[1] In his first full major junior season in 2019–20, Stankoven recorded 29 goals 19 assists for 48 points in 59 games with the Kamloops Blazers of the Western Hockey League (WHL).

He missed an opportunity to become the first 16-year-old player to score 30 goals in a season since Nolan Patrick in 2014–15 as a result of the league shutting down early with five games left on Kamloops' schedule due to the onset of the COVID-19 pandemic.

[2] Following his selection by the Dallas Stars in the second round, 47th overall, of the 2021 NHL entry draft, Stankoven was signed to a three-year, entry-level contract on September 29, 2021.

[1] The Blazers reached the Western Conference Finals, where they were ultimately defeated by the Seattle Thunderbirds, bringing their postseason to an end.

[8] In recognition of his efforts to raise over $50,000 for Canadian Blood Services and Kamloops' Royal Inland Hospital, Stankoven received the Doug Wickenheiser Memorial Trophy as the WHL's humanitarian of the year.

[10] Entering the 2023 WHL playoffs as contenders, the Blazers were defeated by the Thunderbirds in the Western Conference finals for the second consecutive postseason.

On the prospect of winning the Memorial Cup on home ice, Stankoven remarked "it would be a nice way to kind of cap things off.

[26] After the team opened the tournament with a loss to the Czech Republic, the forward lines were reorganized with Stankoven centering Connor Bedard and Joshua Roy.