title: 2017 Busan Open – Singles
text: # 2017 Busan Open – Singles
  
  Konstantin Kravchuk was the defending champion but lost in the first round to Kwon Soon-woo.
  
  Vasek Pospisil won the title after defeating Go Soeda 6–1, 6–2 in the final.
  
  ## Seeds
  
  * Lu Yen-hsun (quarterfinals, retired)
  * Vasek Pospisil (champion)
  * Blaž Kavčič (second round)
  * Dudi Sela (semifinals)
  * Illya Marchenko (first round)
  * Konstantin Kravchuk (first round)
  * Thomas Fabbiano (first round)
  * Ruben Bemelmans (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 | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - |
  | | Kwon Soon-woo | 4 | 2 | | | | |
  | | Go Soeda | 6 | 6 | | | | |
  | | Go Soeda | 6 | 6 | | Go Soeda | 1 | 2 |
  | | | | | 2 | Vasek Pospisil | 6 | 6 |
  | 4 | Dudi Sela | 4 | 3 | 2 | Vasek Pospisil | 6 | 6 |
  | 2 | Vasek Pospisil | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | Y-h Lu | 6 | 6 | | | | | | | | | | | | | | |
  | | T Chen | 4 | 4 | | 1 | Y-h Lu | 4 | 6 | 6 | | | | | | | | |
  | | M Purcell | $6^3$ | 6 | 3 | Q | R Sarmiento | 6 | 4 | 3 | | | | | | | | |
  | Q | R Sarmiento | $7^7$ | 1 | 6 | | | | | | 1 | Y-h Lu | 5 | $0^r$ | | | | |
  | | D-h Lee | 6 | 6 | | | | | | | | S-w Kwon | 7 | 0 | | | | |
  | | A Sarkissian | 3 | 2 | | | D-h Lee | $7^9$ | $6^2$ | 4 | | | | | | | | |
  | | S-w Kwon | $7^7$ | 6 | | | S-w Kwon | $6^7$ | $7^7$ | 6 | | | | | | | | |
  | 6 | K Kravchuk | $6^4$ | 3 | | | | | | | | | | | | S-w Kwon | 4 | 2 |
  | 3 | B Kavčič | 6 | $6^2$ | 7 | | | | | | | | | | | G Soeda | 6 | 6 |
  | Alt | S Bangoura | 0 | $7^7$ | 5 | 3 | B Kavčič | 4 | 6 | 3 | | | | | | | | |
  | WC | S-c Hong | 6 | 3 | 1 | | G Soeda | 6 | 0 | 6 | | | | | | | | |
  | | G Soeda | 2 | 6 | 6 | | | | | | | G Soeda | 3 | 6 | 6 | | | |
  | | H Moriya | 6 | 6 | | | | | | | | M Ebden | 6 | 3 | 3 | | | |
  | Q | E Corrie | 4 | 4 | | | H Moriya | 3 | 2 | | | | | | | | | |
  | | M Ebden | 6 | 6 | | | M Ebden | 6 | 6 | | | | | | | | | |
  | 5 | I Marchenko | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | R Bemelmans | 3 | 3 | | | | | | | | | | | | | | |
  | Q | A Krajicek | 6 | 6 | | Q | A Krajicek | 6 | 6 | | | | | | | | | |
  | | B Klein | 6 | 6 | | | B Klein | 4 | 2 | | | | | | | | | |
  | | M Tepavac | 3 | 0 | | | | | | | Q | A Krajicek | 4 | 2 | | | | |
  | WC | Oh Chan-yeong | 6 | 2 | 2 | | | | | | 4 | D Sela | 6 | 6 | | | | |
  | | S Doumbia | 2 | 6 | 6 | | S Doumbia | 2 | 3 | | | | | | | | | |
  | WC | T-l Wu | 1 | 6 | 5 | 4 | D Sela | 6 | 6 | | | | | | | | | |
  | 4 | D Sela | 6 | 2 | 7 | | | | | | | | | | 4 | D Sela | 4 | 3 |
  | 7 | T Fabbiano | 4 | 2 | | | | | | | | | | | 2 | V Pospisil | 6 | 6 |
  | | T Ito | 6 | 6 | | | T Ito | 6 | 1 | 6 | | | | | | | | |
  | | Yuya Kibi | 1 | 6 | 4 | WC | Ho Chung | 2 | 6 | 1 | | | | | | | | |
  | WC | Ho Chung | 6 | 4 | 6 | | | | | | | T Ito | 3 | 5 | | | | |
  | Q | L Broady | 6 | 6 | | | | | | | 2 | V Pospisil | 6 | 7 | | | | |
  | PR | A Ward | 2 | 0 | | Q | L Broady | 3 | $6^2$ | | | | | | | | | |
  | | M Chiudinelli | 2 | 5 | | 2 | V Pospisil | 6 | $7^7$ | | | | | | | | | |
  | 2 | V Pospisil | 6 | 7 | | | | | | | | | | | | | | |
  