Andy Murray was knocked out of the Miami Open as he suffered a dramatic 5-7 7-5 7-6 (7-5) defeat by Tomas Machac in the last 32.
The Briton took his ninth break point to take a 6-5 lead before serving out to love to take the opening set.
Machac broke Murray for the first time at 6-5 in the second to draw level.
Murray retrieved a break in the decider and saved match point when serving to stay in the match before succumbing to defeat when he lost the tie-break.
The 36-year-old Scot had worryingly gone down with an ankle injury at the net after hitting the winner to level at 5-5 in the third set.