The British No1 posted the picture above on his Instagram account on Wednesday and wrote: “Great hit with Marin Cilic today.
“Goran trying to keep a low profile at the back of the court, we still managed to get him in the shot though ;) #FinalShowdown #Queens #tourfinals #training.”
The 27-year-old has been drawn in Group B along with Roger Federer, Kei Nishikori and Milos Raonic for the season-ending showdown.
The World Tour Finals get under way at London’s O2 Arena on Sunday.
Murray’s campaign begins with a Round Robin match against Nishikori on Sunday evening.
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