Defending champion Alexei Popyrin rallied from a set down to beat world No 9 Holger Rune 4-6, 6-2, 6-3 and reach the National Bank Open quarter-finals.
The Australian will put his growing reputation as one of the biggest giant-killers on the tour to the test when he faces Alexander Zverev in the last eight, after the top seed benefited from Argentina’s Francisco Cerundolo withdrawal while the German was leading 6-4, 1-0.
