MELBOURNE, Australia (AP) A look at the fourth day of the Australian Open tennis championships on Thursday:

WEATHER: Sunny with a high temperature of 106 degrees. Friday Forecast: Cool overnight change, high of 77.

ATTENDANCE: Day session: 35,711. Night: 19,960. TOTAL: 55,671.

WINNERS: Men's singles: No. 2 Roger Federer, No. 3 Andy Murray, No. 6 Juan Martin del Potro, No. 7 Jo-Wilfried Tsonga, No. 9 Richard Gasquet, No. 12 Marin Cilic, No. 13 Milos Raonic, No. 14 Gilles Simon, No. 17 Philipp Kohlschreiber, No. 21 Andreas Seppi. Women's singles: No. 1 Victoria Azarenka, No. 3 Serena Williams, No. 10 Caroline Wozniacki, No. 14 Maria Kirilenko, No. 16 Roberta Vinci, No. 20 Yanina Wickmayer, No. 29 Sloane Stephens.

LOSERS: Men's singles: No. 25 Florian Mayer, No. 30 Marcel Granollers. Women's singles: No. 8 Petra Kvitova, No. 17 Lucie Safarova, No. 21 Varvara Lepchenko, No. 26 Hsieh Su-wei.

STAT OF THE DAY: 23 - Number of double faults, including three on match point, by Gael Monfils in his five-set win over Lu Yen-hsun.

QUOTE OF THE DAY - ``I wanted to finish with an ace so I wouldn't have to play the point'- a tired Monfils on his finish-at-all-costs approach to his match against Lu.

PLAYING FRIDAY: No. 1 Novak Djokovic, No. 4 David Ferrer; No. 2 Maria Sharapova, No. 6 Li Na, No. 26 Venus Williams.