Novak Djokovic admits completing career Grand Slam has led to recent focus and motivation struggles

The Serb will face Italian Fabio Fognini in the second round in Shanghai. Kyle Edmund has set up a clash with US Open champion Stan Wawrinka about beating Federico Delbonis 6-3 5-7 6-4. Rafa Nadal and Roger Federer have both fallen out of the world’s top …
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