The Gimcheon Open ATP Challenger (formerly known as Adidas International Gimcheon due to sponsorship reasons) is a tennis tournament held in Gimcheon, South Korea since 2014. The event is part of the ATP Challenger Tour and is played on outdoor hard courts.

Year	Champion	Runner-up	Score
2018	Yoshihito Nishioka	Vasek Pospisil	6–4, 7–5
2017	Thomas Fabbiano	Teymuraz Gabashvili	7–5, 6–1
2016	Max Purcell	Andrew Whittington	3–6, 7–6(8–6), 5–1 ret.
2015	Alexander Sarkissian	Connor Smith	7–6(7–5), 6–4[1]
2014	Gilles Müller	Tatsuma Ito	7–6(7–5), 5–7, 6–4

Year	Champion	Runner-up	Score
2018	Ruan Roelofse John-Patrick Smith	Sanchai Ratiwatana Sonchat Ratiwatana	6–2, 6–3
2017	Marco Chiudinelli Teymuraz Gabashvili	Ruan Roelofse Yi Chu-huan	6–1, 6–3
2016	Hsieh Cheng-peng Yang Tsung-hua	Nicolás Barrientos Ruben Gonzales	Walkover
2015	Li Zhe Jose Rubin Statham	Dean O'Brien Ruan Roelofse	6–4, 6–1
2014	Samuel Groth Chris Guccione	Austin Krajicek John-Patrick Smith	6–7(5–7), 7–5, [10–4]

• ITF Website