | | |
| Q | B Ellis | 6 | 1 | 6 | Q | B Ellis | 3 | 3 | | | | | | | | | |
| | E Spizzirri | 2 | 2 | | 3 | L Broady | 6 | 6 | | | | | | | | | |
| 3 | L Broady | 6 | 6 | | | | | | | | | | | 3 | L Broady | 4 | 5 |
| 7 | E Gómez | 5 | 6$^5$ | | | | | | | | | | | | A Walton | 6 | 7 |
| Q | B Harris | 7 | 7$^7$ | | Q | B Harris | 6 | 6$^7$ | 6$^3$ | | | | | | | | |
| | B Zhukayev | 4 | 3 | | | A Walton | 3 | 7$^9$ | 7$^7$ | | | | | | | | |
| | A Walton | 6 | 6 | | | | | | | | A Walton | 6 | 6 | | | | |
| Alt | B Fratangelo | 3 | 6 | 2 | | | | | | 2/WC | R Hijikata | 2 | 4 | | | | |
| | A Ritschard | 6 | 4 | 6 | | A Ritschard | 6$^4$ | 3 | | | | | | | | | |
| | S Shimabukuro | 3 | 2 | | 2/WC | R Hijikata | 7$^7$ | 6 | | | | | | | | | |
| 2/WC | R Hijikata | 6 | 6 | | | | | | | | | | | | | | |