The Olympics tennis tournament is into the quarter-finals stage and there are some big ties on day six.

Sports Mole brings you the order of play on all courts at the All England Club.

Centre Court (12pm start) - all quarter-finals
Victoria Azarenka vs. Angelique Kerber
Jo-Wilfried Tsonga vs. Novak Djokovic
Roger Federer vs. John Isner
Kim Clijsters vs. Maria Sharapova

Court 1 (12pm start)
Nicolas Almagro vs. Andy Murray - quarter-finals
Serena Williams vs. Caroline Wozniacki - quarter-finals
Kei Nishikori vs. Juan Martin Del Potro - quarter-finals
Robson/Murray vs. Hradecka/Stepanek - first round

Court 2 (11.30am start)
Bryan/Bryan vs. Erlich/Ram - quarter-finals
Petra Kvitova vs. Maria Kirilenko - quarter-finals
Lisicki/Kas vs. Huber/Bryan - first round
Williams/Williams vs. Errani/Vinci - quarter-finals

Court 14 (2pm start)
Cilic/Dodig vs. Ferrer/Lopez - quarter-finals
Peng/Zheng vs. Kirilenko/Petrova - quarter-finals
Mirza/Paes vs. Ivanovic/Zimonjic - first round

Court 18 (11.30am start) - all quarter-finals
Hlavackova/Hradecka vs. Chuang/Hsieh
Tipsarevic/Zimonjic vs. Benneteau/Gasquet
Melo/Soares vs. Llodra/Tsonga