At the 2020 U.S. Championships, Smirnova/Siianytsia were third in the short program, but won the free skate to earn the silver medal behind Kate Finster / Balazs Nagy. As a result, they were named to the 2020 World Junior Championships team, alongside Finster/Nagy and Winter Deardorff / Mikhail Johnson. Smirnova/Siianytsia finished tenth at the World Junior Championships.