Serena Williams and Novak Djokovic are the main attractions on Rod Laver Arena as the Australian Open hits day six.
The men's no.1 seed faces no.25 seed Denis Shapovalov after Williams has taken on unseeded Dayana Yastremska.
On Magaret Court, the standout clash sees women's no.1 seed Simona Halep take on Venus Williams.
Here’s the full schedule and order of play for Saturday January 19...
Rod Laver Arena | Play begins from 12am GMT
- Shuai Zhang (Chn) v (6) Elina Svitolina (Ukr)
- Dayana Yastremska (Ukr) v (16) Serena Williams (USA)
- (1) Novak Djokovic (Ser) v (25) Denis Shapovalov (Can)
- (4) Alexander Zverev (Ger) v Alex Bolt (Aus)
- (27) Camila Giorgi (Ita) v (7) Karolina Pliskova (Cze)
Margaret Court Arena | Play begins from 12am GMT
- (4) Naomi Osaka (Jpn) v (28) Su-Wei Hsieh (Tpe)
- Joao Sousa (Por) v (8) Kei Nishikori (Jpn)
- (12) Elise Mertens (Bel) v (17) Madison Keys (USA)
- (1) Simona Halep (Rom) v Venus Williams (USA)
- (28) Lucas Pouille (Fra) v Alexei Popyrin (Aus)
Melbourne Arena | Play begins from 12am GMT
- (21) David Goffin (Bel) v (15) Daniil Medvedev (Rus)
- Pierre-Hugues Herbert (Fra) v (16) Milos Raonic (Can)
- Timea Bacsinszky (Swi) v (18) Garbine Muguruza (Spa)
Court 7 | Play begins from 12am GMT
- Xinyun Han (Chn) & Darija Jurak (Cro) v (2) Timea Babos (Hun) & Kristina Mladenovic (Fra)
- Demi Schuurs (Ned) & Matwe Middelkoop (Ned) v Monique Adamczak (Aus) & Matt Reid (Aus)
- (7) Lukasz Kubot (Pol) & Horacio Zeballos (Arg) v Jeremy Chardy (Fra) & Fabrice Martin (Fra)
- Shuai Zhang (Chn) & John Peers (Aus) v Timea Babos (Hun) & Marton Fucsovics (Hun)
Court 8 | Play begins from 12am GMT
- Marcus Daniell (Nzl) & Wesley Koolhof (Ned) v (6) Raven Klaasen (Rsa) & Michael Venus (Nzl)
- Jessica Moore (Aus) & Andrew Whittington (Aus) v (7) Makoto Ninomiya (Jpn) & Ben McLachlan (Jpn)
- (10) Dominic Inglot (Gbr) & Franko Skugor (Cro) v Marcelo Demoliner (Bra) & Frederik Nielsen (Den)
- Samantha Stosur (Aus) & Leander Paes (Ind) v Kveta Peschke (Cze) & Wesley Koolhof (Ned)
Court 13 | Play begins from 12am GMT
- Steve Johnson (USA) & Denis Kudla (USA) v Radu Albot (Mol) & Malek Jaziri (Tun)
- Taylor Harry Fritz (USA) & Cameron Norrie (Gbr) v Jack Sock (USA) & Jack Withrow (USA)
- (10) Irina-Camelia Begu (Rom) & Mihaela Buzarnescu (Rom) v Alize Cornet (Fra) & Petra Martic (Cro)
Court 15 | Play begins from 12am GMT
- Zhaoxuan Yang (Chn) & Rohan Bopanna (Ind) v (5) Anna-Lena Groenefeld (Ger) & Robert Farah (Col)
- Alison Bai (Aus) & Zoe Hives (Aus) v Nao Hibino (Jpn) & Desirae Krawczyk (USA)
- (6) Abigail Spears (USA) & Juan Sebastian Cabal (Col) v Latisha Chan (Tpe) & Ivan Dodig (Cro)
Court 19 | Play begins from 12am GMT
- Barbora Zahlavova Strycova (Cze) & Marketa Vondrousova (Cze) v Zarina Diyas (Kaz) & Yulia Putintseva (Kaz)
- Aliaksandra Sasnovich (Blr) & Taylor Townsend (USA) v (11) Eri Hozumi (Jpn) & Alicja Rosolska (Pol)
- (8) Ekaterina Makarova (Rus) & Artem Sitak (Nzl) v Andreja Klepac (Slo) & Edouard Roger-Vasselin (Fra)
- Danielle Collins (USA) & Michael Venus (Nzl) v Hao-Ching Chan (Tpe) & Jean-Julien Rojer (Ned)
1573 Arena | Play begins from 12am GMT
- (21) Qiang Wang (Chn) v (13) Anastasija Sevastova (Lat)
- (12) Fabio Fognini (Ita) v (23) Pablo Carreno-Busta (Spa)
- (11) Borna Coric (Cro) v Filip Krajinovic (Ser)
Court 3 | Play begins from 12am GMT
- (3) Jamie Murray (Gbr) & Bruno Soares (Bra) v Luke Bambridge (Gbr) & Jonny O'Mara (Gbr)
- Margarita Gasparyan (Rus) & Daria Gavrilova (Aus) v (9) Raquel Atawo (USA) & Katarina Srebotnik (Slo)
- Victoria Azarenka (Blr) & Ashleigh Barty (Aus) v Jennifer Brady (USA) & Alison Riske (USA)
- Pablo Cuevas (Uru) & Fernando Verdasco (Spa) v (11) Rajeev Ram (USA) & Joe Salisbury (Gbr)
Predict your winner
