2017 Seoul Open Challenger
The 2017 Seoul Open Challenger was a professional tennis tournament played on outdoor hard courts. It was the third edition of the tournament. It was part of the 2017 ATP Challenger Tour. It took place in Seoul, South Korea, on 8–14 May 2017.Seeds
- 1 Rankings as of 1 May 2017.
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Singles
