Osaka splits from coach Fissette Japanese tennis star and former world number one Naomi Osaka announces she has split from coach Wim Fissette. Original Source: https://sports.yahoo.com/osaka-parts-ways-coach-fissette-062342554.html Previous article: Argentina reaches Davis Cup Final after tense win over Finland Prev Next article: Andy Murray’s spectre stalks Jack Draper in battle to become Britain’s next great hope Next