Doubles
1999 Sybase Open
Final
Champions	Mark Woodforde Todd Woodbridge[1]
Runners-up	Aleksandar Kitinov Nenad Zimonjić
Score	7–5, 6–7, 6–4
Details
Draw	16
Seeds	4
Events
Singles Doubles
← 1998 · Pacific Coast Championships · 2000 →

The 1999 Sybase Open was a men's tennis tournament played on indoor hard courts at the San Jose Arena in San Jose, California in the United States and was part of the ATP World Series of the 1999 ATP Tour. It was the 110th edition of the tournament ran from February 8 through February 14, 1999.

Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.

	First round							Quarterfinals							Semifinals							Final[1]
	1	T Woodbridge M Woodforde	6	6
		J Courier P Galbraith	2	4				1	T Woodbridge M Woodforde	6	3	6
		G Stafford B Talbot	6	6					G Stafford B Talbot	4	6	3
		P Rosner J Waite	4	4											1	T Woodbridge M Woodforde	6	6
	4	B Coupe D Roditi	7	6	7											D DiLucia M Sell	4	1
		B Haygarth TJ Middleton	5	7	5			4	B Coupe D Roditi	5	4
		D DiLucia M Sell	6	5	6				D DiLucia M Sell	7	6
		J Greenhalgh B Steven	3	7	2																	1	T Woodbridge M Woodforde	7	6	6
		F Meligeni M Puerta	6	6																			A Kitinov N Zimonjić	5	7	4
		J-M Gambill T Gambill	4	4					F Meligeni M Puerta	7	4	2
	3	A O'Brien J Palmer	6	6				3	A O'Brien J Palmer	6	6	6
		D Bowen E Taino	3	4											3	A O'Brien J Palmer	3	7	5
		A Kitinov N Zimonjić	6	4	7											A Kitinov N Zimonjić	6	6	7
		J Gimelstob B MacPhie	4	6	6				A Kitinov N Zimonjić	4	6	6
	2	Jim Grabb R Reneberg	6	6				2	Jim Grabb R Reneberg	6	1	4
		B Bryan M Bryan	4	4