2025 Open Quimper Bretagne

Country	Player	Rank1	Seed
FRA	Adrian Mannarino	75	1
BRA	Thiago Seyboth Wild	79	2
CRO	Borna Ćorić	87	3
FIN	Otto Virtanen	93	4
ITA	Mattia Bellucci	100	5
USA	Aleksandar Kovacevic	109	6
KAZ	Mikhail Kukushkin	110	7
SRB	Laslo Djere	114	8

• ¹ Rankings are as of 13 January 2025.^[3]

The following players received wildcards into the singles main draw:

• Arthur Géa
• Adrian Mannarino
• Benoît Paire

The following players received entry into the singles main draw as alternates:

• Ugo Blanchet
• Matteo Martineau

The following players received entry from the qualifying draw:

• Ričardas Berankis
• Mika Brunold
• Sascha Gueymard Wayenburg
• Kyrian Jacquet
• Stefan Kozlov
• Vitaliy Sachko

• Sascha Gueymard Wayenburg def. Pierre-Hugues Herbert 6–7^(3–7), 6–1, 6–2.

• Sadio Doumbia / Fabien Reboul def. Romain Arneodo / Manuel Guinard 6–2, 4–6, [10–3].