By Laurie Whitwell Follow @@lauriewhitwell As the tremors from Grigor Dimitrov’s earth-shattering defeat of Andy Murray began to fade on Thursday, we were left to wonder whether the tectonic plates of men’s tennis still had further to shift. Can this 23-year-old Bulgarian break new ground and beat another one of the Big Four? Novak Djokovic will hope the answer is no on Friday and the Serb certainly has experience on his side. Dreamland: Bulgaria's Grigor Dimitrov celebrates beating defending Wimbledon champion Andy Murray In control: Dimitov started far faster than Murray and never looked like letting his early lead slip
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The 23-year-old looked comfortable during his win against Murray
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His coach says there is 'no ceiling' on what the Bulgarian can achieve
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Djokovic leads 3-1 in previous encounters between the pair
But @placeholder knows that the player he faces today is a different proposition.