2023 Good to Great Challenger – Singles

This was the first edition of the tournament.^[1]

Singles
2023 Good to Great Challenger
Champion	Maximilian Marterer
Runner-up	Brandon Nakashima
Score	2–6, 6–4, 6–3

Main article: 2023 Good to Great Challenger

Maximilian Marterer won the title after defeating Brandon Nakashima 2–6, 6–4, 6–3 in the final.

Seeds

1. Hugo Gaston (first round)
2. Maximilian Marterer (champion)
3. Flavio Cobolli (semifinals)
4. David Goffin (quarterfinals)
5. Hamad Medjedovic (second round)
6. Maxime Cressy (quarterfinals)
7. Radu Albot (quarterfinals)
8. Brandon Nakashima (final)

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
	Q	Alexander Blockx	1	2
	8	Brandon Nakashima	6	6
								8	Brandon Nakashima	6	4	3
								2	Maximilian Marterer	2	6	6
	3	Flavio Cobolli	2	0
	2	Maximilian Marterer	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	H Gaston	6	4	4
		C Moutet	2	6	6				C Moutet	66	1
	Q	A Blockx	3	6	77			Q	A Blockx	78	6
	Q	M Neuchrist	6	1	63										Q	A Blockx	6	6
		J Menšík	6	77												J Menšík	3	0
	WC	M Dahlin	2	63					J Menšík	4	77	710
		S Travaglia	4	3				5	H Medjedovic	6	62	68
	5	H Medjedovic	6	6																		Q	A Blockx	1	2
	4	D Goffin	6	6																		8	B Nakashima	6	6
	Q	M Möller	3	2				4	D Goffin	7	7
		L Riedi	62	6	4			Q	A Kachmazov	5	5
	Q	A Kachmazov	77	2	6										4	D Goffin	2	62
		D Yevseyev	6	6											8	B Nakashima	6	77
	WC	K Friberg	2	3					D Yevseyev	4	2
		J Choinski	4	2				8	B Nakashima	6	6
	8	B Nakashima	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	R Albot	4	6	6
		F Passaro	6	3	4			7	R Albot	6	6
		M Kukushkin	2	1				Alt	O Krutykh	4	2
	Alt	O Krutykh	6	6											7	R Albot	4	65
	WC	L Borg	6	4	0										3	F Cobolli	6	77
		G Onclin	2	6	6				G Onclin
		GA Bailly	4	1				3	F Cobolli	w/o
	3	F Cobolli	6	6																		3	F Cobolli	2	0
	6	M Cressy	6	77																		2	M Marterer	6	6
		J De Loore	3	61				6	M Cressy	6	65	7
	Q	E Møller	4	1					D Džumhur	3	77	5
		D Džumhur	6	6											6	M Cressy	4	6	1
		A Fery	6	2	6										2	M Marterer	6	4	6
	Q	M Brunold	4	6	2				A Fery	65	1
		O Otte	3	0				2	M Marterer	77	6
	2	M Marterer	6	6