However, after Rex Tso leaving his mother gym and returned to amateur boxing, his winning record decreased significantly. His amateur record is now 3 wins and 11 losses.
Professional career
Tso won the WBC Asia Continental Super Flyweight title in December 2012 in a bruising 12-round contest against Timur Shailezov of Kyrgyzstan, stopping his opponent in the 10th round.
He then captured the WBO Asia-Pacific Junior Bantamweight title against Mako Matsuyama in February 2014, winning by TKO in the 8th round of the 10-round contest.
Tso then added the WBA International Super Flyweight title to his collection after defeating Michael Enriquez in March 2015.
On May 14, 2016, Tso faced Young Gil-bae. Tso made easy work out of the South Korean veteran, dominating the whole fight before stopping him in the fourth round.[1]
He then captured the WBC Asia Super Flyweight title against Brad Hore in August 2015 and the WBO International Junior Bantamweight title against Ryuto Maekawa in October 2016.[2]
On March 11, 2017, he successfully defended his WBO International and WBC Asian Boxing Council titles and claimed the WBO Asia-Pacific title against Hirofumi Mukai. Tso battered Mukai and dropped him twice before finishing him with a left to the body in the 8th round. With the win, Tso improved his record to 21-0.[3]
In October 2017, Tso faced former WBA world champion Kohei Kono. Tso had sought to fight Kono while the latter a world champion, but was unable to draw him into the ring.[4] After six rounds, Tso was unable to continue due to swelling around his eye. Nevertheless, Tso remained unbeaten by winning a technical decision.[5]
