. But against Djokovic, he plays the best returner in the history of the sport, who has won 44 per cent of his opponent's service games. 'Whenever you play somebody for the first time, and someone who has been in this situation so many times and come out victorious so many times, that's in the back of your head. You just know how rock-solid the guy is and how mentally tough, how physically tough. So that's definitely something that I have to game plan for,' said Shelton, who had never traveled outside the United States until the beginning of this year and reached the quarter-finals at the Australian Open in January. 'I also think that it's an advantage with my game style playing someone who's never played me before. I think that I can bring some things to the table that maybe you don't see in your normal match. 'So I'm definitely going to try to bring some things to the table that are different and hopefully disruptive on Friday.' Shelton is sure to have the majority of the support being the home favourite but Djokovic is ready for the partisan crowd. 'Sometimes you react, but most of the time you don't. I speak for myself,' Djokovic said. 'Obviously there is whatever percent of the time you don't react. People speak, they move around. You've got to be ready for that, particularly in US Open, especially in the night sessions. 'It just, you know, that's part of it. It's part of the sport, and I don't, you know, mostly I don't mind it, but, you know, in those important moments when you're all of a sudden under a lot of stress and you're facing a breakpoint and then all of a sudden everything annoys you and distract){kind=link}
Chosen by us to get you up to speed at a glance
By Simon Briggs in New York
The New York Police Department will provide an expanded security presence at the US Open after the climate change protest which held up play on Arthur Ashe Stadium for 49 minutes on Thursday night.
Four protesters disrupted play on Thursday, shouting out “Stop fossil fuels” during Coco Gauff’s semi-final against Karolina Muchova. Three of them were ushered out of the stadium by security staff but the fourth glued his bare feet to the concrete. Acetone – the substance used in nail-polish remover – had to be applied in order to free him, and this was the main cause of the delay.
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