As the sunshine swing draws to a close in Miami the latest Tennis Podcast reviews an extraordinary pair of titles for American players Sloane Stephens and John Isner. Stephens has endured a disappointing run of form since becoming a surprise US Open winner in September last year, but her exceptional performances in Miami lead the podcast team to speculate whether she may always be a player that experiences high peaks and low troughs. Stephens’ beaten final opponent Jelena Ostapenko is also discussed, as she embarks upon the build-up to defending her own surprise Grand Slam title of 2017 on the clay in Paris. Meanwhile, in the men’s final Isner proved that being older than Catherine & taller than David is no barrier to winning an ATP Masters 1000 title. At 32 years of age and 6ft 10in tall, the American’s thrilling thee set victory over Alex Zverev anointed him the oldest ever debut Masters champion, and the tallest-ever, full-stop. Also covered is the breaking news that Andre Agassi has left his role as coach to Novak Djokovic, in what sounds like a less than mutual agreement. How can 12-time Grand Slam Champion Djokovic reverse his slump and become a relevant force in the sport once again?The Tennis Podcast is produced weekly throughout the year and daily during the Grand Slam tournaments, in association with Telegraph Sport. See acast.com/privacy for privacy and opt-out information.