Juan Martin del Potro vs Roger Federer in a mouth-watering match! | US Open 2017 Quarterfinal - YouTube
Federer wins 50th straight on grass | AspenTimes.com
US Open 2017: Roger Federer beaten by Juan Martin Del Potro
Roger Federer gives comeback advice to Juan Martin del Potro · tennisnet.com
Roger Federer defeats Juan Martin del Potro in longest-ever Olympic tennis match
Flashback: Roger Federer Leans On French Fans To Survive Juan Martin Del Potro | ATP Tour | Tennis
Roger Federer: Juan Martin del Potro did something to anger Swiss star before Indian Wells | Tennis | Sport | Express.co.uk
File:Roger Federer and Juan Martin del Potro (8366845475).jpg - Wikimedia Commons
/cdn.vox-cdn.com/uploads/chorus_asset/file/9192441/843531380.jpg "US Open results: Roger Federer out, Juan Martin del Potro into semis - SBNation.com")
US Open results: Roger Federer out, Juan Martin del Potro into semis - SBNation.com
Del Potro Stuns Federer To Win US Open | ATP Tour | Tennis
Del Potro outlasts Federer to win Indian Wells final | Deccan Herald
Juan Martin del Potro upends Roger Federer at US Open | CNN
US Open 2017: Roger Federer not 'in safe place' in Juan Martin del Potro loss - BBC Sport
/origin-imgresizer.eurosport.com/2013/10/27/1114968-18530784-2560-1440.jpg "Del Potro beats Federer to defend Basel title - Eurosport")
Del Potro beats Federer to defend Basel title - Eurosport
Roger Federer says Juan Martin del Potro has 'better chance' of beating Rafael Nadal at US Open | Tennis News | Sky Sports
File:Roger Federer and Juan Martin del Potro (8366840585).jpg - Wikimedia Commons
File:Roger Federer and Juan Martin del Potro (8367906922).jpg - Wikimedia Commons
Eight Years Later, del Potro Faces Same Daunting Task at U.S. Open - The New York Times
US Open Classics: Juan Martin del Potro vs. Roger Federer, 2009 US Open men's singles final - Official Site of the 2023 US Open Tennis Championships - A USTA Event
Roger Federer vs Juan Martín del Potro - 2009 Semi-final | Roland-Garros Classic Match - YouTube
