At 2006 Dubai Tennis Championships – Men's Singles, Rafael Nadal defeated the defending champion who has won how many Grand Slam singles titles?
2006 Dubai Tennis Championships – Men's Singles Roger Federer was the defending champion but lost to Rafael Nadal in the final, 2–6, 6–4, 6–4.
2015 China Open – Men's Singles Novak Djokovic was the three-time defending champion and successfully defended his title, defeating Rafael Nadal in the final, 6–2, 6–2. It was his 6th title in Beijing and brought his record at the tournament to 29–0.