Azarenka began her Australian Open defence on Rod Laver Arena in Day 2 action and the current world No. 2 Belarusian had a tough first set against Sweden's Johanna Larsson winning it in a tie-break, but she then had an easier time of it in the Melbourne heat in the second set.
Azarenka ended up winning 7-6 (2), 6-2 over Larsson to set up a second round match-up with Barbara Zahlavova Strycova, but she will want to pick up her serving after hitting seven double faults while winning just 21 per cent of second serves, and hitting 32 unforced errors.
Another former world No. 1, Denmark's Wozniacki began her Australian Open campaign in dominant fashion with a crushing 6-0, 6-2 victory on Hisense Arena over Spain's Lourdes Dominguez Lino.
Wozniacki put in a controlled performance winning 68 per cent of her first serves, 69 per cent of her second, 61 per cent of her points at the net, 50 per cent of break points and hitting just 16 unforced errors.
Italian veteran and former French Open champion Francesca Schiavone's Australian Open for 2014 is over in the first round after she lost in straight-sets to 20th-seeded Slovak Dominika Cibulkova on Margaret Court Arena.
It could spell the end of Schiavone's singles career in Melbourne after 14 appearances at the Australian with the 33-year-old likely in her final year on the WTA Tour.
Romania's No. 11 seed Simona Halep gave up just one game against Poland's Kataryna Piter cruising into the second round with the 6-0, 6-1 victory on Margaret Court Arena.
Another seed, No. 16 Spaniard Carla Suarez Navarro also had little trouble advancing into the second round beating tricky American Vania King, 6-3, 6-2.
Frenchwoman Alize Cornet has enjoyed her time in Australia so far this summer highlighted by teaming with Jo-Wilfried Tsonga to win the Hopman Cup in Perth, and she had the easiest possible path into the second round.
Cornet was facing Slovak Polana Hercog out on Court 6, but Hercog lasted just one game, won by Cornet, before retiring injured handing the Frenchwoman a second round appearance.
American Christina McHale had a tough battle on Court 10 against Chinese Taipei's Yung-Jan Chan, but found a way to prevail in straight-sets still, winning 7-5, 6-4 in a tightly-contested affair.
It was another tight, three-set battle on Court 13 with Czech Barbara Zahlavova Strycova beating the Paul McNamee-coached Su-Weih Hsieh from Chinese Taipei, 6-1, 4-6, 6-1.
Another Round 1 completed in Day 2 action was out on Court 15, and it was a tough, three-set battle between Kazakhstan's Galina Voskoboeva and Romania's Irina-Camelia Begu, and it was the Kazak who eventually won 7-5, 4-6, 7-5.
World No. 5 Agnieszka Radwanska overcame a surprise loss of the second set to come through her first round clash with Kazakhstan's Yulia Putintseva to come out victorious in three sets, 6-0, 5-7, 6-2.
Another former world No. 1 Jelena Jankovic from Serbia gave up just three games as she hammered Japan's Misaki Doi on Margaret Court Arena 6-1, 6-2.
Australian teenager Storm Sanders started strongly on Court 3 up against Italian Camila Giorgi winning the first set, but she couldn’t quite keep it going with the world No. 99 beating the 19-year-old Australian 4-6, 6-1, 6-4.
Kazakhstan's Zarina Diyas also recorded a comfortable 6-2, 6-4 victory on Court 5 over the Czech Republic's Katerina Siniakova.
One Australian woman did join Sam Stosur and Casey Dellacqua in the second round, though, on Tuesday with Olivia Rogowska dominating her clash with Columbia's Mariana Duque-Marino to win 6-3, 6-3.
Swiss world No. 46 Stefanie Voegele had a tight two-set battle against talented French 20-year-old Kristina Mladenovic, but got the better of both sets narrowly to take out the match 7-5, 7-5.
Another seed didn’t make it out of the first round with No. 24 seed Kaia Kanepi ousted by Spaniard Garbine Mugunza who beat the more fancied Estonian 6-2, 2-6, 6-2.
There was another three-set battle on Court 8 with Japan's Kurumi Nara finishing on top of China's Shuai Peng 7-5, 4-6, 6-3.
Another Japanese woman advanced to the second round also straight after on Court 8 when Ayumi Morita beat Ukrainian Nadiya Kichenok 6-2, 7-6 (5).
Italian Karin Knapp made up for her higher-ranked compatriots Sara Errani and Roberta Vinci losing on Day 1 by advancing to the second round with a 6-4, 6-2 victory on Tuesday over Argentina's Paula Ormaechea.
Russian 29th-seed Anastasia Pavlyuchenkova had to fight through two tough sets against Brazil's Teliana Pereira on Court 19, but she ended up on top winning 7-6 (7), 6-4.
New Zealand's Marina Erakovic also bundled out another seed on Day 2 as she recorded a 6-4, 7-6 (6) win over the 21st-seeded Romanian Sorana Cirstea.
Varvara Lepchenko had to fight back from losing the first set but she did so in the heat of Melbourne to end up beating Ukrainian Lesia Tsurenko 2-6, 6-3, 6-4.