Karolina Muchova propelled Czechia into the last four Karolina Muchova propelled Czechia into the last four Karolina Muchova and Tomas Machac were in imperious form as they saw off Italians Flavio Cobolli and Jasmine Paolini respectively at the Unit

Naomi Osaka was defeated at Flushing Meadows Naomi Osaka was defeated at Flushing Meadows Naomi Osaka's wait for a deep run into a grand slam rolls on after the former world number one was beaten byKarolina Muchova at the US Open. (More Tennis News)