The 2024 Open Saint-Brieuc Armor Agglomération was a professional tennis tournament played on hard courts. It was the 19th edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Saint-Brieuc, France between 14 and 20 October 2024.
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser: