Tennis coach Adrian Moll says there must be something in the water in Maidstone in light of the town’s sporting success stories over the years. Maidstone Tennis Academy, where Moll is director of tennis, continue to fly their flag for Kent’s county town with a raft of high achievers. He can also point to football, including Maidstone United’s FA Cup heroics last season and Alessia Russo’s European Championship glory with England, while, going back, Jon Harley played in the Premier League for Chelsea and Fulham. Maidstone has also never had it so good in boxing, with the town boasting a pair of…