[1][2] Takahashi debuted on June 28, 2009 (2009-06-28), defeating Kanako Oka by unanimous decision in a special rules bout after an extra round at Young Caesar Cup Tokyo 2009.
[6][7] Takahashi rebounded with a victory over Harumi by TKO (referee stoppage) in the second round on November 18, 2009 (2009-11-18), at Shoot Boxing 2009: Takeshi Road -bushido- The Fifth.
[8][9] Earning her second straight TKO victory, Takahashi defeated Asako Saioka on March 19, 2010 (2010-03-19), at Jewels 7th Ring.
[12][13] On July 31, 2010 (2010-07-31), at Jewels 9th Ring, Takahashi faced and defeated Emiko Matsumoto by TKO (punches) in the third round.
She faced and defeated in dominant fashion American mixed martial artist Karina Hallinan by unanimous decision after three rounds.
[22][23] Takahashi next defeated Emi Fujino by TKO (corner stoppage) in the first round of their match at Shoot Boxing 2011 act 2: SB168 on April 23, 2011 (2011-04-23).
[46][47] Takahashi defeated Yuri Kim via standing guillotine choke in round one at Shoot Boxing 2013: Act.3 on June 23, 2013 (2013-06-23).
[52][53] Takahashi defeated Miyo Yoshida by unanimous decision at Shoot Boxing Battle Summit: Ground Zero Tokyo 2013 on November 16, 2013 (2013-11-16).