Tkahuck registered a pair of power-play assists in Sunday's 5-3 win over the Oilers.
Tkachuk has three multi-point games over his last six contests, racking up a combined four goals and five assists, including four power-play points, in that span. The winger leads the Senators with 31 goals, reaching the 30-goal mark for the third straight season. He is still within reach of his career high of 35 goals from last year.