Swiatek, Osaka, Sinner and Auger-Aliassime all in action today
The remaining quarter finals at the US Open take place later.
Iga Swiatek takes on Amanda Anisimova in the women's singles while it's Karolina Muchova against two-time champion Naomi Osaka.
Felix Auger-Aliassime faces Alex de Minaur in the men's singles while Jannik Sinner faces Italian compatriot Lorenzo Musetti.

Wales Stun All Blacks To End 73-Year Wait For Victory
Ireland Face Must-Win Kosovo Clash After Narrow Defeat To Austria
Kildare Trio Feature As Ireland Overcome Fiji In Nations Championship
Kildare's Sean O'Haire Kicks Dramatic Last-Minute Winner In American College Football
Sunday Morning Sports Update
Milltown Through To Leinster Intermediate Semi-Finals After Victory Over Meath Champions
Sarsfields Leinster Championship Campaign Ends After Heavy Defeat To Cuala
More Than 20 Horses Withdrawn At Cheltenham Over Ground Conditions