Asuncion played at the 2006 Philippine Open Grand Prix Gold in mixed doubles. He beat Indonesia's
Tri Kusharjanto and
Minarti Timur 21-15, 21-10 before losing to
Sudket Prapakamol and
Saralee Thungthongkam of Thailand in the finals. He played for the 2009 Sudirman Cup in Guangzhou, China; with the other Filipino players, including his sister Kennie. They showed good results in the said mixed team championships where they beat South Africa with a 1-4 score, before losing to Switzerland 4-1. He is currently coaching the University of the Philippines and in the International School Manila' Badminton Team. == Achievements ==