Playing career
Duda was drafted in the second round, 36th overall, by the Arizona Coyotes in the 2022 NHL entry draft. During the 2021–22 season, he recorded 14 goals and 27 assists in 52 games with Krasnaya Armiya of the MHL. During the playoffs he recorded five goals and 12 assists in 18 games and led all MHL defensemen in playoff scoring. During the 2022–23 season, he split time between the Kontinental Hockey League (KHL) and the MHL. He recorded three assists in 14 games for CSKA Moscow of the KHL and recorded five goals and eight assists in 14 games with Krasnaya Armiya of the MHL.
Following the season he moved to North America in January 2024 and attended Toronto Metropolitan University where he played for the TMU Bold. He recorded two goals and five assists in 12 regular season games. During the playoffs he recorded two goals and four assists in and helped TMU advance to the 2024 U Sports University Cup bronze medal game.
On 10 July 2024, Duda signed a three-year, entry-level contract with the Utah Hockey Club. During the 2024–25 season, he recorded six goals and 23 assists in 70 games for the Tucson Roadrunners of the American Hockey League (AHL). He led all Roadrunners rookies in scoring with 29 points, the 10th-most points by a rookie in franchise history and the third-most by a rookie defenseman. His plus-15 rating ranked fourth among rookie defensemen in the AHL and established a franchise record for the highest single-season plus-minus rating by a rookie defenseman.
On 23 October 2026, he signed a two-year contract extension with the Mammoth. He made his NHL debut for the Mammoth on 29 October 2026 against the Pittsburgh Penguins.
Russia
