Intense, brilliant, dramatic, and controversial-all the ingredients of a headline-grabbing encounter-the quarterfinal battle between Lorenzo Musetti and Frances Tiafoe at the 2025 French Open. But it was an unforeseen occurrence with a line judge that lit social media and sparked an argument on tennis’s code of conduct instead of the Italian tennis star’s shotmaking or

No. 8 Lorenzo Musetti defeated No. 15 Frances Tiafoe 6-2, 4-6, 7-5, 6-2 in the French Open quarterfinals on Tuesday at Roland-Garros.

Lorenzo Musetti advanced to his first semifinals appearance at the French Open Tuesday with a four-set win over Frances Tiafoe. Musetti held off Tiafoe despite receiving an unsportsmanlike conduct warning in the second set after inadvertently hitting a line judge with a ball he kicked toward the back wall at Roland-Garros out of frustration.