He is the former Rajadamnern, WPMF and IBF Muaythai World mini flyweight champion.
In April 2019, he fought a rematch with Newjorwan Pumpanmuang, for the Muay Siam Isan 105lbs title.
Okuwaki once again defeated Newjorwan, this time with a second round head kick knockout.
[4] In September 2019, Okuwaki was scheduled to fight Mungkornyok AnnyMuayThai for the Rajadamnern Stadium 105lbs title.
Okuwaki fought Phetsila MTM Academy for the WPMF World Mini Flyweight title at BOM 2-6.