Which tennis player also became a coach, Sébastien Lareau or Martina Navratilova?
Sébastien Lareau Sébastien Lareau (born April 27, 1973 in Montreal, Quebec) is a retired professional tennis player. He became the first Canadian to win a Grand Slam title by winning the 1999 U.S. Open Men's Doubles with his American partner Alex O'Brien.
Riccardo Piatti Riccardo Piatti (born November 8, 1958) is an Italian tennis coach. He has coached several players ranked within the top 10 by the Association of Tennis Professionals (ATP), including Novak Djokovic, Ivan Ljubičić, Richard Gasquet, and Milos Raonic.