LONDON, July 10 : Novak Djokovic left Wimbledon defeated but not disheartened on Friday as Jannik Sinner demolished the Serb in a one-sided semi-final to end his hopes of a record 25th Grand Slam title.As seven-times champion Djokovic walked off to a huge ovation after a 6-4 6-4 6-4 defeat, many inside Centre Court might have wondered whether the 39-year-old would ever return.Admitting afterwards that it had been "a good old blowout", Djokovic certainly did not sound like a man ready to call time on a staggering career."I would like to, at least one more time. Let's see," a subdued Djokovic told reporters when asked whether he would continue fighting the next generation as a 40-year-old at the 150th Wimbledon next year. While Djokovic fell just short of reaching a mind-boggling 39th Grand