Tennis legends gather to recreate some of their most nail-biting rounds. Following an opening bout between Pat Cash and Ivan Lendl (Andy Murray's coach), Andre Agassi will take on Pete Sampras. Their on-court beef has been called one of the most iconic tennis rivalries of all time – and on World Tennis Day, they're facing off once more. Rackets at the ready chaps, let's play clean. Courtside seats.