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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Writing on the wall for O'Shea
Approaching the halfway point of the season, UAE champion jockey Tadhg O'Shea is facing a tough battle in his bid for a 13th title.
Early selections for Sha Tin Sunday
Luke Middlebrook's tips and race-by-race preview from Idol Horse for Sha Tin's Sunday racemeeting.
Greaterix to finally have his day
QUALITY: THREE OUTSTANDING FEATURES ADDED TO MAKE A GREAT TURFFONTEIN CARD
Luna Halo to keep bracelet at home
The Lady's Bracelet has always been one of the popular events on the Fairview calendar and has won by some decent runners.
Buyer splashes out R24m for Tokyo new year tuna
The top bidder at a Tokyo fish market said they paid $1.3 million (about R24 million) for a tuna on Sunday, the second highest price ever paid at an annual prestigious new year auction.
Ten Commandments tablet sells for R94m
BIBLICAL: HIGH FIGURE NOTCHED DESPITE DOUBTS OVER AUTHENTICITY
PVA Revved Up and Rearing to Go
Park Village Auctions (PVA) is starting 2025 in full throttle with back-to-back Absa repossessed vehicle auctions next Wednesday and Thursday.
MI GOODNESS
Potgieter shines with the ball and Brevis with the bat in opening match in Gqeberha.
Chiefs have plenty to 'fix'
Nasreddine Nabi (below) has admitted Kaizer Chiefs are not where he wants them to be \"in some areas\" after his first five months in charge at Naturena.
Jose left at a loss for words
Orlando Pirates coach Jose Riveiro (above) battled to explain how his dominant side lost the Betway Premiership match against Cape Town City.