Iga Swiatek

Defending champion Iga Swiatek held off a fierce challenge from Ukraine's Marta Kostyuk to reach the French Open quarter-finals with a 6-3 6-4 victory on Monday. The eighth-seeded Pole has now won 22 consecutive sets at Roland Garros going into her clash with Greek 17th seed Maria Sakkari as she bids to become the first woman to retain theRoland Garros title since Justine Henin in 2007. Against an 18-year-old opponent who threw everything at her, Swiatek kept her composure on an empty court

Iga Swiatek returns to the scene of her biggest triumph on Monday when she starts her French Open defence against unseeded Kaja Juvan, while Serena Williams will resume her quest for a 24th major in the night session on Court Philippe Chatrier. Swiatek, who turns 20 on Monday, was catapulted into the spotlight at Roland Garros last year when she became Poland's first Grand Slam singles champion and the youngest woman to capture the title in Paris since Monica Seles in 1992. She