2001 Sybase Open – Singles

{{Infobox tennis tournament event|2001|Sybase Open|

| champ = {{flagicon|GBR}} Greg Rusedski

| runner = {{flagicon|USA}} Andre Agassi

| score = 6–3, 6–4

| draw = 32 (4{{tooltip|Q|Qualifiers}} / 3{{tooltip|WC|Wild Cards}})

| seeds = 8

| edition =

| type = singles doubles

| after_name = Siebel Open – Singles

| main_name = Pacific Coast Championships

}}

Mark Philippoussis was the defending champion but lost in the second round to Juan Balcells.

Greg Rusedski won in the final 6–3, 6–4 against Andre Agassi.

Seeds

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

{{colbegin}}

  1. {{flagicon|USA}} Andre Agassi (final)
  2. {{flagicon|AUS}} Lleyton Hewitt (quarterfinals)
  3. {{flagicon|AUS}} Mark Philippoussis (second round)
  4. {{flagicon|GER}} Tommy Haas (quarterfinals)
  5. {{flagicon|NED}} Sjeng Schalken (first round)
  6. {{flagicon|USA}} Jan-Michael Gambill (semifinals)
  7. n/a
  8. {{flagicon|GBR}} Greg Rusedski (champion)

{{colend}}

Draw

{{Draw key}}

{{32TeamBracket-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD5=Final

| RD1-seed01=WC/1

| RD1-team01={{flagicon|USA}} A Agassi

| RD1-score01-1=7

| RD1-score01-2=3

| RD1-score01-3=6

| RD1-seed02= 

| RD1-team02={{flagicon|KOR}} H-T Lee

| RD1-score02-1=5

| RD1-score02-2=6

| RD1-score02-3=3

| RD1-seed03= 

| RD1-team03={{flagicon|SUI}} M Kratochvil

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|ITA}} D Sanguinetti

| RD1-score04-1=2

| RD1-score04-2=0

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|USA}} J Gimelstob

| RD1-score05-1=1

| RD1-score05-2=65

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|ARM}} S Sargsian

| RD1-score06-1=6

| RD1-score06-2=77

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|AUS}} W Arthurs

| RD1-score07-1=6

| RD1-score07-2=6

| RD1-score07-3= 

| RD1-seed08=5

| RD1-team08={{flagicon|NED}} S Schalken

| RD1-score08-1=4

| RD1-score08-2=4

| RD1-score08-3= 

| RD1-seed09=3

| RD1-team09={{flagicon|AUS}} M Philippoussis

| RD1-score09-1=6

| RD1-score09-2=67

| RD1-score09-3=6

| RD1-seed10= 

| RD1-team10={{flagicon|GER}} M Hantschk

| RD1-score10-1=3

| RD1-score10-2=79

| RD1-score10-3=3

| RD1-seed11=SE

| RD1-team11={{flagicon|ARG}} J Acasuso

| RD1-score11-1=5

| RD1-score11-2=1

| RD1-score11-3= 

| RD1-seed12= 

| RD1-team12={{flagicon|ESP}} J Balcells

| RD1-score12-1=7

| RD1-score12-2=6

| RD1-score12-3= 

| RD1-seed13=WC

| RD1-team13={{flagicon|USA}} A Roddick

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3= 

| RD1-seed14= 

| RD1-team14={{flagicon|USA}} C Woodruff

| RD1-score14-1=4

| RD1-score14-2=4

| RD1-score14-3= 

| RD1-seed15= 

| RD1-team15={{flagicon|BRA}} A Sá

