[1] On January 10, 2016, at SNKA WINNERS 2016 McGowan faced Shiro for the ISKA World Muay Thai Bantamweight title.

[3] On August 26, 2017, McGowan faced Ryan Sheehan for the vacant ICO World 55 kg title.

[4] McGowan became a force to be reckoned with when he knocked out multiple weights stadium champion Rungnarai Kiatmuu9 at YOKKAO in October 2017.

[5] This win opened him for big fights in Thailand where two months later he beat Thanadej Thor.Pran49 but injured his hand in the process.

Mcgowan made his comeback in September 2018, he knocked out Saengmorakot Sakphinyo with an elbow on the televised portion of an event at Rajadamnern Stadium.