Wave Single Championship

The Wave Single Championship (WAVE認定シングル王座, Wēbu-nintei Shinguru Ōza) is a women's professional wrestlingchampionship owned by the Pro Wrestling Wavepromotion. The title is nicknamed and more commonly referred to as the Regina di Wave Championship (Regina di WAVE王座, Rejīna di Wēbu Ōza; Italian for "Queen of Wave"). The championship, which is situated at the top of Pro Wrestling Wave's championship hierarchy, was first announced on December 5, 2012. The inaugural champion was crowned on March 17, 2013, when Yumi Ohka defeated Kana in the finals of a five-woman tournament.

There have been a total of 25 reigns shared between 17 different wrestlers. Haruka Umesaki is the current champion in her first reign.