MORELIA, Mexico, May 2 (UPI) -- Ai Miyazato shot a 6-under 67 Sunday, beating Stacy Lewis by a single stroke to claim the Tres Marias Championship in Mexico.
The Japanese star notched her third 2010 championship, finishing at 19-under-par 273, one better than Lewis, who carded a 66 to end at minus-18.
Fifth place went to Na Yeon Choi, who closed at minus-13 with a round of 71.
Mexican favorite Lorena Ochoa finished sixth in her final tournament before retiring. She shot a 71 in the final round to finish at 12-under-par 280.
Ochoa was the two-time defending champion in the Tres Marias tourney.