The following statistics reveal how many positive doping tests, between 2013 and 2019, led to athletes being banned from professional tennis, swimming, athletics and cycling. The statistics were collated from World Anti-Doping Agency (WADA) figures.

The terms used for the statistics below are explained in the article ‘Up to 103 tennis players failed doping tests and escaped drug bans’.

The 2020 statistics for the following sports will be released at the end of this year by WADA.

FULL ARTICLE: Up to 103 tennis players failed doping tests and escaped drug bans

BACKGROUND: Spanish tennis’ long doping history

BACKGROUND: Four swimmers failed doping tests at the University of Texas, one was a minor

MORE: Up to 103 tennis players failed doping tests and escaped drug bans

Edmund Willison is a journalist focussing on doping and corruption in sport. You can follow him on Twitter @honestsport_ew or contact him at edmund.willison@honestsport.com.