2019 Kobe Challenger – Singles

Tatsuma Ito was the defending champion^[1] but retired in the second round to Tseng Chun-hsin.

Singles
2019 Kobe Challenger
Champion	Yosuke Watanuki
Runner-up	Yūichi Sugita
Score	6–2, 6–4

Main article: 2019 Kobe Challenger

Yosuke Watanuki won the title after defeating Yūichi Sugita 6–2, 6–4 in the final.

Seeds

All seeds receive a bye into the second round.

1. Yasutaka Uchiyama (second round, retired)
2. Yūichi Sugita (final)
3. Go Soeda (quarterfinals)
4. James Duckworth (second round)
5. Tatsuma Ito (second round, retired)
6. Zhang Zhizhen (withdrew)
7. Enrique López Pérez (second round)
8. Jay Clarke (third round)
9. Ramkumar Ramanathan (quarterfinals)
10. Bai Yan (second round)
11. Hiroki Moriya (quarterfinals)
12. Wu Tung-lin (second round)
13. Li Zhe (second round)
14. Akira Santillan (second round, retired)
15. Lee Duck-hee (second round)
16. Nam Ji-sung (quarterfinals, retired)

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

	Quarterfinals							Semifinals							Final
	16	Nam Ji-sung	4	2r
		Yosuke Watanuki	6	2
									Yosuke Watanuki	6	6
									Tim van Rijthoven	1	2
	3	Go Soeda	3	6	66
		Tim van Rijthoven	6	3	78
																Yosuke Watanuki	6	6
															2	Yūichi Sugita	2	4
	11	Hiroki Moriya	3	64
		Shintaro Imai	6	77
									Shintaro Imai	3	6	1
								2	Yūichi Sugita	6	4	6
	9	Ramkumar Ramanathan	2	3
	2	Yūichi Sugita	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	Y Uchiyama	5	2r
	WC	Yuki Mochizuki	2	6	3			WC	Y Mochizuki	7	3
		Makoto Ochi	6	2	0r										WC	Y Mochizuki	3	6	1
		B Patael	6	6											16	J-s Nam	6	1	6
		Shuichi Sekiguchi	3	2					B Patael	2	4
								16	J-s Nam	6	6
																						16	J-s Nam	4	2r
																							Yo Watanuki	6	2
								10	Y Bai	3	1
	LL	Kazuki Nishiwaki	3	4					Yo Watanuki	6	6
		Yo Watanuki	6	6												Yo Watanuki	6	6
	Q	T Khabibulin	0	2											WC	T Ichikawa	2	1
	WC	T Ichikawa	6	6				WC	T Ichikawa	5	6	78
								7	E López Pérez	7	2	66

Section 2

	First round							Second round							Third round							Quarterfinals
								3	G Soeda	78	6
		A Kadhe	68	3					P Niklas-Salminen	66	2
		P Niklas-Salminen	710	6											3	G Soeda	0	6	7
	Alt	Takashi Saito	61	3												S Shimabukuro	6	3	5
		S Shimabukuro	77	6					S Shimabukuro	3	77	6
								13	Z Li	6	65	4
																						3	G Soeda	3	6	66
																							T van Rijthoven	6	3	78
								12	T-l Wu	77	4	63
		T van Rijthoven	6	6					T van Rijthoven	62	6	77
		G Oliveira	1	4												T van Rijthoven	77	710
		B Klein	64	3												L Saville	62	68
		L Saville	77	6					L Saville	6	6
								Alt	Ken Onishi	2	2

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	T Ito	3	0r
		C-h Tseng	6	6					C-h Tseng	6	3
		B Sant'Anna	3	0												C-h Tseng	5	2
	LL	Ren Nakamura	64	0											11	H Moriya	7	6
	WC	S Hazawa	77	6				WC	S Hazawa	65	4
								11	H Moriya	77	6
																						11	H Moriya	3	64
																							S Imai	6	77
								15	D-h Lee	4	2
		Shintaro Imai	6	6					S Imai	6	6
	WC	S Watanabe	4	2												S Imai	3	6	6
		Renta Tokuda	6	6												R Tokuda	6	3	2
	Q	Yuta Kawahashi	3	1					R Tokuda	6	6
								4	J Duckworth	2	2

Section 4

	First round							Second round							Third round							Quarterfinals
								8	J Clarke	6	3	6
	WC	Ryota Tanuma	6	4	78			WC	R Tanuma	3	6	3
		T Niki	3	6	66										8	J Clarke	3	3
	PR	B Mousley	2	3r											9	R Ramanathan	6	6
		Jumpei Yamasaki	6	4					J Yamasaki	4	1
								9	R Ramanathan	6	6
																						9	R Ramanathan	2	3
																						2	Y Sugita	6	6
								14	A Santillan	6	4	0r
		T-h Yang	2	3					T Gabashvili	3	6	0
		T Gabashvili	6	6												T Gabashvili	77	3	3
		Y-s Chung	77	77											2	Y Sugita	64	6	6
		Y Takahashi	63	61					Y-s Chung	1	4
								2	Y Sugita	6	6