Noskova beats Gauff to reach WTA Finals semi-finals as Pegula stays alive

Czech defeats Gauff 6-3, 6-3 to reach last four Pegula eliminates Kostyuk with straight-sets victory Gauff and Pegula remain in contention for final berth Linda Noskova secured her place in the semi-finals of the WTA Finals with a 6-3, 6-3 victory over Coco Gauff on Tuesday, while Jessica Pegula knocked Marta Kostyuk o