2023 Matsuyama Challenger – Singles

Hong Seong-chan was the defending champion^[1] but lost in the first round to Luca Nardi.

Singles
2023 Matsuyama Challenger
Champion	Luca Nardi
Runner-up	Taro Daniel
Score	3–6, 6–4, 6–2

Main article: 2023 Matsuyama Challenger

Nardi won the title after defeating Taro Daniel 3–6, 6–4, 6–2 in the final.^[2]

Seeds

1. Taro Daniel (final)
2. Shintaro Mochizuki (second round)
3. Luca Nardi (champion)
4. Sho Shimabukuro (second round)
5. Benjamin Hassan (quarterfinals)
6. Marc Polmans (first round)
7. Bu Yunchaokete (quarterfinals)
8. Hsu Yu-hsiou (quarterfinals)

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
	1	Taro Daniel	77	6
	Q	August Holmgren	65	2
								1	Taro Daniel	6	4	2
								3	Luca Nardi	3	6	6
	3	Luca Nardi	6	6
		Geoffrey Blancaneaux	3	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Daniel	6	6
	WC	Shunsuke Nakagawa	1	2				1	T Daniel	6	3	6
		M Echargui	6	6					M Echargui	2	6	2
		A Weber	0	3											1	T Daniel	6	3	7
		J Jung	4	6	4										8	Y-h Hsu	2	6	5
		Y Shimizu	6	2	6				Y Shimizu	4	3
		Z Kolář	2	3				8	Y-h Hsu	6	6
	8	Y-h Hsu	6	6																		1	T Daniel	77	6
	4	S Shimabukuro	5	6	6																	Q	A Holmgren	65	2
		G Fonio	7	4	4			4	S Shimabukuro	63	3
		D Ajduković	6	6					D Ajduković	77	6
		K Uchida	4	4												D Ajduković	5	6	65
		T-l Wu	4	1											Q	A Holmgren	7	3	77
	WC	Y Uchiyama	6	6				WC	Y Uchiyama	68	65
	Q	A Holmgren	6	6				Q	A Holmgren	710	77
	6	M Polmans	0	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	Y Bu	64	6	6
		M Efstathiou	77	2	2			7	Y Bu	6	5	7
	Q	Z Li	6	4	4				D Sweeny	4	7	5
		D Sweeny	2	6	6										7	Y Bu	5	3
		F Ferreira Silva	3	2											3	L Nardi	7	6
		J McCabe	6	6					J McCabe	4	4
		S-c Hong	5	6	64			3	L Nardi	6	6
	3	L Nardi	7	3	77																	3	L Nardi	6	6
	5	B Hassan	6	6																			G Blancaneaux	3	3
	Q	H Moriya	4	4				5	B Hassan	1	77	6
	Q	J Trotter	4	3				Q	B Ellis	6	64	3
	Q	B Ellis	6	6											5	B Hassan	3	2
	WC	Sho Katayama	0	4												G Blancaneaux	6	6
		G Blancaneaux	6	6					G Blancaneaux	7	6
	Q	N Nakagawa	2	2				2	S Mochizuki	5	3
	2	S Mochizuki	6	6