Top 4 Wins And Losses Against Top 10 In 2013

So far in 2013 Djokovic has faced a top ten opponent seven times. His win loss ratio is 6/1

Wons against - Tsonga (8), Del Potro (7), Berdych (6) twice, Ferrer (5) and Murray (3)

Lost against - Del Potro

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Federer has faced a top ten opponent four times. His win loss ratio is 1/3

Won against - Tsonga (8)

Lost against - Murray (3), Berdych (6) and Nadal (5)

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Murray has faced a top ten opponent three times. His win loss ratio is 1/2

Won against - Federer (2)

Lost against - Djokovic (1) and Del Potro (7)

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Nadal has faced a top ten opponent four times. His win loss ratio is 4/0

Won against Federer (2), Berdych (6), Del Potro (7) and Ferrer (4)

No losses