Humbert roars back in Monte Carlo, Khachanov battles past Norrie

Ugo Humber seen in this undated photo. — AFP/File MONTE CARLO: Ugo Humbert powered back after losing the opening set to defeat Federico Coria 4-6 6-1 6-2 and reach the Monte Carlo Masters second round on Monday, with Grigor Dimitrov, Karen Khachanov and Stefanos Tsitsipas also safely…