Thiem beats Nishikori to keep semifinal hopes alive ...

Former Wimbledon finalist Radwanska retires from tennis ...

Djokovic dismantles Zverev at ATP Finals ...

Anderson thrashes Nishikori, on verge of ATP semis ...

Federer beats Thiem to get back on track at ATP Finals ...

Pouille to lead France in Davis Cup final against Croatia ...

Djokovic tames Isner, Zverev edges Cilic at ATP Finals ...

Djokovic backs Federer in preferential treatment row ...

Flustered Federer loses ATP Finals opener to Nishikori ...

Poulos and Canberra International nominated at Newcombe Medal night ...

Czech Republic beats U.S. in Fed Cup final ...

Naomi Osaka headed for big money with Japan, global appeal ...

Players' towel habits can be ridiculous - Zverev ...

De Minaur through to Next Gen semis ...

Inexperienced U.S. faces weakened Czechs ...

Nadal out of ATP Finals stomach; also awaits ankle surgery ...

Khachanov shocks Djokovic to win Paris Masters crown ...

Djokovic beats Federer in epic Paris semi ...

Nishikori to replace Del Potro at ATP Finals ...

Pliskova pulls out of Czech team for Fed Cup final v U.S. ...

Garbine Muguruza reaches semifinals at WTA Elite Trophy ...

Khachanov eliminates Sock to reach Paris Masters semifinals ...

Djokovic to reclaim top spot as Nadal withdraws from Paris Masters ...

Djokovic reaches Paris Masters quarterfinals; Cilic wins ...

Shapovalov withdraws from Next Gen Finals ...