Andy Murray has retired from tennis after he and his playing partner, Dan Evans, succumbed to a 6-2, 6-4 straight-sets defeat in the Olympic men's doubles quarterfinals on Thursday.Murray and Evans had miraculously found ways to win them opening two matches via a total of seven match points saved, but they were no match for Team USA's Taylor Fritz and Tommy Paul on the red clay of Roland Garros' Court Suzanne-Lenglen.READ ALSO: Tennis: Andy Murray Absence Extends With Ankle InjuryThe British pair were beaten handily in the first set, managing to win just two games. Although they spirited a brief fightback from 5-2 down in the second set, it only delayed the inevitable as the American pair ran out comfortable winners.It brings an end to Murray's 19-year career that has seen him win three Grand Slam titles - the US Open in 2012 and Wimbledon in 2013 and 2016. He has also twice been crowned Olympic men's singles champion, at London 2012 and Rio 2016, as well as a mixed doubles silver alongside Laura Robs on.'I'm proud of my career,' Murray told reporters afterward. 'I worked really, really hard to achieve the results I did at a really difficult time to win the major titles. I'm proud. I gave it a good go. How my body has finished up shows I've put it through a lot. So I'm looking forward to a rest now.'Source :News Agency of Nigeria