Updated On: 17 November, 2020 06:04 AM IST | London | IANS
Djokovic won 65 per cent of his second-serve return points (13/20), showing great consistency. With his sixth win in as many ATP matches against Schwartzman, the 33-year-old equalled Andrey Rublevs Tour-leading total of 40 wins this season

Serbia's Novak Djokovic serves against Argentina's Diego Schwartzman in their men's singles round-robin match on day two of the ATP World Tour Finals tennis tournament at the O2 Arena in London. Pic/AFP
World No. 1 Novak Djokovic defeated Diego Schwartzman 6-3, 6-2 in his opening ATP Finals match at the O2 Arena here on Monday. This was his 12th straight victory in opening matches of the tournament.
Djokovic's only loss in an opening match at this event came in his tournament debut in Shanghai in 2007.