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Novak Djokovic has managed to match Roger Federer and Rafael Nadal in the number of wins in the big four tournaments. The three tennis players have individually won 20 titles in Grand Slam tournaments. The four most important championships are Australian Open, Roland Garros, Wimbledon and U.S. Open. Federer 6+1+8+5=20, Nadal 1+13+2+4=20, Djokovic 9+3+5+3=20, respectively coloring page