In 2015, Ana Luiza made her senior international debut competing at the 2015 Moscow Grand Prix finishing 23rd in the all-around. On April 10–12, Ana Luiza finished 45th in the all-around at the 2015 Pesaro World Cup. On June 15–21, Ana Luiza competed at the inaugural 2015 European Games where she finished 18th in the all-around. In August, Ana Luiza finished 35th in the all-around at the 2015 Budapest World Cup and 22nd at the 2015 Sofia World Cup. On September 9–13, Ana Luiza competed at the 2015 World Championships in Stuttgart finishing 37th in the All-around qualifications and did not advance into the Top 24 finals.