Singles
2023 Yokkaichi Challenger
Champion	Zizou Bergs
Runner-up	Michael Mmoh
Score	6–2, 7–6(7–2)

Yosuke Watanuki was the defending champion^[1] but lost in the second round to Giovanni Fonio.

Zizou Bergs won the title after defeating Michael Mmoh 6–2, 7–6^(7–2) in the final.

Seeds

Draw

Finals

	Semifinals							Final
	5	Marc Polmans	5	4
	4	Zizou Bergs	7	6
								4	Zizou Bergs	6	77
								3	Michael Mmoh	2	62
	3	Michael Mmoh	6	6
		Coleman Wong	2	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	Y Watanuki	6	6
		Y Shimizu	3	4				1	Y Watanuki	6	2	5
		G Fonio	4	77	77				G Fonio	3	6	7
		K Ivanovski	6	65	65											G Fonio	1	78	2
		C İlkel	4	5											5	M Polmans	6	66	6
		M Echargui	6	7					M Echargui	7	2	2
	WC	R Noguchi	3	4				5	M Polmans	5	6	6
	5	M Polmans	6	6																		5	M Polmans	5	4
	4	Z Bergs	5	6	6																	4	Z Bergs	7	6
		A Çelikbilek	7	2	4			4	Z Bergs	6	6
		K Uchida	78	2	6				K Uchida	4	3
	Q	J-s Nam	66	6	1										4	Z Bergs	6	7
		S-c Hong	79	4	2										Q	J Trotter	3	5
		O Jasika	67	6	6				O Jasika	6	2	4
	Q	J Trotter	77	6				Q	J Trotter	2	6	6
	8	Y-h Hsu	65	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	L Riedi	2	2
		L Tu	6	6					L Tu	6	78
	LL	Yuki Mochizuki	0	4					G Blancaneaux	3	66
		G Blancaneaux	6	6												L Tu	3	3
	Q	H Moriya	6	6											3	M Mmoh	6	6
	Q	T Ito	3	2				Q	H Moriya	64	0
	WC	Renta Tokuda	2	3				3	M Mmoh	77	6
	3	M Mmoh	6	6																		3	M Mmoh	6	6
	6	Z Kolář	6	5	6																		C Wong	2	2
		Mathys Erhard	1	7	2			6	Z Kolář	4	2
	Q	Y Takahashi	3	3				Q	A Holmgren	6	6
	Q	A Holmgren	6	6											Q	A Holmgren	6	5	4
		N Nakagawa	2	77	4											C Wong	4	7	6
		C Wong	6	65	6				C Wong	6	6
	WC	Rei Sakamoto	6	6				WC	R Sakamoto	3	2
	2	J Rodionov	4	4

References

External links

• Main draw
• Qualifying draw