| Type: | ATP Challenger |
| OEC Kaohsiung | |
| Current: | 2019 OEC Kaohsiung |
| City: | Kaohsiung |
| Country: | Taiwan |
| Category: | ATP Challenger Tour |
| Surface: | Carpet / Indoors |
| Draw: | 32S/29Q/16D |
| Prize Money: | $125,000+H |
| Website: | Website |
The OEC Kaohsiung is a tennis tournament held in Kaohsiung, Taiwan since 2012. The event is part of the ATP Challenger Tour and is played on indoor carpet courts.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 John Millman | 6–4, 6–2 | |||
 Gaël Monfils | 6–4, 2–6, 6–1 | |||
 Evgeny Donskoy | 7–6(7–0), 7–5 | |||
 Chung Hyeon | 6–4, 6–2 | |||
| Chung Hyeon | 7–5, 6–4 | |||
| Lu Yen-hsun | 6–7(7–9), 6–4, 6–4 | |||
| Lu Yen-hsun | 6–4, 6–3 | |||
 Go Soeda | 6–3, 6–0 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Hsieh Cheng-peng Yang Tsung-hua | 6–4, 7–6(7–4) | |||
| Hsieh Cheng-peng Yang Tsung-hua | 6–7(3–7), 6–2, [10–8] | |||
 Sanchai Ratiwatana Sonchat Ratiwatana | 6–4, 1–6, [10–6] | |||
| Sanchai Ratiwatana Sonchat Ratiwatana | 6–4, 7–6(7–4) | |||
| Hsieh Cheng-peng Yang Tsung-hua | 6–2, 6–2 | |||
 Gong Maoxin Peng Hsien-yin | 6–3, 6–2 | |||
 Juan Sebastián Cabal Robert Farah | 6–4, 6–2 | |||
 John Paul Fruttero Raven Klaasen | 6–7(6–8), 7–5, [10–8] |