Day one results

Men's singles, 1st rd (selected): Novak Djokovic (Srb) bt Chung Hyeon (Kor) 6-3 6-2 6-4, Gilles Simon (Fra) bt Vasek Pospisil (Can) 6-7 (4-7) 6-3 6-2 6-4, Kei Nishikori (Jpn) bt Philipp Kohlschreiber (Ger) 6-4 6-3 6-3, Roger Federer (Sui) bt Nikoloz Basilashvili (Geo) 6-2 6-1 6-2, Grigor Dimitrov (Bul) bt Paolo Lorenzi (Ita) 6-3 7-6 (10-8) 6-3, Dominic Thiem (Aut) bt Leonardo Mayer (Arg) 6-2 7-6 (8-6), 4-6, 7-6 (7-0), David Goffin (Bel) bt Sergiy Stakhovsky (Ukr) 3-6 6-3 6-4 6-4, Marin Cilic (Cro) bt Thiemo de Bakker (Ned) 6-7 (4-7) 7-5 6-2 6-4, Tomas Berdych (Cze) bt Yuki Bhambri (Ind) 7-5 6-1 6-2, Nick Kyrgios (Aus) bt Pablo Carreno Busta (Esp) 6-2 7-5 6-2, Roberto Bautista Agut (Esp) bt Martin Klizan (Svk) 6-2 6-3 4-6 2-6 6-2, Jo-Wilfried Tsonga (Fra) bt Marcos Baghdatis (Cyp) 6-4 4-6 6-4 6-2.

Women's singles, 1st rd (selected): Serena Williams (USA) bt Camila Giorgi (Ita) 6-4 7-5, Margarita Gasparyan (Rus) bt Sara Errani (Ita) 1-6 7-5 6-1, Yulia Putintseva (Kaz) bt Caroline Wozniacki (Den) 1-6 7-6 (7-3) 6-4, Belinda Bencic (Sui) bt Alison Riske (USA) 6-4 6-3, Svetlana Kuznetsova (Rus) bt Daniela Hantuchova (Svk) 6-0 6-2, Lauren Davis (USA) bt Anastasia Pavlyuchenkova (Rus) 1-6 6-3 6-4, Maria Sharapova (Rus) bt Nao Hibino (Jpn) 6-1 6-3, Eugenie Bouchard (Can) bt Aleksandra Krunic (Srb) 6-3 6-4, Agnieszka Radwanska (Pol) bt Christina McHale (USA) 6-2 6-3, Wang Qiang (Chn) bt Sloane Stephens (USA) 6-3 6-3, Roberta Vinci (Ita) bt Tamira Paszek (Aut) 6-4 6-2, Elizaveta Kulichkova (Rus) bt Andrea Petkovic (Ger) 7-5 6-4, Kristina Mladenovic (Fra) bt Dominika Cibulkova (Svk) 6-3 6-4, Petra Kvitova (Cze) bt Luksika Kumkhum (Tha) 6-3 6-1, Kristyna Pliskova (Cze) bt Samantha Stosur (Aus) 6-4, 7-6 (8-6).

A version of this article appeared in the print edition of The Straits Times on January 19, 2016, with the headline 'Day one results'. Print Edition | Subscribe