Day four of Roland Garros featured round two matches – and the big names of Halep, Muguruza, Wawrinka and Murray were among the winners, but not without a few twists and surprises…
CHARGING: Sixth seed Simona Halep fought past Zarina Diyas to reach the third round; Getty Images
ONE TO WATCH: Rising Japanese star Naomi Osaka has powered into the third round in her tournament debut. She faces Simona Halep next; Getty Images
MARATHON EFFORT: Australian Jordan Thompson pushed Croatia’s Ivo Karlovic to five sets, losing a heartbreaker 10-8 in the fifth; Getty Images
MILESTONE WIN: Czech Petra Kvitova’s second round win over Su-Wei Hsieh was the 300th of her career; Getty Images
IMPRESSIVE: Japan’s Kei Nishikori scored a comprehensive win over Russian Alexander Kuznetsov; Getty Images
ON A ROLL: Last year’s finalist Lucie Safarova brushed aside Viktorija Golubic to reach the third round; Getty Images
ADVANCING: Defending champion Stan Wawrinka serves it up to Taro Daniel; Getty Images
CLINICAL: Fourth seed Garbine Muguruza of Spain dropped only two games in her second round match; Getty Images
RESPECT: World No.2 Andy Murray shakes hands with French wildcard Mathias Bourgue at the net following their five-set battle; Getty Images
IN FORM: German Annika Beck fires a backhand in her three-set win over Kateryna Bondarenko; Getty Images
DETERMINED: Former finalist Sam Stosur slices a backhand in her victory over doubles partner Zhang Shuai; Getty Images
POWERING ON: Milos Raonic won in straight sets against Frenchman Adrian Mannarino; Getty Images
GIVING IT HER ALL: Frenchwoman Caroline Garcia served it up in her second round, but proved no match for World No.2 Agnieszka Radwanska; Getty Images
WHAT IS GOING ON? Russia’s Anastasia Pavlyuchenkova does things her way against Turkey’s Cagla Buyukakcay; Getty Images
FOCUSED: Australian Nick Kyrgios needed only 70 minutes to dismantle Dutchman Igor Sijsling; Getty Images
EPIC: Romanian Irina-Camelia Begu need more than three and a half hours to battle past American CoCo Vandeweghe; Getty Images
FIGHTING BACK: Gilles Simon of France came from two-sets down to beat Argentinean Guido Pella; Getty Images
STRETCHED: Sloane Stephens reaches for a forehand in her second round win; Getty Images