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
Final score	6–4, 7–5

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
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• 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	7^7	1	0^r
		Z Li	6^5	6	3				Z Li	1	4
		B Schnur	7^8	1	3				M Purcell	6	6
		M Purcell	6^6	6	6											M Purcell	6	6
	WC	U-s Park	5	2											7	G Soeda	3	3
		Y Takahashi	7	6					Y Takahashi	6^3	2
		R Statham	2	6	4			7	G Soeda	7^7	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	7^7
	WC	D-h Lee	7^7	2	3			LL	L Saville	6	1	6^1
	LL	L Saville	6^3	6	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	6	M McDonald	7^7	7^7
		Ze Zhang	6^4	6^5				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	7^7																	2	V Pospisil	6	6
		T Ito	3	7	6^4			8	J Jung	6^6	0
	Q	Renta Tokuda	6	7				Q	R Tokuda	7^8	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	7^7	2	2			2	V Pospisil	6	6
	2	V Pospisil	6^5	6	6

References

• Main Draw
• Qualifying Draw