2017 OEC Kaohsiung

The 2017 OEC Kaohsiung was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Kaohsiung, Taiwan between 2 and 8 October 2017.

Seeds

 * 1 Rankings are as of 25 September 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇰🇷 Chung Yun-seong
 * Hsu Yu-hsiou
 * Wu Tung-lin
 * Yang Tsung-hua

The following players received entry from the qualifying draw:
 * 🇨🇳 Bai Yan
 * 🇩🇪 Andre Begemann
 * 🇯🇵 Yuya Kibi
 * 🇰🇷 Kim Cheong-eui

The following player received entry as a lucky loser:
 * 🇦🇺 Marinko Matosevic

Singles

 * 🇷🇺 Evgeny Donskoy def. 🇷🇴 Marius Copil 7–6(7–0), 7–5.

Doubles

 * 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana def. 🇮🇱 Jonathan Erlich / 🇦🇹 Alexander Peya 6–4, 1–6, [10–6].