Complex sentence: Her professional boxing career began on November 2,1996 with her first world title try, as she went right away and challenged Halmich for the WIBF's world Flyweight title, losing by a second round knockout.
Split into simpler sentences: Her professional boxing career began on November 2,1996. Her debut fight also happened to be her first world title try, as she went right away and challenged Halmich for the WIBF's world Flyweight title, losing by a second round knockout.