Retsu Kosaka2-4-0WinsLossesKO/TKO0% of winsSUBMISSION0% of winsDECISION100% of winsAgeN/ARetsu KosakaPro Boxing Record2-4-0WinsLossesKO/TKO0% of winsSUBMISSION0% of winsDECISION100% of winsAgeN/A