Elsewhere, Kei Nishikori beat Australian Open champion Stanislas Wawrinka in five sets, and Serena Williams and Ekaterina Makarova eased into the women’s semi-finals.
Here is a selection of the best social media reaction from the professionals from the US Open on Wednesday.
Murray issues a rallying cry ahead of his match against world number one Djokovic:
Former world number one Victoria Azarenka (@vika7) reflects on their straight sets lose to Makarova: “The important thing is what u do with it! And there is no stopping for me for what I believe and dream about! Next step and many more to come! I’m ready for whatever… Thank u all for the support and well done to my opponent today! Well deserved! #usopen”
17-time Grand Slam champion Roger Federer is relaxing before his semi-final against Gael Monfils:
Japan hero Kei Nishikori (@keinishikori) is thrilled to win a gruelling 3-6, 7-5, 7-6 (7), 6-7 (5), 6-4 victory over Stanislas Wawrinka: “What a night again! Very happy with my win. Now 2 days to get ready for Semi’s. Excited for the next opportunity”
Chris Evert is happy to welcome Williams to her studio as the world number one aims to equal her compatriot’s 18 Major titles:
— Chris Evert (@ChrissieEvert) September 4, 2014
Tennis legend Billie Jean King meets a comedy icon and big tennis fan Ben Stiller:
— Billie Jean King (@BillieJeanKing) September 4, 2014
Djokovic’s coach Boris Becker (@TheBorisBecker) lavishes praise on the Serbian after four set win against Murray: “Let’s do this ! The fighter ! djokernole #teamdjokovic #usopen14 #nolefam #idemooo
Finally, Wimbledon finalist Eugenie Bouchard (@geniebouchard) enjoys the finer things in life after her US Open exit: “99 cent midnight pizza #nyc”
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