From Iga Swiatek and Jannik Sinner to Maria Sharapova, we look at seven Grand Slam champions who failed drugs tests.

Iga Swiatekwas handed a one-month suspension - though one former No 1 calls for a "life ban" for anyone who fails a drug test ...

In tennis news, Jannik Sinner gets good news, Iga Swiatek gets some reality, and Nick Kyrgios tweets a warning.

With the end of the Davis Cup Finals last weekend, the end of the season is upon us and it is now time to have your say with ...