British number two Cameron Norrie was knocked out of the Austria Open by Italy's Matteo Berrettini in a dramatic last-16 match.
The world number 59 overcame Norrie in three hours and 16 minutes with a 7-6 (8-6) 6-7 (9-11) 6-4 victory in Vienna.
Norrie let a 4-1 lead slip in the first set, and was punished in the tie-break as Berretini edged ahead.
The second set was even tighter, with both players keeping serve throughout.
The Italian squandered a match point in the tie-break, with Norrie taking his fourth set-point opportunity to level the match.