Kournikova won two doubles tournaments. She won the 1999 Australian Open with Swiss player Martina Hingis when they defeated Lindsay Davenport and Natasha Zvereva. Kournikova and Hingis won the 2002 Australian Open, when they defeated Daniela Hantuchová and Arantxa Sánchez Vicario. They were also runners-up in the 1999 French Open where they lost to the American pair Venus and Serena Williams. At the end of 1999, Kournikova was the best doubles player in the world.