Zheng won competitions ranging from 2009 US Open, Orlando, 36th Annual Shorinryu Open Karate Championships, to 2010 Washington State Karate Federation Invitational Tournament and USA National Karate Federation Qualifier.
Zheng memenangkan kompetisi dari 2009 US Open, Orlando, Kejuaraan Karate Terbuka Shorinryu Tahunan ke-36, sampai Turnamen Invitasional Federasi Karate Negara Bagian Washington 2010 dan Kualifikasi Federasi Karate Nasional AS.