US Open 2018: Rafael Nadal vows to chase Grand Slam titles despite retiring in semi-final clash against Juan Martin Del Potro

US Open 2018: Rafael Nadal vows to chase Grand Slam titles despite retiring in semi-final clash against Juan Martin Del Potro Agence France-Presse Nadal, his World No 1 ranking still safe, said the trouble was the familiar tendinitis he's dealt with for a decade — unpredictable but not career-threatening. The post US Open 2018: Rafael Nadal vows to chase Grand Slam titles despite retiring in semi-final clash against Juan Martin Del Potro appeared first on Firstpost. FirstPost Unsubscribe from these notifications or sign in to manage your Email Applets.