Singles
1985 Buick WCT Finals
Final
Champion	Ivan Lendl
Runner-up	Tim Mayotte
Score	7–6, 6–4, 6–1
Events
Singles
←  1984 · Buick WCT Finals ·  1986 →

John McEnroe was the defending champion but lost in the quarterfinals to Joakim Nyström.

Ivan Lendl won in the final 7–6, 6–4, 6–1 against Tim Mayotte.

Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

Draw

Key

	First round									Quarterfinals									Semifinals									Final
										1	John McEnroe	4	6	3
		Henrik Sundström	3	3	4						Joakim Nyström	6	7	6
		Joakim Nyström	6	6	6															Joakim Nyström	4	6	2	5
																				Tim Mayotte	6	4	6	7
										4	Mats Wilander	3	1	6
		Andrés Gómez	6	4	2						Tim Mayotte	6	6	7
		Tim Mayotte	7	6	6																								Tim Mayotte	6	4	1
		Anders Järryd	6	2	2	7	3																					3	Ivan Lendl	7	6	6
		Stefan Edberg	1	6	6	5	6				Stefan Edberg	6	6	6	1	2
										3	Ivan Lendl	3	7	3	6	6
																			3	Ivan Lendl	6	2
		Aaron Krickstein	7	2	6	2	7												2	Jimmy Connors	3	1r
		Eliot Teltscher	5	6	3	6	5				Aaron Krickstein	5	2	3
										2	Jimmy Connors	7	6	6

References

• 1985 Buick WCT Finals Draw ( Archived 2009-05-07)