Serena Williams’ dream of becoming the first tennis player to win a calendar-year Grand Slam in 27 years was dashed by Roberta Vinci, who had never previously taken a set from her, never gone beyond a major quarterfinal, and lost more tennis matches than she had won in 2015 prior to the US Open. Afterwards, the Telegraph’s Tennis Correspondent Simon Briggs joined BBC Radio 5 Live commentator David Law on the Tennis Podcast to try to make sense of it all, and answer the question ‘was this the biggest tennis upset ever?’.  Earlier, Flavia Pennetta set up an all-Italian final, and so the Tennis Podcast spoke to Vincenzo Martucci, veteran tennis writer of 37 years for Italian newspaper La Gazzetta dello Sport. In his final year in the job, he suddenly found himself covering the biggest story of his career. There’s a preview of a mouth-watering men’s singles final on Sunday - the 42nd edition of Roger Federer vs. Novak Djokovic (the head-to-head is 21-20), and Jamie Murray’s quest for a first Grand... See acast.com/privacy for privacy and opt-out information.