2018 Kobe Challenger – Singles

Stéphane Robert was the defending champion but chose not to defend his title.

Singles
2018 Kobe Challenger
Champion	Tatsuma Ito
Runner-up	Yosuke Watanuki
Final score	3–6, 7–5, 6–3

Main article: 2018 Kobe Challenger

Tatsuma Ito won the title after defeating Yosuke Watanuki 3–6, 7–5, 6–3 in the final.

Seeds

1. Yoshihito Nishioka (Semifinals)
2. Tatsuma Ito (Champion)
3. Hiroki Moriya (Quarterfinals)
4. Go Soeda (Quarterfinals)
5. Lee Duck-hee (Withdrew)
6. Yasutaka Uchiyama (Semifinals)
7. Yosuke Watanuki (Final)
8. Kwon Soon-woo (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

Finals

	Semifinals							Final
	1	Yoshihito Nishioka	0	6	5
	7	Yosuke Watanuki	6	4	7
								7	Yosuke Watanuki	6	5	3
								2	Tatsuma Ito	3	7	6
	6	Yasutaka Uchiyama	6	0	4
	2	Tatsuma Ito	4	6	6

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	Y Nishioka	7	6
		M Echargui	5	1				1	Y Nishioka	6	7^7
	Q	A Vukic	6	6				Q	A Vukic	2	6^2
	Q	C Sinclair	1	1											1	Y Nishioka	6	3	6
		A Santillan	6	7^8											8	S-w Kwon	1	6	4
		Makoto Ochi	3	6^6					A Santillan	2	7	6^3
		Renta Tokuda	3	6	1			8	S-w Kwon	6	5	7^7
	8	S-w Kwon	6	1	6																	1	Y Nishioka	0	6	5
	4	G Soeda	6	6																		7	Yo Watanuki	6	4	7
	WC	K Uesugi	3	1				4	G Soeda	6	7
	WC	Shinji Hazawa	3	6	3			Q	A Harris	3	5
	Q	A Harris	6	3	6										4	G Soeda	4	4
		G Oliveira	6	6											7	Yo Watanuki	6	6
		E Ruusuvuori	3	4					G Oliveira	5	0
		Z Li	4^r					7	Yo Watanuki	7	6
	7	Yo Watanuki	4

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	6	Y Uchiyama	3	6	6
		Shintaro Imai	6	3	2			6	Y Uchiyama	7^7	6
	Q	T-l Wu	6	6				Q	T-l Wu	6^0	3
	WC	Hiroyasu Ehara	3	2											6	Y Uchiyama	6	6
		J Samper Montaña	6	6											3	H Moriya	3	2
	WC	Shuichi Sekiguchi	4	1					J Samper Montaña	6	5	3
		Kim Cheong-eui	0	6^0				3	H Moriya	3	7	6
	3	H Moriya	6	7^7																		6	Y Uchiyama	6	0	4
	LL	NH Lý	6^4	7^11	6																	2	T Ito	4	6	6
		J-s Nam	7^7	6^9	2			LL	NH Lý	4	2
		Y-s Chung	7^7	7^7					Y-s Chung	6	6
		Jelle Sels	6^3	6^3												Y-s Chung	2	3
		Yuta Shimizu	6	7											2	T Ito	6	6
		Ze Zhang	1	5					Y Shimizu	6^6	1
		D Wu	4	3				2	T Ito	7^8	6
	2	T Ito	6	6

References

• Main Draw
• Qualifying Draw