What California is to America, Australia has often been for tennis — the lab where new stuff goes for a test drive ...

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Watch Elena Rybakina use her backhand to full effect against Maria Sakkari at the United Cup. Watch live & on demand at TennisTV.com. Why not watch this next… ...

Team Australia comes out on top in this point against Team Great Britain in Sydney. Photo: Getty Images. Why not watch this next… ...

Serbian Prime Minister Milos Vucevic resigned on Tuesday, becoming the highest-ranking official to step down amid a wave of anti-corruption protests that have spread across the Balkan country. MORE..