 At the 2014 Summer Youth Olympics in Nanjing, he won a silver medal in the Mixed 4 × 100m freestyle relay.In the 50 metre freestyle, he won a silver medal with a time of 22.43, far from his best time.In the 100 metre freestyle, Santana won the gold and broke for the Junior world record for the fourth time, with a time of 48.25, the fifth fastest time in the world in 2014.