2018 Gimcheon Open ATP Challenger – Doubles

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

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

Main article: 2018 Gimcheon Open ATP Challenger

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

Seeds

1. Ruan Roelofse / John-Patrick Smith (Champions)
2. Aliaksandr Bury / Peng Hsien-yin (Semifinals)
3. Sanchai Ratiwatana / Sonchat Ratiwatana (Final)
4. Hsieh Cheng-peng / Christopher Rungkat (Quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

	First Round							Quarterfinals							Semifinals							Final
	1	R Roelofse J-P Smith	7^7	7
		M Gong Y Uchiyama	6^5	5				1	R Roelofse J-P Smith	6	6
	WC	Kim Yu-seob Lim Hyung-chan	6^5	3					D Wu Ze Zhang	2	3
		D Wu Ze Zhang	7^7	6											1	R Roelofse J-P Smith	w/o
	4	C-p Hsieh C Rungkat	6	7^7												F Nielsen V Pospisil
	Q	Renta Tokuda W Trongcharoenchaikul	2	6^3				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

References

• Main Draw
• Qualifying Draw