Taylor Fritz

Rafael Nadal's latest bid to finally land the first ATP Finals title of his career started with a defeat by American eighth seed Taylor Fritz. The 36-year-old Spaniard, runner-up in 2010 and 2013, lost 7-6 (7-3) 6-1. Fritz is making his debut at the season-ending event and his relentless returning was too much for Nadal. In the same group, Norwegian third seed Casper Ruud made a winning start with a 7-6 (7-4) 6-4 victory over Canada's seventh seed Felix Auger-Aliassime. The Turin tournament sees eight of the best men's players of the season split into two groups of four, with…