Which headlined event did Romy Ruyssen face off against a Dutch martial artist at?
Romy Ruyssen 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.
Sander Thonhauser Sander Thonhauser is a Dutch professional mixed martial artist. He competes in the Heavyweight division. He is a RINGS Holland veteran and has also fought for many other top promotions.