Russian teenager Mirra Andreeva upset Canada’s Leylah Fernandez 6-3, 6-4 in the first round of the Madrid Masters on Wednesday to clinch her first win on the WTA Tour. The 15-year-old Andreeva, awarded a main-draw wildcard, hit four aces and converted three of five break points to defeat 2021 US Open runner-up Fernandez in an hour and 16 minutes in …