title: 2022 Busan Open – Singles
text: # 2022 Busan Open – Singles
  
  Ričardas Berankis was the defending champion but chose not to defend his title.
  
  Kamil Majchrzak won the title after defeating Radu Albot 6–4, 3–6, 6–2 in the final.
  
  ## Seeds
  
  * Kwon Soon-woo (quarterfinals)
  * Radu Albot (final)
  * Tseng Chun-hsin (first round)
  * Emilio Gómez (withdrew)
  * Christopher O'Connell (semifinals)
  * Kamil Majchrzak (champion)
  * James Duckworth (first round)
  * John Millman (quarterfinals)
  * Christopher Eubanks (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 | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | 6 | Kamil Majchrzak | $7^7$ | 6 | | | | | |
  | 5 | Christopher O'Connell | $6^3$ | 4 | | | | | |
  | 5 | Christopher O'Connell | $6^3$ | 4 | 6 | Kamil Majchrzak | 6 | 3 | 6 |
  | | | | | 2 | Radu Albot | 4 | 6 | 2 |
  | LL | Hong Seong-chan | $6^2$ | 3 | 2 | Radu Albot | 4 | 6 | 2 |
  | 2 | Radu Albot | $7^7$ | 6 | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1/WC | S-w Kwon | 6 | 6 | | | | | | | | | | | | | | |
  | Q | M Neuchrist | 4 | 2 | | 1/WC | S-w Kwon | 6 | 6 | | | | | | | | | |
  | Q | S Mochizuki | 4 | 3 | | | A Vukic | 4 | 2 | | | | | | | | | |
  | | A Vukic | 6 | 6 | | | | | | 1/WC | S-w Kwon | 2 | $7^7$ | 5 | | | | |
  | Q | K Smith | 4 | 5 | | | | | | 6 | K Majchrzak | 6 | $6^4$ | 7 | | | | |
  | | H Međedović | 6 | 7 | | | H Međedović | $6^1$ | 4 | | | | | | | | | |
  | | M Marterer | 3 | 1 | | 6 | K Majchrzak | $7^7$ | 6 | | | | | | | | | |
  | 6 | K Majchrzak | 6 | 6 | | | | | | | | | | | 6 | K Majchrzak | $7^7$ | 6 |
  | 9 | C Eubanks | 6 | 6 | | | | | | | | | | | 5 | C O'Connell | $6^3$ | 4 |
  | LL | N Nakagawa | 0 | 3 | | 9 | C Eubanks | $7^7$ | 6 | | | | | | | | | |
  | | K Coppejans | 4 | 6 | 7 | | K Coppejans | $6^2$ | 3 | | | | | | | | | |
  | | A Kovacevic | 6 | 4 | 5 | | | | | 9 | C Eubanks | $6^3$ | 6 | 1 | | | | |
  | | K Uchida | 3 | 3 | | | | | | 5 | C O'Connell | $7^7$ | 4 | 6 | | | | |
  | WC | J-s Nam | 6 | 6 | | WC | J-s Nam | 3 | 2 | | | | | | | | | |
  | Q | M Sasikumar | 4 | 2 | | 5 | C O'Connell | 6 | 6 | | | | | | | | | |
  | 5 | C O'Connell | 6 | 6 | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | J Millman | 6 | 6 | | | | | | | | | | | | | | |
  | | D Svrčina | 3 | 4 | | 8 | J Millman | 6 | 6 | | | | | | | | | |
  | LL | M Gengel | 1 | 6 | 6 | LL | M Gengel | 3 | 3 | | | | | | | | | |
  | | H Moriya | 6 | 4 | 2 | | | | | 8 | J Millman | 6 | 4 | 5 | | | | |
  | LL | S-c Hong | 6 | 3 | 6 | | | | | LL | S-c Hong | 3 | 6 | 7 | | | | |
  | | L Tu | 3 | 6 | 1 | LL | S-c Hong | 6 | 7 | | | | | | | | | |
  | WC | Y-s Chung | 7 | 7 | | WC | Y-s Chung | 3 | 5 | | | | | | | | | |
  | 3 | C-h Tseng | 5 | 5 | | | | | | | | | | | LL | S-c Hong | $6^2$ | 3 |
  | 7 | J Duckworth | 4 | 6 | 4 | | | | | | | | | | 2 | R Albot | $7^7$ | 6 |
  | PR | M Polmans | 6 | 2 | 6 | PR | M Polmans | 6 | 6 | | | | | | | | | |
  | | R Hijikata | 6 | $6^{12}$ | 4 | Q | M Purcell | 2 | 4 | | | | | | | | | |
  | Q | M Purcell | 3 | $7^{14}$ | 6 | | | | | PR | M Polmans | 5 | $2^r$ | | | | | |
  | | S Mansouri | $6^5$ | $6^2$ | | | | | | 2 | R Albot | 7 | 4 | | | | | |
  | Q | J De Loore | $7^7$ | $7^7$ | | Q | J De Loore | 5 | $0^r$ | | | | | | | | | |
  | | T-l Wu | 3 | 6 | 2 | 2 | R Albot | 7 | 2 | | | | | | | | | |
  | 2 | R Albot | 6 | 2 | 6 | | | | | | | | | | | | | |
  