Takahata made her WTA Tour main-draw debut at the 2011 Japan Women's Open, where she received a wildcard for the doubles tournament with Shuko Aoyama.

Aoyama and Takahata lost to the fourth seeds Kimiko Date-Krumm and Zhang Shuai in a tight three-setter.

At the 2014 Japan Women's Open, she also received a wildcard into the main draw with Kyōka Okamura.

They defeated Misaki Doi and Elina Svitolina in the first round, but lost to Darija Jurak and Megan Moulton-Levy in the quarterfinals.

At the 2015 Taipei Challenger, she won the doubles title, alongside Kanae Hisami.