The 2024 BW Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Ottignies-Louvain-la-Neuve, Belgium between 23 and 28 January 2024.

Country	Player	Rank1	Seed
CRO	Borna Ćorić	40	1
FRA	Benjamin Bonzi	106	2
SRB	Hamad Medjedovic	108	3
AUT	Jurij Rodionov	111	4
BEL	David Goffin	112	5
FRA	Benoît Paire	115	6
HUN	Zsombor Piros	126	7
USA	Brandon Nakashima	127	8

• ¹ Rankings are as of 15 January 2024.^[1]

The following players received wildcards into the singles main draw:

• Raphaël Collignon
• Borna Ćorić
• Kamil Majchrzak

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

• Franco Agamenone
• Gauthier Onclin
• Alexander Ritschard

The following players received entry from the qualifying draw:

• Adrian Andreev
• Marius Copil
• Alibek Kachmazov
• Maks Kaśnikowski
• Leandro Riedi
• Denis Yevseyev

The following player received entry as a lucky loser:

• Henri Squire

• Leandro Riedi def. Borna Ćorić 7–5, 6–2.

• Luke Johnson / Skander Mansouri def. Sander Arends / Sem Verbeek 7–5, 6–3.