HIGHLIGHTS-Tennis-French Open day six

Highlights of the sixth day at the French Open, the second Grand Slam tournament of the year, on Friday (all times GMT): 1309 PAIRE THROUGH AS CARRENO BUSTA RETIRES

Frenchman Benoit Paire was leading 6-2 4-6 7-6(1) against Pablo Carreno Busta when his Spanish rival retired injured. READ MORE

Second seed Pliskova slides to defeat by Martic French Open order of play on Friday

Svitolina to provide a litmus test for Muguruza FACTBOX-Garbine Muguruza v Elina Svitolina

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Del Potro claims five-set win over Nishioka Hoang writes name into Bullring legend with win

Mother Serena shows her compassionate side American Gibbs cancer-free after surgery

1228 BATTLING SEVASTOVA MOVES AHEAD Anastasija Sevastova, seeded 12th, rallied past Belgium's Elise Mertens 6-7(3) 6-4 11-9 in a clash that lasted three hours and 18 minutes on Court Suzanne-Lenglen.

Also Advancing to the next round were Lesia Tsurenko, who overcame Aleksandra Krunic 5-7 7-5 11-9, and Madison Keys, who beat Priscilla Hon 7-5 5-7 6-3. 1221 KLIZAN STOPS LOCAL HOPE POUILLE

Unseeded Martin Klizan outlasted Frenchman Lucas Pouille 7-6(4) 2-6 6-3 3-6 9-7 in a contest that resumed on Friday after it was stopped due to fading light on Thursday. The Slovakian next faces 10th seed Karen Khachanov of Russia. 1034 MARTIC STUNS PLISKOVA IN STRAIGHT SETS

Croatia's Petra Martic eased past second seed Karolina Pliskova 6-3 6-3 in the third round on Court Philippe-Chatrier to continue her fine form on clay this season with a 14th main-draw victory. 0910 PLAY BEGINS AT ROLAND GARROS

Play began under cloudy skies in Paris with the temperature hovering around 18 degrees Celsius. Showers are expected later in the evening.