| RD1-score15-1=3

| RD1-score15-2=77

| RD1-score15-3=3

| RD1-seed16=6

| RD1-team16={{flagicon|USA}} J-M Gambill

| RD1-score16-1=6

| RD1-score16-2=60

| RD1-score16-3=6

| RD1-seed17=LL

| RD1-team17={{flagicon|USA}} C Mamiit

| RD1-score17-1=2

| RD1-score17-2=2

| RD1-score17-3= 

| RD1-seed18=WC

| RD1-team18={{flagicon|CRO}} G Ivanišević

| RD1-score18-1=6

| RD1-score18-2=6

| RD1-score18-3= 

| RD1-seed19= 

| RD1-team19={{flagicon|USA}} P Goldstein

| RD1-score19-1=3

| RD1-score19-2=64

| RD1-score19-3= 

| RD1-seed20=Q

| RD1-team20={{flagicon|BEL}} X Malisse

| RD1-score20-1=6

| RD1-score20-2=77

| RD1-score20-3= 

| RD1-seed21= 

| RD1-team21={{flagicon|SWE}} M Gustafsson

| RD1-score21-1=3

| RD1-score21-2=6

| RD1-score21-3=6

| RD1-seed22= 

| RD1-team22={{flagicon|ITA}} A Gaudenzi

| RD1-score22-1=6

| RD1-score22-2=3

| RD1-score22-3=2

| RD1-seed23= 

| RD1-team23={{flagicon|GER}} C Vinck

| RD1-score23-1=4

| RD1-score23-2=5

| RD1-score23-3= 

| RD1-seed24=4

| RD1-team24={{flagicon|GER}} T Haas

| RD1-score24-1=6

| RD1-score24-2=7

| RD1-score24-3= 

| RD1-seed25=8

| RD1-team25={{flagicon|GBR}} G Rusedski

| RD1-score25-1=6

| RD1-score25-2=77

| RD1-score25-3= 

| RD1-seed26= 

| RD1-team26={{flagicon|ISR}} H Levy

| RD1-score26-1=1

| RD1-score26-2=64

| RD1-score26-3= 

| RD1-seed27=Q

| RD1-team27={{flagicon|ITA}} R Furlan

| RD1-score27-1=6

| RD1-score27-2=7

| RD1-score27-3= 

| RD1-seed28=Q

| RD1-team28={{flagicon|CZE}} T Zíb

| RD1-score28-1=2

| RD1-score28-2=5

| RD1-score28-3= 

| RD1-seed29= 

| RD1-team29={{flagicon|RUS}} A Stoliarov

| RD1-score29-1=6

| RD1-score29-2=6

| RD1-score29-3= 

| RD1-seed30=Q

| RD1-team30={{flagicon|PAR}} R Delgado

| RD1-score30-1=2

| RD1-score30-2=2

| RD1-score30-3= 

| RD1-seed31=SE

| RD1-team31={{flagicon|CAN}} S Lareau

| RD1-score31-1=3

| RD1-score31-2=1

| RD1-score31-3= 

| RD1-seed32=2

| RD1-team32={{flagicon|AUS}} L Hewitt

| RD1-score32-1=6

| RD1-score32-2=6

| RD1-score32-3= 

| RD2-seed01=WC/1

| RD2-team01={{flagicon|USA}} A Agassi

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|SUI}} M Kratochvil

| RD2-score02-1=4

| RD2-score02-2=2

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|ARM}} S Sargsian

| RD2-score03-1=6

| RD2-score03-2=65

| RD2-score03-3=77

| RD2-seed04= 

| RD2-team04={{flagicon|AUS}} W Arthurs

| RD2-score04-1=4

| RD2-score04-2=77

| RD2-score04-3=62

| RD2-seed05=3

| RD2-team05={{flagicon|AUS}} M Philippoussis

| RD2-score05-1=4

| RD2-score05-2=77

| RD2-score05-3=63

| RD2-seed06= 

| RD2-team06={{flagicon|ESP}} J Balcells

| RD2-score06-1=6

| RD2-score06-2=64

| RD2-score06-3=77

| RD2-seed07=WC

| RD2-team07={{flagicon|USA}} A Roddick

