Tennis Integrity Unit is responsible for combating corruption in tennis and has recorded at least two of the Treaty of the match, which had Mitsuhashi. It happened at the Junior competitions in November and December 2015. In addition to a lifetime disqualification Mitsuhashi will have to pay a fine in the amount of 50 thousand dollars.

The highest achievement Mizuhashi in the rating of Association of tennis professionals was 295-I line in 2009.