PARIS :Russian teenager Mirra Andreeva will hang on to the sweat-soaked wristband that Australia's Daria Kasatkina jokingly threw towards her at the net as a souvenir of their entertaining French Open clash on Monday. The prodigious 18-year-old underlined her credentials as a Roland Garros title contender by outwitting her frequent practice partner and 17th seed Kasatkina 6-3 7-5 to storm into the quarter-finals for a second straight year. Last year's semi-finalist approached the net to shake