While mixed martial arts is primarily a male dominated sport, it does have female athletes.
 Female competition in Japan includes promotions such as DEEP Jewels.
 Now defunct promotions that featured female fighters were Valkyrie, and Smackgirl.
 Professional mixed martial arts organizations in the United States that invite women to compete are industry leader Ultimate Fighting Championship, the all female Invicta Fighting Championships, Resurrection Fighting Alliance, Bellator Fighting Championships, and Legacy Fighting Championship.
 Now defunct promotions that featured female fighters were Strikeforce and EliteXC.
Angela Hill is an American mixed martial artist who competes in the strawweight division.
 She was formerly signed with the Invicta Fighting Championships, of which she is the strawweight champion.
 She is also a former World Kickboxing Association champion.
 Hill currently fights for the Ultimate Fighting Championship.
 As of July 31, 2017 Fight Matrix ranks her #8 female MMA strawweight in the world.
Raquel Pennington (born September 5, 1988) is an American mixed martial artist who competes in Ultimate Fighting Championship women's bantamweight division.
 She has previously fought for Invicta Fighting Championships.
Gilbert Ramon Yvel (born June 30, 1976) is a retired Dutch mixed martial artist associated with the Vos Gym in the Netherlands.
 Yvel mostly competed as a Heavyweight, but also competed as a Light Heavyweight in the final two fights of his career.
 A professional competitor for 16 years from 1997-2013, Yvel competed in the PRIDE Fighting Championships, Affliction, the UFC, RINGS, M-1 Challenge, Cage Rage, K-1, and Showtime promotions.
Jessica Penne (born January 30, 1983) is an American mixed martial artist.
 She was the first Invicta FC Atomweight Champion.
 She also competed in the first women's bout in Bellator Fighting Championships.
 She currently competes in the Women's Strawweight division of the Ultimate Fighting Championship (UFC).
Jessamyn Laurel Duke (born June 24, 1986) is an American mixed martial artist who formerly competed in the Ultimate Fighting Championship.
 She currently competes for Invicta Fighting Championships in the women's bantamweight division.
Marloes Coenen (born March 31, 1981) is a retired Dutch mixed martial artist.
 She has competed professionally since 2000 and is a former Strikeforce Women's Bantamweight Champion.
Tonya Evinger (born June 4, 1981) is an American mixed martial artist.
 She previously competed for EliteXC, Raging Wolf and Invicta Fighting Championships, and was the Invicta Bantamweight Champion.
 She is currently signed to Ultimate Fighting Championship (UFC).
Romy Ruyssen (born August 24, 1989) is a French mixed martial artist.
 She has competed professionally since 2007 and headlined the first Invicta Fighting Championships event against Marloes Coenen and holds a submission win over former UFC fighter Sheila Gaff.
Julie Kedzie (born March 18, 1981) is a retired American mixed martial artist.
 She is a third degree black belt in Tae Kwon Do and specializes in Brazilian Jiu-Jitsu.
 Kedzie was Greg Jackson's personal assistant at Jackson's Mixed Martial Arts.
 Kedzie has been working for Invicta Fighting Championships as a fight commentator and interviewer.
 In December 2013, Kedzie became the new matchmaker for Invicta FC.

Question: Romy Ruyssen, is a French mixed martial artist, she headlined the first Invicta Fighting Championships event, against which retired Dutch mixed martial artist?
Answer: Marloes Coenen