title: 2018 Gimcheon Open ATP Challenger
text: # 2018 Gimcheon Open ATP Challenger
  
  The 2018 Gimcheon Open ATP Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Gimcheon, Korea between 7 and 13 May 2018.
  
  ## Singles main-draw entrants
  
  ### Seeds
  
  | Country | Player | $Rank^1$ | Seed |
  | - | - | - | - |
  | AUS | Matthew Ebden | 81 | 1 |
  | CAN | Vasek Pospisil | 83 | 2 |
  | AUS | Jordan Thompson | 94 | 3 |
  | ISR | Dudi Sela | 97 | 4 |
  | TPE | Lu Yen-hsun | 109 | 5 |
  | USA | Mackenzie McDonald | 146 | 6 |
  | JPN | Go Soeda | 149 | 7 |
  | TPE | Jason Jung | 154 | 8 |
  
  * $^1$ Rankings are as of 30 April 2018.
  
  ### Other entrants
  
  The following players received wildcards into the singles main draw:
  
  * Chung Yun-seong
  * Lee Duck-hee
  * Lee Young-seok
  * Park Ui-sung
  
  The following players received entry from the qualifying draw:
  
  * Yoshihito Nishioka
  * Makoto Ochi
  * Renta Tokuda
  * Wishaya Trongcharoenchaikul
  
  The following player received entry as a lucky loser:
  
  * Luke Saville
  
  ## Champions
  
  ### Singles
  
  * Yoshihito Nishioka def. Vasek Pospisil 6–4, 7–5.
  
  ### Doubles
  
  * Ruan Roelofse / John-Patrick Smith def. Sanchai Ratiwatana / Sonchat Ratiwatana 6–2, 6–3.
  