Tada made her professional debut on 9 May 2008, scoring a six-round unanimous decision (UD) victory against Napaporn Boonchuon at the Korakuen Hall in Tokyo, Japan.
[6] Following an eighth-round technical knockout (TKO) victory against Rathsada Sor Worasin in May 2014,[7] Tada suffered her second career defeat against Ortiz in a November rematch, again losing by SD.
[8] She bounced back from this defeat with a sixth-round TKO victory against Chamagorn Sithaithong in April 2015,[9] before facing Kareli Lopez for the vacant IBF female mini-flyweight title on 11 December at the Central Gym in Kobe, Japan.
[10][11] Following a TKO victory against Pornpimon Pongpaew in a non-title fight in June 2016,[12] Tada suffered her third defeat, losing her title via SD against Zongju Cai on 30 January 2017 at the Cotai Arena in Macau.
[13] In her next fight she defeated Naoko Shibata on 10 November, capturing the vacant WBO Asia Pacific mini-flyweight title via eight-round UD at the Korakuen Hall, with the judges scorecards reading 80–72, 78–74, and 77–75.
In a bout which Tada fought with an injured ankle that she picked up during training three weeks prior to the fight, she suffered a knockdown en route to a UD victory to become a three-time mini-flyweight world champion.