A Russian tennis star has been slapped with a four-year ban under the Tennis Anti-Doping Programme (TADP), as confirmed by The International Tennis Integrity Agency (ITIA). 20-year-old Aleksei Mokrov was served with a pre-charge notice of an Anti-Doping Rule Violation in April, after a sample he provided during competition tested positive for a banned substance. The sample was divided into A and B parts, and further analysis revealed that both contained metabolites of Nandrolone, a substance