Defending champion Roger Federer eased past Janko Tipsarevic in his first group match at the ATP World Tour Finals, breaking the record for most match wins at the season-ending tournament.
Federer of Switzerland, a six-time champion at the event for the world’s top eight singles players and doubles teams, beat the No. 8 seed from Serbia 6-3, 6-1 at London’s O2 arena.
Before today, Federer had been tied with Ivan Lendl for most match wins at the ATP Finals with 39.
Britain’s Andy Murray, the reigning U.S. Open champion, and top-ranked Novak Djokovic of Serbia both won their group matches yesterday. Spain’s David Ferrer faces former U.S. Open champion Juan Martin del Potro of Argentina later in the day.
The ATP World Tour Finals feature a round-robin format, with the top eight players in the rankings divided into two groups of four, with the top two in each section moving into the knockout semifinals.
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