Australian Open 2019 women's singles round-up: Halep, Osaka, Kerber win; defending champion Wozniacki ousted

In the second round of the 2019 Australian Open, Simona Halep got stretched by Sofia Kenin before registering a victory in three sets. Naomi Osaka, meanwhile, eased past Slovenia’s Zidansek, and Angelique Kerber dispatched Australia’s Kimberly Birrell to advance into round four.

Here is a look at the other significant results in women's singles:

Rod Laver Arena Round three:

Maria Sharapova extended her dominance over Denmark’s Caroline Wozniacki, registering her seventh victory in eleven matches between the two players.

The Russian required two hours and twenty-four minutes to knock out the defending Australian Open Champion, recording 37 winners in the match to Wozniacki‘s 10. She also did well at the net, winning six of her eight points there.

2019 Australian Open - Day 5 - Maria Sharapova knocks out Defending Champion Caroline Wozniacki

Sharapova came back from a break down to win the first set 6-4 but made four double faults in the second to lose it 4-6. The Russian broke in the seventh and ninth games to clinch the third set in her favor at 6-3.

She faces Ashleigh Barty of Australia in the fourth round.

Maria Sharapova (30) (RUS) vs Caroline Wozniacki (3) (DEN) 6-4, 4-6, 6-3.

Margaret Court Arena Round three:

The young American sensation Amanda Anisimova continued her dream run at the 2019 Australian Open after accounting for Belarussian Aryna Sabalenka in straight sets. She will face Czech Republic’s Petra Kvitova in round four.

Anisimova jumped straight into the action by breaking Sabalenka‘s first and last service games in the first set to conquer it 6-3.

2019 Australian Open - Day 5 - Amanda Anisimova continued her giant killing run

She repeated the same in the second set to clinch the match 6-2 in her favor.

She won 80% of her points on the first serve and committed a mere nine unforced errors while smashing 21 winners in the match.

Amanda Anisimova (87) (USA) defeats Aryna Sabalenka (11) (BLR) 6-3, 6-2.

America’s Danielle Collins defeated France’s Caroline Garcia to enter the fourth round on her Australian Open debut. She will next face a formidable opponent, teeing off against Angelique Kerber of Germany, the number two seed.

Though Collins got only 57% of her first serves in, she won 21 of her 26 points on the first serves to register a win percentage of 81%.

2019 Australian Open - Day 5 - Danielle Collins dispatches off Caroline Garcia

She smashed 26 winners and excelled at the net. Collins got into her groove to break Garcia’s eighth service game after a double fault by the latter handed the first set to the American.

Riding high on confidence, she broke the first three service games of the Frenchwoman to record a 6-2 victory.

Danielle Collins (35) (USA) versus Caroline Garcia (19) (FRA) 6-3, 6-2.

1573 Arena Round two:

Dayana Yastremska of Ukraine knocked out the 23rd seed Spaniard Carla Suárez Navarro to advance to the third round of the 2019 Australian Open.

She faces a daunting task in the third round when she meets the 16th seeded American Serena Williams.

Dayana Yastremska from Ukraine

Yastremska broke Suarez Navarro‘s fourth service game to take the first set 6-3. But she did not capitalize on the early break in the second set, as the Spaniard broke the Ukranian's serve twice to win the second set 3-6.

Yastremska powered past her opponent in the decider to race off to a 5-0 lead before closing the match 6-1. She converted four of her six break point opportunities and smashed 32 winners on her way to victory.

Dayana Yastremska (59) (UKR) defeats Carla Suárez Navarro (23) (ESP) 6-3, 3-6, 6-1.

Court 20 Round two:

Timea Bacsinszky required just an hour and thirty-five minutes to cruise past twenty-one-year-old Russian Natalia Vikhlyantseva in round two. Bacsinszky broke the Russian twice in the first set, taking it comfortably by the score of 6-2.

Timea Bacsinszky from Switzerland

After both players traded early breaks in the second set, the Russian made two double faults in the eleventh game to hand the set and match to Bacsinszky at 7-5.

Bacsinszky won 82% of her points on her first serve and produced just eleven unforced errors compared to the 31 by the Russian. She will meet the 18th seed Garbine Muguruza of Spain in the third round.

Timea Bacsinszky (192) (SUI) defeats Natalia Vikhlyantseva (135) (RUS) 6-2, 7-5.

Melbourne Arena Round three:

Pavlyuchenkova made quick work of the 33rd ranked Belarussian Aliaksandra Sasnovich, needing just an hour to cruise through into the fourth round with a straight-sets victory. She sets up a mouth-watering contest against the fifth-seeded American Sloane Stephens.

Pavlyuchenkova won 23 of her 30 first serve points to register a win percentage of 77%.

2019 Australian Open - Day 5 - Anastasia Pavlyuchenkova from Russia

Sasnovich managed to get only 58% of her first serves in as Pavlyuchenkova conceded just eight unforced errors in total. Pavlyuchenkova broke her opponent thrice in the first set to conquer it 6-0 and broke again in the sixth game of the second set to seal the match 6-3.

Anastasia Pavlyuchenkova (42) (RUS) defeats Aliaksandra Sasnovich (33) (BLR) 6-0, 6-3.