Snapshot from day seven at the Open

·1-min read

PLAYER OF THE DAY: Aslan Karatsev - Unheralded Russian qualifier Aslan Karatsev fought back from two sets down to outlast 20th-seeded Canadian Felix Auger-Aliassime 3-6 1-6 6-3 6-3 6-4. The world No.114 is the seventh man in the Open era to make the quarter-finals on his grand slam debut.

STAT OF THE DAY: Taiwan's 35-year-old Hsieh Su-Wei became the oldest first-time grand-slam quarter-finalist in the open era with a straight-sets win over 2019 French Open runner-up Marketa Vondrusova.

QUOTE OF THE DAY: "He don't try to change too much my stuff, but he give me some idea and try to help me to improve my game". - Hsieh on her long-time coach, Australian doubles great Paul McNamee.

TOURNAMENT SUMMARY: Hsieh - the world's top-ranked doubles player - boasts a 8-2 winning record against top-10 rivals in singles and is eyeing a quarter-final match up with tournament favourite Naomi Osaka. Seven-times champion Serena Williams is also through to the last eight after ousting in-form Belarusian Aryna Sabalenka.