Serena, Djokovic top seeds at US Open

On track for Flushing Meadows: Nick Kyrgios.

The top-16 ranking affords him some protection from the world's elite, pushing back showdowns against the likes of top players Djokovic, Andy Murray and Rafael Nadal until at least the fourth round.

Tomic claims biggest win in five years

Tomic is into the quarter-finals.

CINCINNATI, Ohio, Aug 18 AAP-DPA - Bernard Tomic claimed his biggest scalp in five years as he beat world No.7 Kei Nishikori to set up a Cincinnati Masters quarter-final against two-time Olympic champion Andy Murray.

Banned Sharapova could return in January

Banned: Maria Sharapova in action at this year's Australian Open.

Five-time grand slam winner Maria Sharapova, banned in June for two years for doping offences, may be allowed to return in January, according to Russian Tennis Federation president Shamil Tarpishchev.

US Open return in Barty's sights

Comeback trail: Tennis player Ashleigh Barty is going to Florida to contest a wildcard play-off for the US Open.

Ash Barty will escape the chill of Melbourne's winter and a demanding training block on Monday, bound for Florida, and the wildcard play-off that will determine whether her grand slam singles career resumes at the US Open after a two-year pause.

Wimbledon teen may have been poisoned

It was initially thought the 18-year-old became ill while playing overseas, but now doctors believe she may have been ...

A rising British tennis star forced to withdraw from Wimbledon Championships after being struck down by a mystery illness may have been deliberately poisoned.

Kyrgios wins Atlanta Open

No Rio, no worries: Nick Kyrgios has won the Atlanta Open.

Nick Kyrgios has landed a second ATP title, defeating American John Isner in straight sets to win the Atlanta Open.