2018 Seattle Sounders (18-11-5)

4 Mar L Los Angeles FC 0- 1  
(0-1-0)
18 Mar L at FC Dallas 0- 3  
(0-2-0)
31 Mar L Mtl Impact 0- 1  
(0-3-0)
15 Apr T at Sporting KC 2- 2  
(0-3-1)
22 Apr W Minnesota 3- 1  
(1-3-1)
29 Apr L at Los Angeles FC 0- 1  
(1-4-1)
5 May T Columbus 0- 0  
(1-4-2)
9 May W at Toronto 2- 1  
(2-4-2)
13 May L at Portland 0- 1  
(2-5-2)
26 May L Real Salt Lake 0- 1  
(2-6-2)
2 Jun L at Real Salt Lake 0- 2  
(2-7-2)
9 Jun W DC United 2- 1  
(3-7-2)
13 Jun L at NY Red Bulls 1- 2  
(3-8-2)
23 Jun T Chicago 1- 1  
(3-8-3)
30 Jun L Portland 2- 3  
(3-9-3)
4 Jul W at Colorado 2- 1  
(4-9-3)
7 Jul T at New England 0- 0  
(4-9-4)
15 Jul T at Atlanta 1- 1  
(4-9-5)
21 Jul W Vancouver 2- 0  
(5-9-5)
25 Jul W at San Jose 1- 0  
(6-9-5)
29 Jul W NY City FC 3- 1  
(7-9-5)
4 Aug W at Minnesota 2- 1  
(8-9-5)
12 Aug W FC Dallas 2- 1  
(9-9-5)
18 Aug W LA Galaxy 5- 0  
(10-9-5)
26 Aug W at Portland 1- 0  
(11-9-5)
1 Sep W Sporting KC 3- 1  
(12-9-5)
15 Sep W at Vancouver 2- 1  
(13-9-5)
19 Sep L Philadelphia 0- 1  
(13-10-5)
23 Sep L at LA Galaxy 0- 3  
(13-11-5)
29 Sep W Colorado 4- 0  
(14-11-5)
8 Oct W Houston 4- 1  
(15-11-5)
17 Oct W at Orlando 2- 1  
(16-11-5)
21 Oct W at Houston 3- 2  
(17-11-5)
28 Oct W San Jose 2- 1  
(18-11-5)

4 Nov L at Portland 1- 2  
 
8 Nov W Portland 3- 2 (PK)