The forward finished Miro Heiskanen’s cross-crease feed, snapping a shot past Predators goalie Juuse Saros from in tight at the right post.
Robertson also had an assist, Wyatt Johnston tallied a goal and an assist, and Jake Oettinger made 25 saves for Dallas (36-14-9), which matched its franchise record set in 2023-24 with eight straight wins and has won nine of its past 10 games.
Michael Bunting and Steven Stamkos each scored, Luke Evangelista had two assists, and Saros made 22 saves for Nashville (27-24-8), which is 4-3-4 in its past 11 games.
Bunting finished Miles Wood’s pass, snapping in a power-play goal from the left circle and making it 1-0 at 14:26 of the first period.
Stamkos pushed it 2-0 at 15:35. Evangelista generated the turnover inside the blue line and passed to Stamkos, who put it past Oettinger from the right face-off circle with a snap shot.
Johnston cut the lead to 2-1 at 16:18 of the second period with a power-play goal. Robertson fed it to Jamie Benn at the left post, whose cross-crease, backhand pass found Johnston at the right post for the snap shot.
Nathan Bastian tied it 2-2 at 5:31 of the third period when he pounced on the rebound of Thomas Harley’s shot and put it past Saros with a wrist shot in the slot.