Ai Sugiyama (???, Sugiyama Ai, born July 5, 1975) is a Japanese former professional tennis player.
She reached No.
1 in women's doubles on the WTA Tour.
Her career-high singles ranking is No.
8, achieved on February 9, 2004.
In her career, she won six singles and 37 doubles titles, including three Grand Slam titles (one with Frenchwoman Julie Halard-Decugis and two partnering Belgian Kim Clijsters) and one Grand Slam mixed doubles title (partnering Indian Mahesh Bhupathi).
Sugiyama held the all-time record, for both male and female players, for her 62 consecutive Grand Slam main draw appearances, until she was surpassed by Roger Federer at the 2015 Wimbledon Championships.