James Blake's career ends with first round loss at U.S. Open

American James Blake’s career ended in a fifth-set tiebreaker at the U.S. Open after he won the first two sets.

The 33-year-old American lost 6-7 (2), 3-6, 6-4, 7-6 (2), 7-6 (2) in the first round to Ivo Karlovic just after midnight Thursday morning.

Blake announced Monday that he would retire after his U.S, open run .

Blake had won 11 straight first-round matches at Flushing Meadows since losing in his debut in 1999. Blake has been ranked as high as No. 4 in the world in his career and reached three Grand Slam quarterfinals.