2017 Gwangju Open

The 2017 Gwangju Open was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Gwangju, South Korea between 18 and 24 September 2017.

Singles main-draw entrants

¹ Rankings as of 11 September 2017.

The following players received wildcards into the singles main draw:

The following players received entry into the singles main draw using a protected ranking:

The following players received entry from the qualifying draw:

The following players received entry as lucky losers:

Matthias Bachinger def. Yang Tsung-hua 6–3, 6–4.

Chen Ti / Ben McLachlan def. Jarryd Chaplin / Luke Saville 2–6, 7–6, .