Australian Open champion Sinner made the last eight for the second time by seeing off US 14th seed Tommy Paul 7-6 (7/3), 7-6 (7/5), 6-1.
Medvedev, the 2021 champion and runner-up to Djokovic last year, outclassed Portugal's Nuno Borges 6-0, 6-1, 6-3 to reach the quarterfinals for the fifth time in six years.
Women's world No 1 Iga Swiatek, meanwhile, stayed on course for a sixth Grand Slam title with a straight-sets win over Russia's Liudmila Samsonova.
The Italian Sinner recovered from 4-1 down in the first set to see off Paul, who had been hoping to join compatriots Taylor Fritz and Frances Tiafoe in the quarterfinals in New York.
Denne historien er fra September 04, 2024-utgaven av The Citizen.
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Denne historien er fra September 04, 2024-utgaven av The Citizen.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
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Mud paintings go global
Reproduced on saleable items for overseas market
China's 'Motown' has charms of its own
Not a tourist city but Wuhu's growing fast
Keeping the tradition alive
BATHING RITUALS: ISTANBUL'S HISTORIC HAMMAMS REOPEN AFTER 13-YEAR RESTORATION
India trounce the Proteas
The Proteas were demolished by India last night, crumbling to a record 135-run defeat as the tourists wrapped up a 3-1 series victory in the fourth and final T20 International at the Wanderers.
Boks wary of England
KOLISI: KNOWS EXACTLY HOW IT FEELS TO ENDURE LENGTHY LOSING SPREE
Player safety is high on agenda
Australia's Brett Robinson said it was a \"proud moment\" for him after he became the first chairman of World Rugby from the southern hemisphere on Thursday and vowed to unify all the different factions.
Rugby needs more 'superstars'
Wales rugby coach Warren Gatland believes \"the game needs superstars\" as his struggling side prepare to face Wallaby wonder Joseph-Aukuso Suaalii (right) tomorrow.
Challenge is 'immense'
GALTHIE: LES BLEUS HOPE TO MAINTAIN STRANGLEHOLD ON THE ALL BLACKS
Williamson boost for the Black Caps
Prolific batsman Kane Williamson was yesterday included in New Zealand's Test squad to face England after missing their recent 3-0 sweep in India with a groin injury.
Southee makes his career call
STALWART: ENGLAND TEST SERIES WILL BE SWANSONG
