The Philadelphia Freedoms are on fire, but the Washington Kastles are keeping pace.
The 23-year-old tested positive for PEDs.
Former world No. 5 on why Roger Federer is the best player he's seen.
Grand Slam king not planning a racquet change.
Srdjan Djokovic says his son is on track for double-digit Wimbledon titles.
Today's special broadcast of World Team Tennis on CBS was just a part of Sunday's magic.
Uncle Toni Nadal reveals the lesson Rafa Nadal learned watching the Wimbledon final.