In the first quarter final, Hubert Hurkacz upset Andy Murray of Great Britain in straight sets by 7-6 and 6-3.In another quarter final, peTer Gojowczyk defeated Marcos Giron of usa 3-6, 6-1 and 6-3.Second seed Pablo Carreno-Busta outplayed holger rune of denmark 6-4, 3-6 and 6-4 to book a place in semi finals.In the last quarter final, third seed Gael Monfils beat Nikoloz Basilashvili of Georgia in straight sets by 6-3 and 6-3.