Christina McHale

Ace! Lindsay Davenport among female coaches in pro tennis

Lindsay Davenport sat on the edge of her seat in the coaching box at Arthur Ashe Stadium, watching her player compete in the U.S. Open.

The former No. 1 and winner of three Grand Slam singles titles is among a handful of female coaches in professional tennis. While she's the only female coaching a Top 20 player on the women's tour, more former players are offering their expertise during Grand Slam tournaments.

Madison Keys, coached by Davenport, defeated Elise Mertens 6-3, 7-6 (6) during the first week of the U.S. Open at the Billie Jean King National Tennis Center. The ESPN cameras frequently showed the reaction of Davenport and Kim Clijsters, seated courtside in support of...