date	season	round	team	score	team	venue	referee	attendance	sources
Oct. 31, 2018	2018	Knockout	New York City FC	3 - 1	Philadelphia Union	Yankees Stadium	Robert Sibiga	15153	4
Oct. 31, 2018	2018	Knockout	FC Dallas	1 - 2	Portland Timbers	Toyota Stadium (Frisco)	Alan Kelly	10297	4
Nov. 1, 2018	2018	Knockout	Los Angeles FC	2 - 3	Real Salt Lake	Los Angeles, CA		—	4
Nov. 1, 2018	2018	Knockout	Columbus Crew	(SO) 2 - 2	D.C. United	RFK Stadium	Allen Chapman	20600	4
Nov. 4, 2018	2018	qf	Atlanta United	1 - 0	New York City FC	Yankees Stadium	Kevin Stott	19198	4
Nov. 4, 2018	2018	qf	Columbus Crew	1 - 0	New York Red Bulls	Crew Stadium	Nima Saghafi	12892	4
Nov. 4, 2018	2018	qf	Portland Timbers	2 - 1	Seattle Sounders	Providence Park	Ted Unkel	21144	4
Nov. 4, 2018	2018	qf	Real Salt Lake	1 - 1	Sporting Kansas City	Rio Tinto Stadium	Baldomero Toledo	14045	4
Nov. 8, 2018	2018	qf	Portland Timbers	(SO) 2 - 3	Seattle Sounders	CenturyLink Field	Jair Marrufo	39452	4
Nov. 11, 2018	2018	qf	Real Salt Lake	2 - 4	Sporting Kansas City	Children's Mercy Park	Jose Carlos Rivero	19918	4
Nov. 11, 2018	2018	qf	Atlanta United	3 - 1	New York City FC	Atlanta, GA	Mark Geiger	70526	4
Nov. 11, 2018	2018	qf	Columbus Crew	0 - 3	New York Red Bulls	Red Bull Arena	Alan Kelly	22789	4
Nov. 25, 2018	2018	sf	Portland Timbers	0 - 0	Sporting Kansas City	Providence Park	Robert Sibiga	21144	4
Nov. 25, 2018	2018	sf	Atlanta United	3 - 0	New York Red Bulls	Atlanta, GA	Kevin Stott	70016	4
Nov. 29, 2018	2018	sf	Portland Timbers	3 - 2	Sporting Kansas City	Children's Mercy Park	Mark Geiger	20091	4
Nov. 29, 2018	2018	sf	Atlanta United	0 - 1	New York Red Bulls	Red Bull Arena	Jair Marrufo	22137	4
Dec. 8, 2018	2018	f	Atlanta United	2 - 0	Portland Timbers	Atlanta, GA	Alan Kelly	73019	4