Doping is a topic that shadowed tennis in 2024 and is sure to be a talking point as the 2025 Grand Slam season gets going at the Australian Open.
Laura Robson believes Coco Gauff will enter the 2025 Australian Open with "huge confidence" after "transforming her game".
Ten-time champion Novak Djokovic chases his 100th ATP Tour title as the Australian Open gets under way on Sunday.