Kucherov extended his goal streak to five games (seven goals) and point streak to seven games (seven goals, 10 assists).
Brayden Point had a goal and an assist, and Brandon Hagel and Dominic James also scored for the Lightning (25-13-3), who won all three games on their California road trip. Andrei Vasilevskiy made 19 saves.
Pavol Regenda scored his first career hat trick, and Macklin Celebrini had an assist to extend his point streak to 10 games (seven goals, 13 assists) for the Sharks (20-18-3), who had won three in a row and six of nine (6-3-0). Yaroslav Askarov allowed three goals on ten shots before being replaced early in the first period by Alex Nedeljkovic, who stopped 12 of 16 shots in relief.
Point gave Tampa Bay a 1-0 lead at 2:37 of the first period. While on a 3-on-2, Point took a pass from the left wing from Max Crozier and beat Askaov by the blocker with a wrist shot.
Raddysh extended it to 2-0 at 4:08. Kucherov turned behind the net and found Raddysh at the top of the right circle, and his one-timer got through the arm of Askarov.
Hagel pushed it to 3-0 at 6:46. Jake Guentzel bumped a pass from the left wing to Hagel, driving the net, and his one-timer beat Askarov by the blocker. Nedeljkovic replaced Askarov following the goal.
Regenda cut it to 3-1 with a power play goal at 10:50. Timothy Liljegren’s shot from the point rebounded to Regenda in front, and he swept the puck in off both posts and over the goal line.
Raddysh scored his second goal on the power play to extend it to 4-1 at 2:49 of the second period. His one-timer from the point beat Nedeljkovic by the blocker.
James scored 1:06 later to make it 5-1. The puck bounced in front to James following a face-off, and he made a backhand move around Nedeljkovic’s left pad.
Regenda’s second goal cut it to 5-2 at 9:50. Jeff Skinner skated down the left wing and shot off Vasilevskiy’s left pad, and the rebound went right to Timothy Liljegren in front before the puck deflected off Regenda and in.
Kucherov scored a power-play goal at 14:08 to make it 6-2 when his wrist shot beat Nedeljkovic by the blocker after coming down from the right wing.
Raddysh completed the hat trick with a one-timer on the power play to push it to 7-2 at 16:53.
Regenda then scored his third goal at 16:11 of the third period for the 7-3 final, sweeping the puck through the five-hole of Vasilevskiy.