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.

Seeds

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

  1. Australia Todd Woodbridge / Australia Mark Woodforde (champions)
  2. United States Jim Grabb / United States Richey Reneberg (quarterfinals)
  3. United States Alex O'Brien / United States Jared Palmer (semifinals)
  4. United States Brandon Coupe / Mexico David Roditi (quarterfinals)

Draw

Key

  • Q = Qualifier
  • WC = Wild card
  • LL = Lucky loser
  • Alt = Alternate
  • ITF = ITF entry
  • PR = Protected ranking
  • SR = Special ranking
  • SE = Special exempt
  • JE = Junior exempt
  • JR = Junior Accelerator Programme entrant
  • CO = College Accelerator Programme entrant
  • NG = Next Gen Accelerator Program entrant
  • w/o = Walkover
  • r = Retired
  • d = Defaulted

Finals

First roundQuarterfinalsSemifinalsFinal
1Australia T Woodbridge Australia M Woodforde66
United States J Courier United States P Galbraith241Australia T Woodbridge Australia M Woodforde636
South Africa G Stafford South Africa B Talbot66South Africa G Stafford South Africa B Talbot463
South Africa P Rosner United States J Waite441Australia T Woodbridge Australia M Woodforde66
4United States B Coupe Mexico D Roditi767United States D DiLucia United States M Sell41
South Africa B Haygarth United States TJ Middleton5754United States B Coupe Mexico D Roditi54
United States D DiLucia United States M Sell656United States D DiLucia United States M Sell76
New Zealand J Greenhalgh New Zealand B Steven3721Australia T Woodbridge Australia M Woodforde766
Brazil F Meligeni Argentina M Puerta66North Macedonia A Kitinov Socialist Federal Republic of Yugoslavia N Zimonjić574
United States J-M Gambill United States T Gambill44Brazil F Meligeni Argentina M Puerta742
3United States A O'Brien United States J Palmer663United States A O'Brien United States J Palmer666
United States D Bowen United States E Taino343United States A O'Brien United States J Palmer375
North Macedonia A Kitinov Socialist Federal Republic of Yugoslavia N Zimonjić647North Macedonia A Kitinov Socialist Federal Republic of Yugoslavia N Zimonjić667
United States J Gimelstob United States B MacPhie466North Macedonia A Kitinov Socialist Federal Republic of Yugoslavia N Zimonjić466
2United States Jim Grabb United States R Reneberg662United States Jim Grabb United States R Reneberg614
United States B Bryan United States M Bryan44