2018 Gimcheon Open ATP Challenger – Doubles

Doubles
Doubles
2018 Gimcheon Open ATP Challenger
Champions	Ruan Roelofse; John-Patrick Smith
Runners-up	Sanchai Ratiwatana; Sonchat Ratiwatana
Score	6–2, 6–3

Marco Chiudinelli and Teymuraz Gabashvili were the defending champions but chose not to defend their title.

Ruan Roelofse and John-Patrick Smith won the title after defeating Sanchai and Sonchat Ratiwatana 6–2, 6–3 in the final.

Seeds

First round					Quarterfinals				Semifinals					Final

1	R Roelofse J-P Smith	7⁷	7
	M Gong Y Uchiyama	6⁵	5		1	R Roelofse J-P Smith	6	6
WC	Kim Yu-seob Lim Hyung-chan	6⁵	3			D Wu Ze Zhang	2	3
	D Wu Ze Zhang	7⁷	6						1	R Roelofse J-P Smith	w/o
4	C-p Hsieh C Rungkat	6	7⁷							F Nielsen V Pospisil
Q	Renta Tokuda W Trongcharoenchaikul	2	6³		4	C-p Hsieh C Rungkat	3	3
	B Klein B Schnur	2	5			F Nielsen V Pospisil	6	6
	F Nielsen V Pospisil	6	7											1	R Roelofse J-P Smith	6	6
WC	Lim Min-seob Yoon Il-sang	3	3											3	Sa Ratiwatana So Ratiwatana	2	3
	M Purcell L Saville	6	6			M Purcell L Saville	1	4
	T Chen C-h Yi	1	6	[8]	3	Sa Ratiwatana So Ratiwatana	6	6
3	Sa Ratiwatana So Ratiwatana	6	4	[10]					3	Sa Ratiwatana So Ratiwatana	3	6	[10]
WC	Choi Jae-won Moon Ju-hae	2	3						2	A Bury H-y Peng	6	3	[4]
	R Gonzales J Jung	6	6			R Gonzales J Jung	2	2
	T Matsui M McDonald	5	1		2	A Bury H-y Peng	6	6
2	A Bury H-y Peng	7	6