Both are suitable.
Fighting Tigers and Going Up the Mountain, this is a traditional Chinese music piece. The rhythm is bright and the melody is cheerful. Often used in dance performances or situations where skills and speed are demonstrated. If you are good at playing fast music, have good technique and sense of rhythm. Then choosing Tiger Mountain Hiking may be more suitable for you. Fantasia is a musical form. Usually presented in a lyrical and romantic style. Fantasia has a looser rhythm and expressiveness. Suitable for showcasing musical emotion and technique. If you are good at playing music that is emotional and expressive. Then Fantasia might be more suitable for you.