2018 Gimcheon Open ATP Challenger – Singles

Thomas Fabbiano was the defending champion but chose not to defend his title.

Singles
2018 Gimcheon Open ATP Challenger
Champion	Yoshihito Nishioka
Runner-up	Vasek Pospisil
Score	6–4, 7–5

Main article: 2018 Gimcheon Open ATP Challenger

Yoshihito Nishioka won the title after defeating Vasek Pospisil 6–4, 7–5 in the final.

Seeds

1. Matthew Ebden (first round, retired)
2. Vasek Pospisil (final)
3. Jordan Thompson (second round)
4. Dudi Sela (second round)
5. Lu Yen-hsun (withdrew)
6. Mackenzie McDonald (quarterfinals)
7. Go Soeda (quarterfinals)
8. Jason Jung (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Max Purcell	4	0
	Q	Yoshihito Nishioka	6	6
								Q	Yoshihito Nishioka	6	7
								2	Vasek Pospisil	4	5
		Kwon Soon-woo	1	2
	2	Vasek Pospisil	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	M Ebden	77	1	0r
		Z Li	65	6	3				Z Li	1	4
		B Schnur	78	1	3				M Purcell	6	6
		M Purcell	66	6	6											M Purcell	6	6
	WC	U-s Park	5	2											7	G Soeda	3	3
		Y Takahashi	7	6					Y Takahashi	63	2
		R Statham	2	6	4			7	G Soeda	77	6
	7	G Soeda	6	3	6																		M Purcell	4	0
	3	J Thompson	6	6																		Q	Y Nishioka	6	6
	WC	Y-s Chung	4	1				3	J Thompson	2	4
	Q	Y Nishioka	6	6				Q	Y Nishioka	6	6
		J-P Smith	4	0											Q	Y Nishioka	6	6
	WC	Lee Young-seok	1	1											Q	M Ochi	2	2
	Q	Makoto Ochi	6	6				Q	M Ochi	4	6	77
	WC	D-h Lee	77	2	3			LL	L Saville	6	1	61
	LL	L Saville	63	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	M McDonald	77	77
		Ze Zhang	64	65				6	M McDonald	4	6	6
		F Peliwo	6	6					F Peliwo	6	3	1
		D Wu	4	1											6	M McDonald	5	5
		S-w Kwon	6	2	6											S-w Kwon	7	7
		D Kelly	4	6	2				S-w Kwon	4	6	6
		M Banes	3	2				4	D Sela	6	3	1
	4	D Sela	6	6																			S-w Kwon	1	2
	8	J Jung	6	5	77																	2	V Pospisil	6	6
		T Ito	3	7	64			8	J Jung	66	0
	Q	Renta Tokuda	6	7				Q	R Tokuda	78	6
	Q	W Trongcharoenchaikul	1	5											Q	R Tokuda	4	4
		J Kubler	6	6											2	V Pospisil	6	6
		M Giron	4	2					J Kubler	4	4
		Y Uchiyama	77	2	2			2	V Pospisil	6	6
	2	V Pospisil	65	6	6

References

• Main Draw
• Qualifying Draw