Results on day one of the Australian Open Grand Slam at Melbourne Park on Monday:

Men's singles

1st round

Matteo Berrettini (ITA x8) bt Andrew Harris (AUS) 6-3, 6-1, 6-3

Ricardas Berankis (LIT) bt Roberto Carballes (ESP) 6-4, 6-2, 6-2

Sam Querrey (USA) bt Borna Coric (CRO x25) 6-3, 6-4, 6-4

Guido Pella (ARG x22) bt John-Patrick Smith (AUS) 6-3, 7-5, 6-4

Gregoire Barrere (FRA) bt Mohamed Safwat (EGY) 6-7 (8/10), 7-6 (7/1), 6-4, 7-6 (7/5)

Marton Fucsovics (HUN) bt Denis Shapovalov (CAN x13) 6-3, 6-7 (7/9), 6-1, 7-6 (7/3)

Daniel Evans (GBR x30) bt Mackenzie McDonald (USA) 3-6, 4-6, 6-1, 6-2, 6-3

Yoshihito Nishioka (JPN) bt Laslo Djere (SRB) 6-4, 3-6, 6-2, 7-6 (7/1)

Roger Federer (SUI x3) bt Steve Johnson (USA) 6-3, 6-2, 6-2

Women's singles

1st round

Zhu Lin (CHN) bt Viktorija Golubic (SUI) 4-6, 6-1, 7-6 (10/5)

Julia Georges (GER) bt Viktoria Kuzmova (SVK) 6-1, 6-2

Petra Martic (CRO x13) bt Christina McHale (USA) 6-3, 6-0

Ekaterina Alexandrova (RUS x25) bt Jil Teichmann (SUI) 6-4, 4-6, 6-2

Barbora Krejcikova (CZE) bt Kaia Kanepi (EST) 7-6 (7/3), 2-6, 6-3

Paula Badosa (ESP) bt Johanna Larsson (SWE) 6-1, 6-0

Petra Kvitova (CZE x7) bt Katerina Siniakova (CZE) 6-1, 6-0

Naomi Osaka (JPN x3) bt Marie Bouzkova (CZE) 6-2, 6-4

Zheng Saisai (CHN) bt Anna Kalinskaya (RUS) 6-3, 6-2

Sorana Cirstea (ROU) bt Barbora Strycova (CZE x32) 6-2, 7-6 (7/5)

Ann Li (USA) bt Lizette Cabrera (AUS) 7-6 (7/4), 7-6 (12/10)

Sofia Kenin (USA x14) bt Martina Trevisan (ITA) 6-2, 6-4

Caroline Wozniacki (DEN) bt Kristie Ahn (USA) 6-1, 6-3

Tamara Zidansek (SLO) bt Han Na-lae (KOR) 6-3, 6-3

Serena Williams (USA x8) bt Anastasia Potapova (RUS) 6-0, 6-3