Invicta FC 19: Maia vs. Modafferi was a mixed martial arts event that was headlined by Jennifer Maia defending her flyweight championship against Roxanne Modafferi. The event's co-main event featured atomweight champion Ayaka Hamasaki defending her title against top contender Jinh Yu Frey. Main Card: Jennifer Maia def Roxanne Modafferi, Ayaka Hamasaki def Jinh Yu Frey, Irene Aldana def Faith Van Duin, Kaline Medeiros def Manjit Kolekar, Kal Holliday def Tiffany van Soest, Jukia Jones def Stephanie Skinner, Amber Leibrock def Amy Coleman, Sunna Davidsdottir def Ashley Greenway.