After compiling a record of 14–2–2 (8 KOs) he challenged WBO Asia Pacific bantamweight champion Jetro Pabustan on 12 October 2017 at the Korakuen Hall. Teshigawara scored a knockdown in the ninth round. In the tenth, after Pabustan received a point deduction for excessive holding, the referee called a halt to the contest to save Pabustan from further punishment, awarding Teshigawara his first professional title via tenth-round TKO. At the time of the stoppage Teshigawara was ahead on all three judges' scorecards with 89–81, 88–82, and 87–83.
