Tomsick, who battled illness during the game and threw up on the sideline during half-time, made 11 out of 17 three point shots during the game. On 15 February 2020, Tomsick scored 19 points in Stjarnan's 75-89 win against Grindavík in the Icelandic Cup finals. For the season he averaged a team leading 20.1 points along with 5.1 assists. On 14 April 2020, Tomsick signed with Tindastóll, meeting his former Þór Þorlákshöfn coach Baldur Þór Ragnarsson.