2019 Busan Open
The 2019 Busan Open was a professional tennis tournament played on hard courts. It was the eighteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Busan, South Korea between 6 and 12 May 2019.Seeds
- 1 Rankings as of 29 April 2019.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
- Makoto Ochi
- Xia Zihao
Champions
Singles
