In the 2016–17 season, Zahorski/Guerreiro won the bronze medal at the 2016 CS Ondrej Nepela Memorial after placing third in both segments and earning a new personal best total score of 165.64 points. They received another bronze medal in their next event, the 2016 CS Finlandia Trophy. They then made their Grand Prix series debut at the 2016 Rostelecom Cup where they placed fifth. A few weeks later they won their third Challenger Series medal of the season, the silver at the 2016 CS Warsaw Cup with a personal best score of 173.02 points.