Complex sentence: Shevchenko has held several kickboxing and muay thai titles, such as the International Federation of Muaythai Amateur World Championships and World Muaythai Council and she has been highly regarded as one of the best female Muay Thai fighters in the world.
Split into simpler sentences: Shevchenko has held several kickboxing and muay thai titles, such as the International Federation of Muaythai Amateur and World Muaythai Council championships. Shevchenko is considered to be one of the best female Muay Thai fighters in the world.