First Round
Second Round
Conf. Finals
Stanley Cup
NJ 1
TB 4
TOR 3
BOS 4
WAS 4
CBJ 2
PHI 2
PIT 4
COL 2
NSH 4
MIN 1
WPG 4
LV 4
LAK 0
SJ 4
ANA 0
BOS 1
TB 4
WAS 4
PIT 2
WPG 4
NSH 3
LV 4
SJ 2
WAS 4
TB 3
LV 4
WPG 1
Boston Bruins - 2017-18 NHL Playoffs Logo
WAS 4
LV 1
Champ
WAS
2017-18 NHL Champion Washington Capitals
z: best record, c: conference winner, y: division winner, w: wildcard, x: clinched playoff spot
In the First Round, the lower seeded wild card in the conference played against the division winner with the best record while the other wild card played against the other division winner, and both wild cards were de facto #4 seeds.

First Round

Best of 7-game series
Date    OpponentResultScoreSeries
4/12vs TorontoW  5-1 1-0
4/14vs TorontoW  7-3 2-0
4/16at TorontoL  2-4 2-1
4/19at TorontoW  3-1 3-1
4/21vs TorontoL  3-4 3-2
4/23at TorontoL  1-3 3-3
4/25vs TorontoW  7-4 4-3

Second Round

Best of 7-game series
Date    OpponentResultScoreSeries
4/28at Tampa BayW  6-2 1-0
4/30at Tampa BayL  2-4 1-1
5/2vs Tampa BayL  1-4 1-2
5/4vs Tampa BayOTL 3-4
OT
1-2-1
5/6at Tampa BayL  1-3 1-3-1