The Tampa Bay Lightning were defeated by the Boston Bruins, 6 to 2, in Game 1 of the 2018 Eastern Conference Second Round on April 28, 2018.

The Tampa Bay Lightning were defeated by the Boston Bruins, 6 to 2, in Game 1 of the 2018 Eastern Conference Second Round on April 28, 2018.
1st period
BOS
TBL
Rick Nash (PP) assisted by Patrice Bergeron and David Pastrnak
1
0
2nd period
BOS
TBL
Patrice Bergeron (EV) assisted by David Pastrnak and Brad Marchand
2
0
Dan Girardi (EV) assisted by Cedric Paquette and Victor Hedman
2
1
Rick Nash (EV) assisted by David Krejci and David Pastrnak
3
1
Mikhail Sergachev (PP) assisted by Brayden Point and Yanni Gourde
3
2
3rd period
BOS
TBL
Brad Marchand (EV) assisted by Charlie McAvoy
4
2
Patrice Bergeron (EV) assisted by David Pastrnak and Brad Marchand
5
2
Jake DeBrusk (EV-EN) assisted by Brad Marchand and Charlie McAvoy
6
2