Remarkably, this was the fourth time Djokovic had made it this far at the Games and the first time he has come out on top, with a bronze in 2008 his only previous medal.Now he is guaranteed to better it after defeating Italy’s Lorenzo Musetti 6-4 6-2, setting up a rematch of the Wimbledon final, where he was well beaten by Alcaraz.Djokovic left Roland Garros on Thursday evening very concerned that he had sustained more damage to his right knee, which has been strapped up since he underwent surgery following a meniscus tear at the French Open.He moved well here but the match was not without…