Rafael Nadal defeated which 19-time Grand Slam titlist in the 2008 French Open for his fourth straight clay major title?
2008 French Open – Men's Singles Rafael Nadal was the 3-time defending champion and retained his title, defeating Roger Federer in the final 6–1, 6–3, 6–0. This was Federer's worst loss in a Grand Slam event in his entire
2007 Dubai Tennis Championships – Men's Singles First-seeded Roger Federer defeated Mikhail Youzhny 6-4, 6-3 to win the 2007 Dubai Tennis Championships singles event.