Khachanov stuns Auger-Aliassime to reach US Open third round

World No. 50 Karen Khachanov earned his first Top 10 scalp of the year at the US Open in New York, upsetting World No. 4 and last year’s semifinalist Felix Auger-Aliassime in a second-round match on Thursday. Khachanov came back strongly after losing the first set in a tie-break to oust the Canadian star Auger-Aliassime 6-7(5), 6-3, 6-2, 6-2 at the Louis Armstrong Stadium. With this, he also took a 3-2 lead in their head-to-head...