[6] In November, Sumanasekera was selected to represent the United States at the inaugural Junior Pan American Games alongside Katelyn Jong, Madray Johnson, and Kailin Chio.

In April, Sumanasekera competed at the 2022 City of Jesolo Trophy alongside Lew, Murphy, Madray Johnson, Zoey Molomo, and Gabby Van Frayen.

[10] In July, Sumanasekera was selected to compete at the 2022 Pan American Championships alongside Molomo, Dulcy Caylor, and Alicia Zhou, where she helped the United States win the team gold and won an additional three medals in the vault, balance beam, and floor exercise event finals.

In April she was named to the team to compete at the Pan American Championships alongside Zoe Miller, Addison Fatta, Joscelyn Roberson, Nola Matthews and traveling replacement athlete Madray Johnson.

[15] In September, Sumanasekera was named to the team to compete at the 2023 Pan American Games alongside Jordan Chiles, Kayla DiCello, Kaliya Lincoln, and Miller.

At the National Championships Sumanasekera placed ninth in the all-around and third on floor exercise behind Simone Biles and Kayla DiCello.