Turkish showjumping rider, Derin Demirsoy has announced the sportive retirement of his Grand Prix-horse, Harry K. The 16-year-old son of Equest Carnute jumped his last international competition at the Sunshine Tour. The pair represented Turkey at the European Championships in Aachen (2015) and Goteborg (2017). They won the Doha, Drammen and Mantes la Jolie CSI Grand Prix's.