Kopacka, 19 (3/5/98), has collected 50-43=93 points with a +4 rating and 28 penalty minutes (PIM) in 136 career games with the Sault Ste. Marie Greyhounds of the Ontario Hockey League. Kopacka has also appeared in 23 OHL Playoff games, earning 7-8=15 points with four PIM.
Selected in the fourth round (93rd overall) of the 2016 NHL Draft, Kopacka recorded 30-19=49 points with a +8 rating and 16 PIM in 65 games with the Greyhounds in 2016-17. The 6-2, 202-pound forward set OHL career highs during the regular season in goals, points and plus/minus. He also ranked second on the Greyhounds in playoff scoring (5-6=11) and assists in 11 postseason appearances this spring.
