2024 Yokkaichi Challenger – Singles

Zizou Bergs was the defending champion^[1] but chose not to defend his title.

Singles
2024 Yokkaichi Challenger
Champion	Rei Sakamoto
Runner-up	Christoph Negritu
Score	1–6, 6–3, 6–4

Main article: 2024 Yokkaichi Challenger

Rei Sakamoto won the title after defeating Christoph Negritu 1–6, 6–3, 6–4 in the final.^[2]

Seeds

1. Yoshihito Nishioka (second round, withdrew)
2. Mattia Bellucci (first round)
3. Yasutaka Uchiyama (withdrew)
4. Coleman Wong (second round)
5. Omar Jasika (second round)
6. Li Tu (quarterfinals)
7. Sho Shimabukuro (second round)
8. Yuta Shimizu (quarterfinals)
9. Hsu Yu-hsiou (withdrew)

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
		Shintaro Mochizuki	2	6	4
	WC	Rei Sakamoto	6	4	6
								WC	Rei Sakamoto	1	6	6
								Q	Christoph Negritu	6	3	4
		Philip Sekulic	0	78	6r
	Q	Christoph Negritu	6	66	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Y Nishioka	6	6
	Q	H Moriya	4	3				1	Y Nishioka
		S Mochizuki	7	6					S Mochizuki	w/o
		J McCabe	5	4												S Mochizuki	6	1	6
		E Ymer	77	6											6	L Tu	4	6	4
		A Zakharov	65	4					E Ymer	4	6	4
	WC	Yua Taka	2	3				6	L Tu	6	3	6
	6	L Tu	6	6																			S Mochizuki	2	6	4
	Q	P Henning	4	3																		WC	R Sakamoto	6	4	6
	WC	R Sakamoto	6	6				WC	R Sakamoto	711	6
		D Sweeny	610	2				Alt	N Nakagawa	69	3
	Alt	N Nakagawa	712	6											WC	R Sakamoto	6	77
		K Uchida	6	6												K Uchida	4	63
	WC	K Isomura	0	1					K Uchida	2	6	6
	Q	Ryotaro Taguchi	4	1				7	S Shimabukuro	6	4	2
	7	S Shimabukuro	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	Y Shimizu	7	6
	LL	Alafia Ayeni	5	3				8	Y Shimizu	3	6	6
	LL	Petr Bar Biryukov	77	710				LL	P Bar Biryukov	6	3	4
		Y Demin	63	68											8	Y Shimizu	3	1
	Q	Y Takahashi	3	2												P Sekulic	6	6
		P Sekulic	6	6					P Sekulic	6	2	6
		M Imamura	6	5	4			4	C Wong	3	6	4
	4	C Wong	2	7	6																		P Sekulic	0	78	6r
	5	O Jasika	6	6																		Q	C Negritu	6	66	6
		Kris van Wyk	1	2				5	O Jasika	4	6	4
		B Hassan	6	5	6				B Hassan	6	0	6
	Q	J Paul	3	7	2											B Hassan	1r
		T-l Wu	4	3											Q	C Negritu	4
		F Cinà	6	6					F Cinà	5	2
	Q	C Negritu	61	6	7			Q	C Negritu	7	6
	2	M Bellucci	77	2	5