PARIS, June 6 : Russian eighth seed Mirra Andreeva praised her "tricky" opponent Maja Chwalinska and thanked herself after easing past the Polish qualifier in the French Open final on Saturday to win her first Grand Slam title. The 19-year-old Andreeva prevailed 6-3 6-2 to become the youngest French Open champion in over three decades and joked that she would not like to face Chwalinska again. "You're a very tricky opponent. Wouldn't want to play you one more time. No, it's ok. I hope we play