# 2022 Korea Open – Men's singles

Yoshihito Nishioka defeated Denis Shapovalov in the final, 6–4, 7–6$^{(7–5)}$ to win the men's singles tennis title at the 2022 Korea Open. It was his first ATP Tour title since Shenzhen in 2018.
This was the first edition of an ATP Tour event in Seoul since 1996.

## Seeds

The top four seeds received a bye into the second round.
* Casper Ruud (quarterfinals)
* Cameron Norrie (quarterfinals, withdrew)
* Taylor Fritz (withdrew)
* Denis Shapovalov (final)
* Dan Evans (first round)
* Borna Ćorić (withdrew)
* Miomir Kecmanović (first round)
* Jenson Brooksby (semifinals)

## 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 |
| | Yoshihito Nishioka | 6 | 4 | 6 | | | | |
| LL | Aleksandar Kovacevic | 3 | 6 | 3 | | | | |
| LL | Aleksandar Kovacevic | 3 | 6 | 3 | | Yoshihito Nishioka | 6 | 7$^7$ |
| | | | | | 4 | Denis Shapovalov | 4 | 6$^5$ |
| 4 | Denis Shapovalov | 7 | 6 | | 4 | Denis Shapovalov | 4 | 6$^5$ |
| 8 | Jenson Brooksby | 5 | 4 | | | | | |

### Top half

| 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 | C Ruud | 6 | 3 | 6 | | | | | | | | | | |
| Q | N Jarry | 6 | 7$^{10}$ | Q | N Jarry | 2 | 6 | 3 | | | | | | | | | | |
| LL | R Peniston | 3 | 6$^8$ | | | | | | 1 | C Ruud | 2 | 6 | 2 | | | | | |
| | T Daniel | 6 | 6 | | | | | | | Y Nishioka | 6 | 3 | 6 | | | | | |
| | E Gómez | 4 | 4 | | T Daniel | 2 | 4 | | | | | | | | | | | |
| | Y Nishioka | 6 | 7$^7$ | | Y Nishioka | 6 | 6 | | | | | | | | | | | |
| 5 | D Evans | 2 | 6$^3$ | | | | | | | | | | | | Y Nishioka | 6 | 4 | 6 |
| | | | | | | | | | | | | | | LL | A Kovacevic | 3 | 6 | 3 |
| | | | | LL | S Mochizuki | 3 | 4 | | | | | | | | | | | |
| | M McDonald | 7 | 6 | | M McDonald | 6 | 6 | | | | | | | | | | | |
| | P Martínez | 5 | 4 | | | | | | | M McDonald | 6 | 3 | 2 | | | | | |
| | C-h Tseng | 6 | 0 | | | | | | LL | A Kovacevic | 4 | 6 | 6 | | | | | |
| | C O'Connell | 4 | 0$^r$ | | C-h Tseng | 6$^5$ | 7$^7$ | 2 | | | | | | | | | | |
| LL | A Kovacevic | 6 | 6 | LL | A Kovacevic | 7$^7$ | 6$^4$ | 6 | | | | | | | | | | |
| 7 | M Kecmanović | 4 | 4 | | | | | | | | | | | | | | | |

### 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 |
| LL | H Moriya | 3 | 4 | | | | | | | | | | | | | |
| | R Albot | 6 | 6 | | | R Albot | 7$^7$ | 7$^7$ | | | | | | | | |
| | S Johnson | 7$^7$ | 6 | | | S Johnson | 6$^3$ | 6$^3$ | | | | | | | | |
| WC | J-s Nam | 6$^3$ | 4 | | | | | | | R Albot | 2 | 2 | | | | |
| Q | Y Watanuki | 1$^r$ | | | | | | | 4 | D Shapovalov | 6 | 6 | | | | |
| | J Munar | 2 | | | | J Munar | 5 | 4 | | | | | | | | |
| | | | | | 4 | D Shapovalov | 7 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 4 | D Shapovalov | 7 | 6 |
| 8 | J Brooksby | 7$^7$ | 3 | 6 | | | | | | | | | 8 | J Brooksby | 5 | 4 |
| Q | T-l Wu | 6$^5$ | 6 | 0 | 8 | J Brooksby | 6 | 6 | | | | | | | | |
| | S-w Kwon | 7$^7$ | 6$^3$ | 6 | | S-w Kwon | 3 | 4 | | | | | | | | |
| Q | Y-s Chung | 6$^5$ | 7$^7$ | 1 | | | | | 8 | J Brooksby | w/o | | | | | |
| WC | S-c Hong | 4 | 2 | | | | | | 2 | C Norrie | | | | | | |
| WC | K Uchida | 6 | 6 | | WC | K Uchida | 2 | 2 | | | | | | | | |
| | | | | | 2 | C Norrie | 6 | 6 | | | | | | | | |

## Qualifying
### Seeds

* Nicolás Jarry (qualified)
* Elias Ymer (first round)
* Ryan Peniston (qualifying competition, lucky loser)
* Kaichi Uchida (received wildcard into main draw)
* Wu Tung-lin (qualified)
* Dalibor Svrčina (first round)
* Aleksandar Kovacevic (qualifying competition, lucky loser)
* Yosuke Watanuki (qualified)

### Qualifiers

* Nicolás Jarry
* Chung Yun-seong
* Wu Tung-lin
* Yosuke Watanuki

### Lucky losers

* Aleksandar Kovacevic
* Ryan Peniston
* Hiroki Moriya
* Shintaro Mochizuki

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Nicolás Jarry | 6 | 6 | | | | | |
| PR | Tatsuma Ito | 2 | 1 | | | | | |
| PR | Tatsuma Ito | 2 | 1 | | 1 | Nicolás Jarry | 7$^8$ | 6 |
| | | | | | 7 | Aleksandar Kovacevic | 6$^6$ | 3 |
| | Sho Shimabukuro | 7$^7$ | 3 | 2 | 7 | Aleksandar Kovacevic | 6$^6$ | 3 |
| 7 | Aleksandar Kovacevic | 6$^3$ | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Elias Ymer | 6 | 4 | 3 | | | |
| | Shintaro Mochizuki | 1 | 6 | 6 | | | |
| | Shintaro Mochizuki | 1 | 6 | 6 | Shintaro Mochizuki | 5 | 4 |
| | | | | | Chung Yun-seong | 7 | 6 |
| | Chung Yun-seong | 6 | 4 | 6 | Chung Yun-seong | 7 | 6 |
| 6 | Dalibor Svrčina | 3 | 6 | 1 | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Ryan Peniston | 7 | 6 | | | | | |
| WC | Lee Jea-moon | 5 | 3 | | | | | |
| WC | Lee Jea-moon | 5 | 3 | | 3 | Ryan Peniston | 5 | 2 |
| | | | | | 5 | Wu Tung-lin | 7 | 6 |
| WC | Lee Duck-hee | 6 | 4 | 5 | 5 | Wu Tung-lin | 7 | 6 |
| 5 | Wu Tung-lin | 4 | 6 | 7 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Treat Huey | 4 | 1 | | | | | |
| | Hiroki Moriya | 6 | 6 | | | | | |
| | Hiroki Moriya | 6 | 6 | | Hiroki Moriya | 6 | 6$^3$ | 2 |
| | | | | 8 | Yosuke Watanuki | 3 | 7$^7$ | 6 |
| Alt | John-Patrick Smith | 3 | 1 | 8 | Yosuke Watanuki | 3 | 7$^7$ | 6 |
| 8 | Yosuke Watanuki | 6 | 6 | | | | | |