Olympic tennis: Order of play - day four

It's a star-studded schedule at the All England Club on Tuesday as the Olympic tennis enters its fourth day of play.

Andy Murray, Novak Djokovic and Maria Sharapova are all due to appear on Centre Court, while Jo-Wilfried Tsonga, Victoria Azarenka and David Ferrer are also in action across SW19.

Here, Sports Mole brings you the order of play on day four of the Olympic tennis tournament.

Please note that all matches are second round.

Centre Court (12pm start) Venus Williams vs. Aleksandra Wozniack Jarkko Nieminen vs. Andy Murray Andy Roddick vs. Novak Djokovic Laura Robson vs. Maria Sharapova

Court 1 (12pm start) Jo-Wilfried Tsonga vs. Milos Raonic Maria Kirilenko vs. Heather Watson Victoria Azarenka vs. Maria Jose Martinez Sanchez David Ferrer vs. Blaz Kavcic

Court 2 (11.30am start) Sabine Lisicki vs. Yaroslava Shvedova Marin Cilic vs. Lleyton Hewitt Kerber/Lisicki vs. Williams/Williams Erlich/Ram vs. Federer/Wawrinka

Court 12 (11.30am start) Klepac/Srebotnik vs. Errani vs. Vinci Varvara Lepchenko vs. Julia Goerges TBC vs. Melo/Soares Goerges/Gronefeld vs. Makarova/Vesnina

Court 14 (11.30am start) Timea Babos vs. Angelique Kerber Nikolay Davydenko vs. Kei Nishikori Huber/Raymond vs. Radwanska/Radwanska Brunstrom/Lindstedt vs. Cilic Dodig

Court 15 (1pm start) Hlavackova/Hradecka vs. Li/Zhang Benneteau/Gasquet vs. Bhupati/Bopanna Paes/Vardhan vs. Llodra/Tsonga

Court 17 (2pm start) Tipsarevic/Zimonjic vs. Nestor/Pospisil Chuang/Hsieh vs. TBC

Court 18 (11.30am start) Richard Gasquet vs. Marcos Baghdatis Anna Tatishvili vs. Nadia Petrova Feliciano Lopez vs. Juan Monaco Bryan/Bryan vs. Davydenko/Youzhny