2024 Brest Challenger – Singles

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

Singles
2024 Brest Challenger
Champion	Otto Virtanen
Runner-up	Benjamin Bonzi
Score	6–4, 4–6, 7–6(8–6)

Main article: 2024 Brest Challenger

Otto Virtanen won the title after defeating Benjamin Bonzi 6–4, 4–6, 7–6^(8–6) in the final.^[2]

Seeds

1. Hugo Gaston (withdrew)
2. Damir Džumhur (second round)
3. Harold Mayot (first round)
4. Mattia Bellucci (withdrew)
5. Billy Harris (second round)
6. Mikhail Kukushkin (quarterfinals)
7. Laslo Djere (first round)
8. Otto Virtanen (champion)

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
		Benjamin Bonzi	65	77	77
	Alt	Alibek Kachmazov	77	63	64
									Benjamin Bonzi	4	6	66
								8	Otto Virtanen	6	4	78
	LL	Benjamin Hassan	3	5
	8	Otto Virtanen	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	Q	C Hemery	5	3
		B Bonzi	7	6					B Bonzi	5	77	6
	Q	MH Rehberg	7	3	3				P-H Herbert	7	64	3
		P-H Herbert	5	6	6											B Bonzi	6	68	6
		J Fonseca	6	7												J Fonseca	4	710	4
		K Majchrzak	4	5					J Fonseca	6	6
	Q	Alexis Gautier	2	3				5	B Harris	4	2
	5	B Harris	6	6																			B Bonzi	65	77	77
	3	H Mayot	6	3	63																	Alt	A Kachmazov	77	63	64
	Alt	A Kachmazov	2	6	77			Alt	A Kachmazov	3	6	6
	Q	Z Piros	6	711				Q	Z Piros	6	4	1
		T Droguet	4	69											Alt	A Kachmazov	6	6
	Alt	C Taberner	64	2											6	M Kukushkin	3	2
		G Barrère	77	6					G Barrère	1	3
		E Butvilas	4	6	63			6	M Kukushkin	6	6
	6	M Kukushkin	6	4	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	L Djere	65	4
		M Landaluce	77	6					M Landaluce	2	77	2
	LL	A Andreev	5	6	4			LL	B Hassan	6	62	6
	LL	B Hassan	7	4	6										LL	B Hassan	6	6
		H Grenier	6	6											Q	J Paul	4	3
		R Collignon	4	4					H Grenier	4	2
	WC	M Guinard	3	4				Q	J Paul	6	6
	Q	J Paul	6	6																		LL	B Hassan	3	5
	8	O Virtanen	3	7	6																	8	O Virtanen	6	7
	WC	A Géa	6	5	3			8	O Virtanen	6	6
	Q	A Vatutin	0	6	5			WC	M Martineau	3	2
	WC	M Martineau	6	4	7										8	O Virtanen	77	6
	Alt	Em Nava	3	5												L Van Assche	61	4
		L Van Assche	6	7					L Van Assche	7	7
	LL	A Shelbayh	1	1				2	D Džumhur	5	5
	2	D Džumhur	6	6