Auston Matthews had two goals and an assist, Jack Campbell stopped 24 shots and the Toronto Maple Leafs defeated the visiting Tampa Bay Lightning 5-0 in the opener of their first-round Eastern Conference playoff series.

Mitchell Marner added a goal and two assists for Toronto. Jake Muzzin and David Kampf also scored, and Campbell earned his second career playoff shutout. Morgan Rielly and Ondrej Kase each added two assists.

Andrei Vasilevskiy made 28 saves for Tampa Bay.

Game 2 of the best-of-seven series is Wednesday in Toronto.

The Lightning had the first two power plays of the game and were ineffective.

The second power play came when Kyle Clifford was assessed a five-minute boarding penalty and a game misconduct at 6:59 of the first period. Toronto had the better chances while killing the major penalty.

Muzzin scored on a 58-foot shot through traffic at 18:19 of the first period, 16 seconds after Toronto's second power play had expired. Kase and Ilya Mikheyev had assists.

Toronto had an 8-5 advantage in shots on goal after one period.

Matthews scored on a one-timer from the dot of the left circle on a five-on-three power play at 6:18 of the second period. Marner and John Tavares earned the assists. Mikhail Sergachev and Jan Rutta were both serving crosschecking penalties.

Kampf scored a short-handed goal at 9:27 of the second on a breakaway as a Lightning defender fell. Marner assisted on the play.

Marner put Toronto ahead 4-0 at 16:39 of the second with a goal from the slot after faking a shot. Rielly and Matthews had assists.

Matthews scored from a sharp angle from the bottom of the left circle at 8:16 of the third period as Vasilevskiy scrambled to regain his position after dealing with a dump-in pass. Kase and Rielly logged assists.

There were multiple skirmishes in the third period. Rielly and Rutta received fighting majors at 10:09. Toronto's Ilya Lyubushkin and Rielly and Tampa Bay's Corey Perry and Pat Maroon received misconducts.

At the game's end, Rutta and Toronto's Wayne Simmonds were assessed misconducts and Lyubushkin got a roughing penalty.

Jason Spezza and Justin Holl were among the scratches for Toronto.

Riley Nash and Zach Bogosian were scratched for Tampa Bay.

--Field Level Media