Stefanos Tsitsipas defeated Casper Ruud in the final, 6–1, 6–4 to win the men's singles tennis title at the 2024 Monte-Carlo Masters. It was his third Monte-Carlo Masters title and eleventh ATP Tour singles title. Tsitsipas became the fifth player in the Open Era to win three titles at the tournament, after Ilie Năstase (3), Björn Borg (3), Thomas Muster (3) and Rafael Nadal (11).