| RD2-score07-1=65

| RD2-score07-2=61

| RD2-score07-3= 

| RD2-seed08=6

| RD2-team08={{flagicon|USA}} J-M Gambill

| RD2-score08-1=77

| RD2-score08-2=77

| RD2-score08-3= 

| RD2-seed09=WC

| RD2-team09={{flagicon|CRO}} G Ivanišević

| RD2-score09-1=3

| RD2-score09-2=4

| RD2-score09-3= 

| RD2-seed10=Q

| RD2-team10={{flagicon|BEL}} X Malisse

| RD2-score10-1=6

| RD2-score10-2=6

| RD2-score10-3= 

| RD2-seed11= 

| RD2-team11={{flagicon|SWE}} M Gustafsson

| RD2-score11-1=6

| RD2-score11-2=3

| RD2-score11-3=4

| RD2-seed12=4

| RD2-team12={{flagicon|GER}} T Haas

| RD2-score12-1=4

| RD2-score12-2=6

| RD2-score12-3=6

| RD2-seed13=8

| RD2-team13={{flagicon|GBR}} G Rusedski

| RD2-score13-1=6

| RD2-score13-2=6

| RD2-score13-3= 

| RD2-seed14=Q

| RD2-team14={{flagicon|ITA}} R Furlan

| RD2-score14-1=3

| RD2-score14-2=2

| RD2-score14-3= 

| RD2-seed15= 

| RD2-team15={{flagicon|RUS}} A Stoliarov

| RD2-score15-1=2

| RD2-score15-2=710

| RD2-score15-3=3

| RD2-seed16=2

| RD2-team16={{flagicon|AUS}} L Hewitt

| RD2-score16-1=6

| RD2-score16-2=68

| RD2-score16-3=6

| RD3-seed01=WC/1

| RD3-team01={{flagicon|USA}} A Agassi

| RD3-score01-1=6

| RD3-score01-2=6

| RD3-score01-3= 

| RD3-seed02= 

| RD3-team02={{flagicon|ARM}} S Sargsian

| RD3-score02-1=1

| RD3-score02-2=3

| RD3-score02-3= 

| RD3-seed03= 

| RD3-team03={{flagicon|ESP}} J Balcells

| RD3-score03-1=2

| RD3-score03-2=0

| RD3-score03-3= 

| RD3-seed04=6

| RD3-team04={{flagicon|USA}} J-M Gambill

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3= 

| RD3-seed05=Q

| RD3-team05={{flagicon|BEL}} X Malisse

| RD3-score05-1=5

| RD3-score05-2=6

| RD3-score05-3=5

| RD3-seed06=4

| RD3-team06={{flagicon|GER}} T Haas

| RD3-score06-1=7

| RD3-score06-2=3

| RD3-score06-3=1/r

| RD3-seed07=8

| RD3-team07={{flagicon|GBR}} G Rusedski

| RD3-score07-1=5

| RD3-score07-2=6

| RD3-score07-3=6

| RD3-seed08=2

| RD3-team08={{flagicon|AUS}} L Hewitt

| RD3-score08-1=7

| RD3-score08-2=1

| RD3-score08-3=4

| RD4-seed01=WC/1

| RD4-team01={{flagicon|USA}} A Agassi

| RD4-score01-1=6

| RD4-score01-2=6

| RD4-score01-3= 

| RD4-seed02=6

| RD4-team02={{flagicon|USA}} J-M Gambill

| RD4-score02-1=4

| RD4-score02-2=4

| RD4-score02-3= 

| RD4-seed03=Q

| RD4-team03={{flagicon|BEL}} X Malisse

| RD4-score03-1=4

| RD4-score03-2=2

| RD4-score03-3= 

| RD4-seed04=8

| RD4-team04={{flagicon|GBR}} G Rusedski

| RD4-score04-1=6

| RD4-score04-2=6

| RD4-score04-3= 

| RD5-seed01=WC/1

| RD5-team01={{flagicon|USA}} Andre Agassi

| RD5-score01-1=3

| RD5-score01-2=4

| RD5-score01-3= 

| RD5-seed02=8

| RD5-team02={{flagicon|GBR}} Greg Rusedski

| RD5-score02-1=6

| RD5-score02-2=6

| RD5-score02-3= 

}}