Turkish player's urine sample contained Ractopamine, an anabolic agent.
Paula Badosa cracks the Top 10 and Emma Raducanu rises to No. 20.
The Serb has high praise for his new rival, Russia's Daniil Medvedev
The Scot will work with the Spaniard, and may keep him on for 2021.
The World No.1 is focusing on his next milestones, not the ones that got away.
"I think it was ugly, to be honest," Bencic said.
Naomi Osaka is back on court training for her Australian Open title defense.
