The Melbourne Summer Series commences on Sunday with WTA 500 action at Melbourne Park.
The two women's events are part of a series of five knock-out tournaments taking over the Australian Open precinct over the next week in a spectacular offering for tennis fans.
They will run alongside the star-studded ATP Cup, taking centre stage at Rod Laver Arena and John Cain Arena.
READ MORE: World's top four in action on Day 1 at ATP Cup
With the tournament draws released, we take a look at the biggest names in action, exciting potential match-ups, and the first-round clashes to watch out for.
WTA Yarra Valley Classic
31 Jan – 6 Feb, Melbourne Park
Category: WTA 500
Top seeds: [1] Ash Barty; [2] Sofia Kenin; [3] Karolina Pliskova; [4] Petra Kvitova
Projected quarterfinals:
[1] Barty v [7] Martic; [3] Pliskova v [5] S.Williams; [4] Kvitova v [8] Vondrousova; [2] Kenin v [6] Muguruza
Other possible clashes:
[5] S.Williams v [9] Vekic (3R) – battle of big servers
[3] Pliskova v [13] Collins (3R) – aggressive, clean hitting from baseline
[4] Kvitova v V.Williams (2R) – Wimbledon champions with history of incredible matches
Best first-round matches:
[12] Ferro v Rogers – both made second week at majors in 2020
[14] Podoroska v Jones – RG 2020 semifinalist versus AO qualifying fairytale story
In summary: Seven Slam champions are among the field at this 500-level event, which could feature an AO 2020 final rematch between Sofia Kenin and Garbine Muguruza in the quarters. The versatility of world No.1 Ash Barty and second seed Kenin will be pitted against the power of Serena and Venus Williams, Petra Kvitova, Karolina Pliskova and Muguruza in what is shaping as a brilliant event.
WTA Gippsland Trophy
31 Jan – 6 Feb, Melbourne Park
Category: WTA 500
Top seeds: [1] Simona Halep; [2] Naomi Osaka; [3] Elina Svitolina; [4] Aryna Sabalenka
Projected quarterfinals:
[1] Halep v [6] Swiatek; [4] Sabalenka v [8] Muchova; [3] Svitolina v [7] Mertens; [2] Osaka v [5] Konta
Other possible clashes:
[2] Osaka v [14] Gauff (3R) – stars of 2020, both on and off court
[4] Sabalenka v Kanepi (2R) – absolute power hitting
Best first-round matches:
[13] Ostapenko v Errani – 2017 RG champion versus 2012 RG finalist
Osuigwe v Potapova – battle between teens, both junior Slam champs
Kasatkina v Buzarnescu – both former top 20 players
In summary: Seven of the world’s top 20 will contest this 54-player draw, among which are four Grand Slam champions. Aryna Sabalenka, who has won three straight tournaments, will look to extend her 15-match winning streak, while second seed Naomi Osaka is currently riding an 11-match win streak. Many eyes will be on reigning Roland Garros champion Iga Swiatek, who faces a possible French Open rematch with top seed Simona Halep in the quarters.
ATP Great Ocean Road Open
1-7 February, Melbourne Park
Category: ATP 250
Top seeds: [1] David Goffin; [2] Karen Khachanov; [3] Hubert Hurkacz; [4] Jannik Sinner
Projected quarterfinals:
[1] Goffin v [5] Basilashvili; [3] Hurkacz v [8] Bublik; [4] Sinner v [7] Kecmanovic; [2] Khachanov v [6] Opelka
Other possible clashes:
[2] Khachanov v Anderson (3R) – power-hitting battle, both former top 10
[1] Goffin v Alcaraz (2R) – former top-10 experience versus highly-rated youth
Best first-round match:
[16] Lopez v Anderson – clash of veterans with big-match experience
In summary: A solid draw highlighted by nine of the world's top 50, the tournament is an intriguing showcase of the ATP's differing generations. Veterans such as Goffin, Lopez, Pospisil, Anderson and Querrey will battle for the same trophy as rising stars like Sinner, Opelka, Kecmanovic, Hurkacz and Alcaraz, plus a host of young Aussie wildcards.
ATP Murray River Open
1-7 February, Melbourne Park
Category: ATP 250
Top seeds: [1] Stan Wawrinka; [2] Grigor Dimitrov; [3] Felix Auger-Aliassime; [4] Borna Coric
Projected quarterfinals:
[1] Wawrinka v [6] Fritz; [4] Coric v [8] Evans; [3] Auger-Aliassime v [5] Ruud; [2] Dimitrov v [7] Humbert
Other possible clashes:
[13] Kyrgios v Tomic (2R) – the two Aussie tennis stars have never met
[14] Gasquet v Kokkinakis (2R) – flashy shot-maker versus comeback kid
Best first-round matches:
[11] Cilic v Chardy – two big-hitting veterans; one is a Slam champ
Tiafoe v Moutet – exceptional talents, engaging personalities
In summary: The stronger of the two ATP events at Melbourne Park, the Murray River Open is stacked with proven talent and big names, including Grand Slam champs Stan Wawrinka and Marin Cilic, major semifinalists Grigor Dimitrov and Richard Gasquet, plus several exciting young talents including Felix Auger-Aliassime, Borna Coric, Taylor Fritz, Casper Ruud and Ugo Humbert. And there will be plenty of local interest in the event, with Nick Kyrgios, Thanasi Kokkinakis, Alexei Popyrin and Bernard Tomic among those representing the green-and-gold.
WTA Grampians Trophy
3-7 February, Melbourne Park
Category: WTA 500
Top seeds: 1. Bianca Andreescu; 2. Belinda Bencic; 3. Victoria Azarenka; 4. Elena Rybakina
Draw will be conducted Monday 1 February. (see entry list)