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
Washington Capitals - 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 ColumbusOTL 3-4
OT
0-0-1
4/15vs ColumbusOTL 4-5
OT
0-0-2
4/17at ColumbusW  3-2
2OT
1-0-2
4/19at ColumbusW  4-1 2-0-2
4/21vs ColumbusW  4-3
OT
3-0-2
4/23at ColumbusW  6-3 4-0-2

Second Round

Best of 7-game series
Date    OpponentResultScoreSeries
4/26vs PittsburghL  2-3 0-1
4/29vs PittsburghW  4-1 1-1
5/1at PittsburghW  4-3 2-1
5/3at PittsburghL  1-3 2-2
5/5vs PittsburghW  6-3 3-2
5/7at PittsburghW  2-1
OT
4-2

Conference Finals

Best of 7-game series
Date    OpponentResultScoreSeries
5/11at Tampa BayW  4-2 1-0
5/13at Tampa BayW  6-2 2-0
5/15vs Tampa BayL  2-4 2-1
5/17vs Tampa BayL  2-4 2-2
5/19at Tampa BayL  2-3 2-3
5/21vs Tampa BayW  3-0 3-3
5/23at Tampa BayW  4-0 4-3

Stanley Cup Finals

Best of 7-game series
Date    OpponentResultScoreSeries
5/28at VegasL  4-6 0-1
5/30at VegasW  3-2 1-1
6/2vs VegasW  3-1 2-1
6/4vs VegasW  6-2 3-1
6/7at VegasW  4-3 4-1