Auckland - American Jack Sock triumphed in the final of the Auckland Classic on Saturday with a 6-3, 5-7, 6-3 win over Joao Sousa from Portugal.
It was a sweet outcome for Sock after he was forced to retire because of illness in last year's final against Spain's Roberto Bautista Agut.
This year he stayed healthy and took less than two hours to dispose of Sousa, who had not dropped a set previously in the tournament.
Sock, the tournament fourth seed who had been extended in two three-setters early in the week, broke at 3-3 when the Portuguese put a backhand volley into the net to take command of the first set.
After a break each early in the second set Sock was poised to take out the match at 5-4 with Sousa serving and down 0-30.
However, Sousa fought back with four straight points and continued to dominate when he broke Sock in the next game and went on to hold serve to level at a set each.
In the decider, Sock made the crucial break in the eighth game and then held serve for the championship.