Australian Open tennis results 2019 LIVE: Novak Djokovic latest, Serena Williams beats Simona Halep and full order of play

Australian Open | Melbourne

Novak Djokovic is in action on day eight as the Australian Open continues to offer plenty of drama.

Williams booked her place in the lastr eight with victory over world No1 Simona Halep, while Djokovic - the men's top seed - takes on Daniil Medvedev with Roger Federer's shock exit against Stefanos Tsitsipas fresh in the mind.

Fourth seed Alexander Zverev suffered his latest grand slam disappointment with a fourth-round loss to Milos Raonic at the Australian Open.

Meanwhile, Jamie Murray and Bruno Soares saved three match points before beating German Kevin Krawietz and Croatian Nikola Mektic to reach the Australian Open quarter-finals.

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Here’s the full schedule and order of play for Monday, January 21.

Rod Laver Arena | Play begins from 1am GMT

1. (4) Naomi Osaka (Jpn) v (13) Anastasija Sevastova (Lat)

2. (4) Alexander Zverev (Ger) v (16) Milos Raonic (Can)

3. (1) Simona Halep (Rom) v (16) Serena Williams (USA)

4. (1) Novak Djokovic (Ser) v (15) Daniil Medvedev (Rus)

Margaret Court Arena | Play begins from 12am GMT

1. (17) Madison Keys (USA) v (6) Elina Svitolina (Ukr)

2. Alize Cornet (Fra) & Petra Martic (Cro) v Samantha Stosur (Aus) & Shuai Zhang (Chn)

3. (18) Garbine Muguruza (Spa) v (7) Karolina Pliskova (Cze)

4. (23) Pablo Carreno-Busta (Spa) v (8) Kei Nishikori (Jpn)

Melbourne Arena | Play begins from 12am GMT

1. Andreja Klepac (Slo) & Edouard Roger-Vasselin (Fra) v Astra Sharma (Aus) & John-Patrick Smith (Aus)

2. (13) Kirsten Flipkens (Bel) & Johanna Larsson (Swe) v (2) Timea Babos (Hun) & Kristina Mladenovic (Fra)

3. (1) Barbora Krejcikova (Cze) & Katerina Siniakova (Cze) v Elise Mertens (Bel) & Aryna Sabalenka (Blr)

4. (11) Borna Coric (Cro) v (28) Lucas Pouille (Fra)

1573 Arena | Play begins from 12am GMT

1. (6) Abigail Spears (USA) & Juan Sebastian Cabal (Col) v Demi Schuurs (Ned) & Matwe Middelkoop (Ned)

2. (7) Lukasz Kubot (Pol) & Horacio Zeballos (Arg) v Blake Ellis (Aus) & Alexei Popyrin (Aus)

3. Maria Jose Martinez Sanchez (Spa) & Neal Skupski (Gbr) v Jessica Moore (Aus) & Andrew Whittington (Aus)

4. Kristina Mladenovic (Fra) & Robert Lindstedt (Swe) v Bethanie Mattek-Sands (USA) & Jamie Murray (Gbr)

Court 3 | Play begins from 12am GMT

1. Jennifer Brady (USA) & Alison Riske (USA) v (4) Nicole Melichar (USA) & Kveta Peschke (Cze)

2. (3) Jamie Murray (Gbr) & Bruno Soares (Bra) v Kevin Krawietz (Ger) & Nikola Mektic (Cro)

3. (5) Pierre-Hugues Herbert (Fra) & Nicolas Mahut (Fra) v (11) Rajeev Ram (USA) & Joe Salisbury (Gbr)

4. Ryan Harrison (USA) & Sam Querrey (USA) v Jack Sock (USA) & Jack Withrow (USA)