Results from day one of the Australian Open at Melbourne Park on Monday: Men's singles 1st rd Frances Tiafoe (USA) bt Stefano Travaglia (ITA) 7-6 (7/5), 6-2, 6-2 Reilly Opelka (USA) bt Lu Yen-hsun (TPE) 6-3, 7-6 (7/2), 6-3 Taylor Fritz (USA x27) bt Albert Ramos (ESP) 7-6 (8/6), 3-6, 6-2, 7-6 (8/6) Stanislas Wawrinka (SUI x17) bt Pedro Sousa (POR) 6-3, 6-2, 6-4 Marton Fucsovics (HUN) bt Marc Polmans (AUS) 4-6, 6-3, 6-1, 6-7 (3/7), 6-3 Corentin Moutet (FRA) bt John Millman (AUS) 6-4, 6-7 (4/7), 3-6, 6-2, 6-3 Milos Raonic (CAN x14) bt Federico Coria (ARG) 6-3, 6-3, 6-2 Emil Ruusuvuori (FIN) bt Gael Monfils (FRA x10) 3-6, 6-4, 7-5, 3-6, 6-3 Pedro Martinez (ESP) bt Yoshihito Nishioka (JPN) 6-7 (3/7), 6-1, 6-1, 6-1 Alexander Bublik (KAZ) bt Aljaz Bedene (SLO) 6-4, 7-5, 5-7, 6-4 Adrian Mannarino (FRA x32) bt Dennis Novak (AUT) 6-2, 6-4, 7-6 (7/2) Miomir Kecmanovic (SRB) bt Kamil Majchrzak (POL) 6-2, 6-4, 6-3 Alexander Zverev (GER x6) bt Marcos Giron (USA) 6-7 (8/10), 7-6 (7/5), 6-3, 6-2 Dominic Thiem (AUT x3) bt Mikhail Kukushkin (KAZ) 7-6 (7/2), 6-2, 6-3 Dominik Koepfer (GER) bt Hugo Dellien (BOL) 7-5, 6-2, 6-4 Ugo Humbert (FRA x29) bt Yasutaka Uchiyama (JPN) 6-3, 6-4, 6-7 (3/7), 6-3 Grigor Dimitrov (BUL x18) bt Marin Cilic (CRO) 6-4, 6-2, 7-6 (7/5) Alex Bolt (AUS) bt Norbert Gombos (SVK) 6-2, 6-2, 4-6, 6-3 Jiri Vesely (CZE) bt Kimmer Coppejans (BEL) 6-4, 3-6, 6-7 (3/7), 6-3, 6-3 Pablo Carreno-Busta (ESP x15) bt Kei Nishikori (JPN) 7-5, 7-6 (7/4), 6-2 Bernard Tomic (AUS) bt Yuichi Sugita (JPN) 3-6, 6-1, 4-1 abandon James Duckworth (AUS) bt Damir Dzumhur (BIH) 6-3, 6-2, 6-4 Felix Auger-Aliassime (CAN x20) bt Cedrik-Marcel Stebe (GER) 6-2, 6-4, 6-2 Egor Gerasimov (BLR) bt Benoît Paire (FRA x25) 6-2, 2-6, 7-6 (7/5), 7-5 Aslan Karatsev (RUS) bt Gianluca Mager (ITA) 6-3, 6-3, 6-4 Alexandre Muller (FRA) bt Juan Ignacio Londero (ARG) 4-6, 6-3, 6-0, 6-3 Diego Schwartzman (ARG x8) bt Elias Ymer (SWE) 7-6 (7/3), 6-4, 2-6, 6-2 Women's singles 1st rd Bianca Andreescu (CAN x8) bt Mihaela Buzarnescu (ROM) 6-2, 4-6, 6-3 Su-Wei Hsieh (TPE) bt Tsvetana Pironkova (BUL) 7-5, 6-2 Venus Williams (USA) bt Kirsten Flipkens (BEL) 7-5, 6-2 Sara Errani (ITA) bt Qiang Wang (CHN x30) 2-6, 6-4, 6-4 Marketa Vondrousova (CZE x19) bt Rebecca Peterson (SWE) 2-6, 7-5, 7-5 Rebecca Marino (CAN) bt Kimberly Birrell (AUS) 6-0, 7-6 (11/9) Sorana Cirstea (ROM) bt Patricia Tig (ROM) 6-2, 6-1 Petra Kvitova (CZE x9) bt Greet Minnen (BEL) 6-3, 6-4 Zarina Diyas (KAZ) bt Tamara Zidansek (SLO) 6-2, 7-5 Bernarda Pera (USA) bt Angelique Kerber (GER x23) 6-0, 6-4 Ons Jabeur (TUN x27) bt Andrea Petkovic (GER) 6-3, 3-6, 6-4 Anna Karolina Schmiedlova (SVK) bt Mayo Hibi (JPN) 7-6 (7/2), 6-4 Caroline Garcia (FRA) bt Polona Hercog (SLO) 7-6 (8/6), 6-3 Naomi Osaka (JPN x3) bt Anastasia Pavlyuchenkova (RUS) 6-1, 6-2 Darya Kasatkina (RUS) bt Katie Boulter (GBR) 6-1, 6-4 Alize Cornet (FRA) bt Valeria Savinykh (RUS) 6-2, 4-6, 7-6 (10/7) Anastasia Potapova (RUS) bt Alison Riske (USA x24) 6-2, 6-1 Timea Babos (HUN) bt Ysaline Bonaventure (BEL) 7-6 (7/0), 6-4 Nina Stojanovic (SRB) bt Irina Begu (ROM) 6-3, 6-4 Serena Williams (USA x10) bt Laura Siegemund (GER) 6-1, 6-1 Iga Swiatek (POL x15) bt Arantxa Rus (NED) 6-1, 6-3 Camila Giorgi (ITA) bt Yaroslava Shvedova (KAZ) 6-3, 6-3 Fiona Ferro (FRA) bt Katerina Siniaková (CZE) 6-7 (5/7), 6-2, 6-4 Veronika Kudermetova (RUS x32) bt Marta Kostyuk (UKR) 6-2, 7-6 (7/5) Varvara Gracheva (RUS) bt Anna Blinkova (RUS) 6-1, 3-6, 7-6 (10/7) Ajla Tomljanovic (AUS) bt Misaki Doi (JPN) 6-2, 6-1 Simona Halep (ROM x2) bt Lizette Cabrera (AUS) 6-2, 6-1 afp