6) Petra Kvitova (Earnings: $7.7 million)
Petra Kvitova earned $5.9 million from prize money and $1.8 million from endorsements. This Czech professional tennis player is well-known for her powerful left-handed ground strokes and variety. Her 2014 Wimbledon win made her rich by $3 million and triggered bonuses from sponsors Wilson and Nike.
5) Ana Ivanovic (Earnings: $8.3 million)
Ana Ivanovic was ranked No. 1 in 2008. In the current evaluation period, she made $1.8 million from prize money and $6.5 million from endorsements. This Serbian professional tennis player finished 2014 ranked number five in the world. Adidas is her chief sponsor. Ana renewed her agreement with Dubai Duty Free in 2015. She found a new sponsor in Shiseido.