2016 OEC Kaohsiung

The 2016 OEC Kaohsiung was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Kaohsiung, Taiwan between 17 and 25 September 2016.

Seeds

 * 1 Rankings are as of September 12, 2016.

Other entrants
The following players received wildcards into the singles main draw:
 * Jimmy Wang
 * Lee Kuan-yi
 * Yang Tsung-hua
 * Wu Tung-lin

The following player received entry into the singles main draw using a protected ranking:
 * Matija Pecotić

The following players received entry from the qualifying draw:
 * 🇯🇵 Yuya Kibi
 * Christopher Rungkat
 * 🇯🇵 Takuto Niki
 * 🇯🇵 Yasutaka Uchiyama

Singles

 * 🇰🇷 Hyeon Chung def. 🇰🇷 Lee Duck-hee, 6–4, 6–2.

Doubles

 * 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana def. Hsieh Cheng-peng /  Yi Chu-huan, 6–4, 7–6(7–4)