Halep finishes season as world No. 1 for second-straight year ...

Del Potro calls knee fracture a 'hard blow' ...

Djokovic cruises past Coric to win fourth Shanghai title ...

Coric upsets Federer, facing Djokovic in Shanghai final ...

Federer, Djokovic advance to Shanghai semis ...

Rain saves Svitolina in Hong Kong quarterfinals ...

Federer, Djokovic, Zverev advance at Shanghai Masters ...

Svitolina reached Hong Kong Open quarterfinals ...

Federer battles, Djokovic cruises, del Potro out in Shanghai ...

Pliskova, Sabalenka power through in Tianjin ...

Del Potro, Zverev overcome colds to win at Shanghai Masters ...

Kucova beats Ostapenko in first round at Hong Kong Open ...

Australian Open prizemoney hits $60 million ...

Chardy keen for tips on beating Djokovic in Shanghai ...

Wozniacki wins 2nd China Open title, Del Potro stumbles ...

Medvedev defeats Nishikori to win Japan Open title ...

Shapovalov edges Struff to book spot in Japan Open semifinals ...

Del Potro sets up Beijing semi-final with Fognini ...

Osaka into China Open semifinals with win over Zhang ...

Cilic loses in 1st round at Japan Open ...

Osaka becomes third player to secure WTA Finals berth ...

Djokovic credits hike with turnaround ...

Serena Williams sings, goes topless for breast cancer video ...

Raonic, Shapovalov advance to second round of Japan Open ...

Tomic upsets top-seeded Fognini to win Chengdu Open ...