Novak Djokovic and Roger Federer knocked out of Shanghai Masters

Novak Djokovic and Roger Federer have both knocked out of the quarter-finals in Shanghai Masters. Stefanos Tsitsipas came from a set down and beat the 16-time Grand Slam winner 3-6 7-5 6-3. Djokovic had never previously failed to make the semi-finals in Shanghai. 20-time Grand Slam winner Federer, meanwhile, was beaten by Alexander Zverev 6-3 6-7 (7-9) 6-3. Tsitspilas will face Danil Medvedev in the semi-finals, while Zverev will play Matteo Berrettini.

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