Invicta FC 9 was headlined by Barb Honchak defending her flyweight championship against Takayo Hashi. The co-main event was be Mizuki Inoue against Karolina Kowalkiewicz. Invicta FC 9 was headlined by Barb Honchak defending her flyweight championship against Takayo Hashi. The co-main event was be Mizuki Inoue against Karolina Kowalkiewicz. Invicta FC 9 was headlined by Barb Honchak defending her flyweight championship against Takayo Hashi. The co-main event was be Mizuki Inoue against Karolina Kowalkiewicz. Invicta FC 9 was headlined by Barb Honchak defending her flyweight championship against Takayo Hashi. The co-main event was be Mizuki Inoue against Karolina Kowalkiewicz.