Wimbledon: Juan Martin del Potro shocked by world No 589 Jul 06, 2017 MATTHEW LAMBERT AT WIMBLEDON: Juan Martin del Potro is out of Wimbledon after a sensational display from world No 589 Ernests Gulbis, who sealed a 6-4, 6-4, 7-6 (7-3) win. Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus