Eri Matsuda, a Japanese professional boxer that currently is the WBA, and WBO Atomweight champion. She is set to fight on November 23, 2024 against WBC Champion Tina Rupprecht of Germany, in a ten-round bout. The two will be fighting a championship unifiation bout for the WBA, WBO and WBC world titles. Tina is 13-1-1 (3KO) and Eri is 7-1-1 (3KO) going into the bout.

Eri Matsuda has held the WBA and WBO female world atomweight titles since January 2024. Eri made her pro debut on August 20, 2018. In that event, it was an all-female card that took place at the Korakuen Hall, in Tokyo, Japan. In an all female card. In the fifth fight on the card, Matsuda, 102, of Kanagawa, Japan, won a six-round unanimous decision over Sana Hazuki, 101.5, of Fukuoka, Japan. Full Story
In her second professional bout that took place on December 1, 2018, at the EDION Arena Osaka, Osaka, Japan, Matsuda, 101 1/2, won an eight-round unanimous decision over Minayo Kei, 101 1/2. Final judges scores were 79-72 on all cards.

On March 13, 2019, at the Korakuen Hall, Tokyo, Japan, Matsuda, 101.5, won an eight-round unanimous decision over Nanae Suzuki, 101.5. The two were fighting for the OPBF & Japanese Atom title.
On September 12, 2019, at the Korakuen Hall, Tokyo, Japan, Matsuda fought for the Japan Atomweight 102 lb. title, where Matsuda, the champion won by a TKO.
On March 18, 2021, at the Korakuen Hall, Tokyo, Japan, Atomweight Saemi Hanagata, 101¼, had a ten-round majority draw with Matsuda. The two were fighting for the IBF Atom title.
On September 1, 2022, at the Korakuen Hall, Tokyo, Japan, in a second female bout, Kaori Nagai, 101 3/4, won an eight-round unanimous decision over Matasuda, 102. Final judges scores were 94-96, 94-96, and 95-95. The two were fighting for the IBF Atom World Title.
On June 13, 2023, at the Korakuen Hall, Japan, Matsuda, 105 1/2, won an eight-round unanimous decision over Nanako Suzuki, 105 1/2. Final judges scores were 79-93, 80-72 and 79-73.
On January 12, 2024, at the Korakuen Hall, Japan, Matsuda, 101 3/4, won a ten-round split decision over Yuko Kuroki, 101 1/2. The two were fighting for the WBO Atom World title. Final judges scores were 97-93, 94-96, and 96-94.