Roger Federer's doctor Ronald Biedert operates Juan Martin del Potro's knee

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Roger Federer's doctor Ronald Biedert operates Juan Martin del Potro's knee

Former world no. 3 and the US Open champion Juan Martin del Potro had to undergo the third right knee surgery on Wednesday morning since the injury in Shanghai 2018! Roger Federer's doctor Ronald Biedert underwent the procedure in Bern in Switzerland, staying in touch with Juan Martin since January and recommending another surgery as the pain couldn't go away in recent months.

The previous surgery came at the end of January in Miami and it wasn't enough to see the Argentine back on the court as he felt the pain again during the practice runs in Buenos Aires. Juan Martin had fractured his right kneecap against Borna Coric in Shanghai 2018, returning in Delray Beach last season and playing only five tournaments and 12 matches before experiencing the same injury against Denis Shapovalov at Queen's!

Del Potro underwent surgery in Barcelona a couple of days later, hoping to start training again as soon as possible. Returning a couple of months later, del Potro began with some light preparations on and off the court, but things haven't worked his way, feeling a constant pain in his knee and having to skip the Australian Open for the fifth time in the last six seasons!

One of the most respectful players on the Tour, del Potro never had the opportunity to show his full potential in consecutive years, experiencing numerous injuries over the last ten years! Giving his best to extend career and return where he belongs, the Argentine had managed to make a comeback at his best in 2017 and 2018, entering the top-3 for the first time before facing more setbacks, playing only 12 matches in the season behind us to drop out from the top-100.

Ranked outside the top-1000 three years ago, Juan Martin had started to gain ranking positions, winning the silver medal at Rio Olympics 2016 before reaching the quarter-final at the US Open and lifting the crown in Stockholm, his first in almost two years!

Since Shanghai 2018, Juan Martin del Potro has had to endure three knee surgeries.

Del Potro led Argentina towards the long-awaited Davis Cup title at the end of the season in Zagreb against Croatia, using that momentum ahead of 2017 when he played on a high level in the final events to find himself in the top-20, hungry for more of the same in 2018.

That season saw some deep runs and reliable results, claiming back-to-back titles in Acapulco and Indian Wells (his first Masters 1000 crown), followed by the semi-final in Miami that established him as the top-10 player again.

The Argentine lost to Rafael Nadal in the latter stages at Roland Garros and Wimbledon, advancing into the final at the US Open and Beijing before that terrible knee injury in Shanghai, the same one he experienced again at Queen's in June 2019.