Serena

39-year-old American won with a 6-3, 6-0 against 99th-ranked Nina Stojanovic in just 69 minutes on Rod Laver Arena

37-year-old ran out of steam though as Alexandrova, seeded 21, completed a 3-6, 7-5, 6-1 win

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Men’s world number one faces Dellien, American female star takes on Potapova

American delivers masterclass, beating Anisimova 6-4, 6-0 in just 43 mins

Although still troubled by the Auckland wind, Williams said she was determined to prove herself this week

Mouratoglou believes American tennis star is faster, fitter than before

American can match Court’s record of 24 titles by winning 2019’s first Grand Slam

It took 43 Grand Slam triumphs and over two decades to set up the on-court meeting

Two of the greatest players in history, will face off across the net for the first time on Tuesday

American tennis sisters to fight for last-16 spot of ongoing US Open

French Open director says tennis star’s approach diffused potential row over upcoming change

Back-from-injury Serb to vie for third hard-court grand slam silverware

Belgian believes American tennis star will have to rely on her instinct to make comeback

American star says young players want to beat her which pushes her to be better

Pectoral muscle injury slams brakes on ruthless Williams's serving arm

Report from CDA sought in 24 hours

Spaniard downs “future of tennis” Zverev in epic five-set thriller

Down Mayer, Bencic respectively to start campaign on winning note

Suffers shock defeat at hands of world number 72 Madison Brengle

World number one defeated Yaroslava Shvedova 6-2, 6-3 on Monday

German upsets world number one 6-4, 3-6 and 6-4

Can become first woman since Steffi Graf to win all four Slams in a year