PARIS — Carlos Alcaraz called himself for breaking the rules at the French Open and conceded a point to Ben Shelton on Sunday during the defending champion’s 7-6 (8), 6-3, 4-6, 6-4 victory in the fourth round.

Carlos Alcaraz faces a tricky test as he continues the defence of his French Open crown with a fourth-round meeting with Ben Shelton.The defending champion overcame a Friday night fright against Damir Dzumhur,

Iga Swiatek, who has struggled lately, and Carlos Alcaraz, who has not, got off to good starts in their French Open title defenses Monday.