Zenniz has developed the world’s first affordable tennis tracking solution for amateur tennis players and tennis centres. Zenniz provides automated refereeing during a tennis match (instant line calls, replays, serve & stroke speed, scoreboard) and extensive game analysis features after the match. Our product enables tennis players to analyse and visualise data from the matches and training sessions, and share important results with their friends in an online community. Zenniz tracking system is approved by ITF. Winner of TIA Tennis Innovation Awards UK 2017