Federer calls for consistent global dope testing

Roger Federer believes tennis does not face a major doping problem but has voiced concern that drug testing protocols are not being taken seriously enough in certain parts of the world. The record 17-time Grand Slam singles champion spoke out at the ATP and WTA Miami Open, where he ends an eight-week knee injury lay-off Friday.

Third-ranked Federer believes there should be more consistency in the hunt for dope cheats, saying he gets tested more in his homeland than anywhere else. The 34-year-old Swiss said: "I get tested more in Switzerland because the guy from Switzerland lives in my village. He comes to see me the day after my surgery.

"In certain countries, maybe the testing is not as serious as in Switzerland. I would like to see that across the board to be the same way and fair. "But I think tennis is doing more and more. I really don't think there is a major problem.

"Tennis is doing a lot better than it has in the past. We're getting more professional. The programme is getting bigger and stronger."

Federer, who revealed that he unfortunately tore the meniscus in his knee when he slipped while running a bath for his twin daughters in Melbourne, following his semi-final loss at the Australian Open, said he was shocked to learn that Russian star Maria Sharapova, a four-time Grand Slam singles champion, tested positive at the Australian for meldonium, which was added to the World Anti-Doping Agency's ban list on January 1.

"It was very disappointing news to say the least," Federer said. "Clearly I was very surprised. I thought she was going to announce retirement or something. But it also shows the famous players can get caught in the system that seems to be working."

Sharapova said she did not check updated lists to see what changes were made to the banned list for 2016. "I know what I take," Federer said. "You have got to be sure. That's why I quadruple check what I take. I don't want to take any chances whatsoever."

Federer said he tends to give fellow players the benefit of the doubt, but is sceptical when those who test positive plead ignorance or accident. "I'm naive maybe in the fact that I believe athletes," Federer said. "Clearly when they get caught, you turn. You are like, 'I can't believe they tried to do that, forgot about it,' whatever."

Federer said he would like to see more to combat dope cheats, including keeping blood samples on players from every event for 10 years so updated testing methods can be used to detect violations many years later.

"You could be punished retroactively," said Federer. "I'm a big believer in that."

Controversial comments by top-ranked Novak Djokovic and now-resigned Indian Wells tournament director Raymond Moore regarding women's tennis and equal pay with the men were not echoed by Federer.