PLAYER OF THE DAY Roger Federer - the peerless Swiss extended his record of grand slam semi-final appearances in the professional era to 40 - nine clear of Jimmy Connors - with a straight-sets demolition job on Tomas Berdych
KEY MOMENT A linesman will never forget coming off second-best after copping a 195km/h rocket serve from Berdych in the worst possible spot. Presumably, he then called the serve out with a high-pitched voice 
STAT OF THE DAY Six from six. That's Serena Williams' remarkable record of converting semi-final appearances into titles at Melbourne Park. Few would bet against her making it seven from seven this year
TOURNAMENT SUMMARY Federer does what he does, advancing to yet another major semi-final. On the women's side, Poland's Agnieszka Radwanska is the last woman standing between Williams and yet another grand slam decider
QUOTE OF THE DAY 'It's motivating because she's at a different level. She makes you go back to the drawing board' Maria Sharapova tries extremely hard to find something positive in her 18th straight loss to Serena Williams RESULTS MEN'S QUARTERS 3-Roger Federer (SUI) bt 6-Tomas Berdych (CZE) 7-6(4) 6-2 6-4 WOMEN'S QUARTERS 1-Serena Williams (USA) bt 5-Maria Sharapova (RUS) 6-4 6-1. 4-Agnieszka Radwanska (POL) bt 10-Carla Suarez (ESP) 6-1 6-3.
MEN'S DOUBLES QUARTERS 7-Jamie Murray (GBR)/Bruno Soares (BRA) bt 13-Raven Klaasen (RSA)/Rajeev Ram (USA) 6-7(3) 6-4 7-6(3).
Daniel Nestor (CAN)/Radek Stepanek (CZE) bt 14-Treat Huey (PHI)/Max Mirnyi (BLR) 6-4 6-4.
Adrian Mannarino/Lucas Pouille (FRA) bt 1-Jean-Julien Rojer (NED)/Horia Tecau (ROU) 7-6(5) 6-7(2) 6-4. 16-Pablo Cuevas (URU)/Marcel Granollers (ESP) bt 9-Vasek Pospisil (CAN)/Jack Sock (USA) 5-7 6-1 6-2.
WOMEN'S DOUBLES QUARTERS 13-Julia Goerges (GER)/Karolina Pliskova (CZE) bt Vania King (USA)/Alla Kudryavtseva (RUS) 6-2 6-4. 1-Martina Hingis (SUI)/Sania Mirza (IND) bt 12-Anna-Lena Gronefeld (GER)/CoCo Vandeweghe (USA) 6-2 4-6 6-1.
7-Andrea Hlavackova/Lucie Hradecka (CZE) bt 2-Chan Yung-Jan/Chan Hao-Ching (TPE) 2-6 7-5 6-3.
TODAY'SSCHEDULE RODLAVERARENA 11am: 7-Angelique Kerber (GER) v 14-Victoria Azarenka (BLR)Not Before 12.30pm: Johanna Konta (GBR) v Shuai Zhang (CHN) Not Before 2.30pm: 8-David Ferrer (ESP) v 2-Andy Murray (GBR). 7.30pm: 23-Gael Monfils (FRA) v 13-Milos Raonic (CAN), 1-Martina Hingis (SUI)/Sania Mirza (IND) v 13-Julia Goerges (GER)/K Pliskova (CZE)