Jannik Sinner's doping saga continues to cast a dark shadow over the world No.1 as he prepares to defend his Australian Open title in Melbourne.

Jannik Sinner remains under doping cloud ahead of defence in Melbourne.

Jannik Sinner remains under doping cloud ahead of defence in Melbourne.

MELBOURNE,  (Reuters) – Jannik Sinner will launch his Australian Open title defence under a stubborn doping cloud but the whiff of scandal may do...

MELBOURNE (Reuters) -Jannik Sinner begins his Australian Open title defence against Nicolas Jarry while women's champion Aryna Sabalenka takes on 2017...

Novak Djokovic expressed his frustration at being "kept in the dark" about world number one Jannik Sinner's doping case, saying that it was not a good...

Novak Djokovic expressed his frustration at being "kept in the dark" about world number one Jannik Sinner's doping case, saying that it was not a good...

(Reuters) - Novak Djokovic expressed his frustration at being "kept in the dark" about world number one Jannik Sinner's doping case, saying in...

Novak Djokovic has added his voice to the frustrations in tennis over the handling of Jannik Sinner and Iga Swiatek's doping cases.

BRISBANE, Australia—Just days away from his return to tennis at the Brisbane International, Nick Kyrgios hasn’t minced his words in referring to...