![Sep 6, 2017; New York, NY, USA; Rafael Nadal of Spain celebrates after his match against Andrey Rublev of Russia (not pictured) on day ten of the U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Geoff Burke-USA TODAY Sports](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/O2ZUGKFVILLOXVPNBSFNQJZKDM.jpg?smart=true&auth=36f610f0317e05ef27f93e7c4dbef327c016b933e6ef98856b14ad266426eb54&width=400&height=225)
Rafael Nadal will stay as world No 1 even if he does not go on to win the US Open. Geoff Burke / USA Today Sports
Rafael Nadal will stay as world No 1 even if he does not go on to win the US Open. Geoff Burke / USA Today Sports
Rafael Nadal guaranteed to stay world No 1, but winning the US Open will prove he is worthy of it
Roger Federer's defeat to Juan Martin del Potro means the Spaniard will keep top spot in the ATP rankings
Graham Caygill
07 September, 2017