# 2022 Gwangju Open – Singles

Jason Jung was the defending champion but lost in the second round to Maximilian Marterer.
Zsombor Piros won the title after defeating Emilio Gómez 6–2, 6–4 in the final.

## Seeds

* Emilio Gómez (final)
* Christopher O'Connell (first round)
* John Millman (first round, retired)
* Christopher Eubanks (semifinals)
* Wu Yibing (second round)
* Ryan Peniston (second round)
* Zsombor Piros (champion)
* Maximilian Marterer (quarterfinals)

## 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 |
| 1 | Emilio Gómez | 6 | 1 | 7$^7$ | | | | |
| PR | Marc Polmans | 3 | 6 | 6$^3$ | | | | |
| PR | Marc Polmans | 3 | 6 | 6$^3$ | 1 | Emilio Gómez | 2 | 4 |
| | | | | | 7 | Zsombor Piros | 6 | 6 |
| 4 | Christopher Eubanks | 2 | 7$^8$ | 2 | 7 | Zsombor Piros | 6 | 6 |
| 7 | Zsombor Piros | 6 | 6$^6$ | 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 | Semifinals |
| 1 | E Gómez | 7$^9$ | 6 | | | | | | | | | | | | | | | | |
| | B Patael | 6$^7$ | 2 | | 1 | E Gómez | 6 | 6 | | | | | | | | | | | |
| Q | M Sasikumar | 4 | 6 | 7 | Q | M Sasikumar | 4 | 2 | | | | | | | | | | | |
| WC | S-c Hong | 6 | 1 | 5 | | | | | | 1 | E Gómez | 6 | 1 | 6 | | | | | |
| Q | Y-s Chung | 6 | 3 | 5 | | | | | | Q | J-s Nam | 1 | 6 | 1 | | | | | |
| Q | J-s Nam | 1 | 6 | 7 | Q | J-s Nam | 6 | 6 | | | | | | | | | | | |
| WC | Shin San-hui | 3 | 2 | | 5 | Y Wu | 4 | 2 | | | | | | | | | | | |
| 5 | Y Wu | 6 | 6 | | | | | | | | | | | | 1 | E Gómez | 6 | 1 | 7$^7$ |
| 3 | J Millman | 4 | 0$^r$ | | | | | | | | | | | | PR | M Polmans | 3 | 6 | 6$^3$ |
| PR | M Polmans | 6 | 0 | | PR | M Polmans | 6 | 2 | 6 | | | | | | | | | | |
| | J De Loore | 6 | 4 | 4 | LL | K Smith | 4 | 6 | 3 | | | | | | | | | | |
| LL | K Smith | 1 | 6 | 6 | | | | | | PR | M Polmans | 4 | 6 | 6 | | | | | |
| Q | D-h Lee | 6 | 0 | 3 | | | | | | | M Neuchrist | 6 | 1 | 3 | | | | | |
| | M Neuchrist | 4 | 6 | 6 | | M Neuchrist | 6 | 6 | | | | | | | | | | | |
| Q | N Nakagawa | 5 | 7 | 3 | 6 | R Peniston | 3 | 4 | | | | | | | | | | | |
| 6 | R Peniston | 7 | 5 | 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 | Semifinals |
| 8 | M Marterer | 6 | 3 | 7 | | | | | | | | | | | | | | |
| | M Gengel | 3 | 6 | 5 | 8 | M Marterer | 3 | 7 | 7 | | | | | | | | | |
| | N Barrientos | 1 | 6 | 6$^6$ | Q | J Jung | 6 | 5 | 5 | | | | | | | | | |
| Q | J Jung | 6 | 4 | 7$^8$ | | | | | | 8 | M Marterer | 6$^1$ | 6$^1$ | | | | | |
| WC | U-s Park | 6 | 3 | 6 | | | | | | 4 | C Eubanks | 7$^7$ | 7$^7$ | | | | | |
| | J Clarke | 3 | 6 | 2 | WC | U-s Park | 2 | 2 | | | | | | | | | | |
| | S Mansouri | 1 | 5 | | 4 | C Eubanks | 6 | 6 | | | | | | | | | | |
| 4 | C Eubanks | 6 | 7 | | | | | | | | | | | 4 | C Eubanks | 2 | 7$^8$ | 2 |
| 7 | Z Piros | 6 | 4 | 6 | | | | | | | | | | 7 | Z Piros | 6 | 6$^6$ | 6 |
| | K Coppejans | 4 | 6 | 2 | 7 | Z Piros | 6 | 6 | | | | | | | | | | |
| | L Tu | 6$^2$ | 7$^{11}$ | 6 | | L Tu | 4 | 4 | | | | | | | | | | |
| | T-l Wu | 7$^7$ | 6$^9$ | 1 | | | | | | 7 | Z Piros | 6 | 6 | | | | | |
| | A Kovacevic | 4 | 4 | | | | | | | | R Hijikata | 2 | 1 | | | | | |
| | R Hijikata | 6 | 6 | | | R Hijikata | 4 | 6 | 6 | | | | | | | | | |
| | D Svrčina | 6 | 6 | | | D Svrčina | 6 | 3 | 2 | | | | | | | | | |
| 2 | C O'Connell | 4 | 2 | | | | | | | | | | | | | | | |