Could 15-year-old Anastasia Potapova beat Nick Kyrgios in a game of H-O-R-S-E? David Kane investigates. The Russian teenager was victorious in her WTA debut, beating Maria Sakkari in the first round of qualifying at the Miami Open. The reigning junior Wimbledon champion discusses her winning debut, why she loves her emotional brand of tennis, and how she takes inspiration from her junior peers.