Luke Donald shot a 5-under 66 on Sunday to defend his title at the Dunlop Phoenix and earn his first victory of the year.
Heading into the final round with a two-stroke lead, Donald had seven birdies and two bogeys at the par-71 Phoenix Country Club to finish at 14-under 270 on the Japan Tour.
Kim Hyung-sung of South Korea finished second at 8 under after a final-round 70. Shingo Katayama shot a 65 to finish third, one stroke behind Kim.
Spain's Gonzalo Fernandez-Castano and Japan's Shunsuke Sonoda tied for fourth.