Defending champion Carlos Alcaraz has reached the fourth round of the French Open after laboring past Damir Dzumhur 6-1, 6-3, 4-6, 6-4 in the night session.

Roland-Garros quarterfinal action officially begins Tuesday and will feature both Tommy Paul and Frances Tiafoe, who are aiming to become the first American semifinalist at Roland-Garros since Andre Agassi in 1999.

Mark Petchey believes that Carlos Alcaraz ’s show of sportsmanship may have left Ben Shelton ‘offended’. The Spaniard was praised for conceding a point during his French Open fourth-round clash before going on to secure a 7-6, 6-3, 4-6, 6-4 victory.

Nadal has left an indelible mark on the French Open -- but Swiatek, Alcaraz and others may be able to carry the legacy.

The French Open fourth round starts on Sunday with women's top seed Aryna Sabalenka and men's defending champion Carlos Alcaraz both facing American opponents, while Iga Swiatek continues her quest for a fourth straight women's singles title.

Carlos Alcaraz produced an incredible moment of sportsmanship during his French Open fourth-round showdown with Ben Shelton on Sunday. The Spaniard scraped through the first set and was at a crucial moment in the opening game of the second when he insisted on being honest, even at his own expense.