The more highly classified player, WTA 17 Haddad Maia ... Sierra will also need consistency, playing high-percentage tennis ...

No.18 seed Madison Keys won an all-Top 20 battle in the third round of the Internazionali BNL d'Italia on Saturday, grinding past No.12 seed Beatriz Haddad Maia 6-4, 4-6, 6-3 in two-and-a-half hours.

With four gold medals and one silver, Venus Williams is the most decorated tennis player in Olympic history ahead of her nearest rival, younger sister Serena (four golds). The two siblings' careers ...