2021 avustralya açık tenis turnuvası

tek kadınlarda 4.tur eşleşmeleri de belli oldu:

garbiñe muguruza v. naomi osaka

su-wei hsieh v. markéta vondroušová

aryna sabalenka v. serena williams

iga swiatek v. simona halep

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donna vekic v. jennifer brady

ashleigh barty v. shelby rogers

jessica pegula v. elina svitolina

elise mertens v. karolína muchová