Rafael Nadal responds to claims he’s unbeatable at French Open ahead of Novak Djokovic tie 0 3 10 Jun 2021 09:35 Express.co.uk (tennis) Rafael Nadal extended his sensational record at Roland Garros via a four-set victory over Argentine Diego Schwartzman to set up a mouth-watering semi-final clash with world number one Novak Djokovic.