2001 Heineken Trophy – Men's singles

{{TennisEvents|2001|Heineken Trophy|

| champ = {{flagicon|AUS}} Lleyton Hewitt

| runner = {{flagicon|ARG}} Guillermo Cañas

| score = 6–3, 6–4

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

| seeds = 8

| before_name = Heineken Trophy – Men's singles

| after_name = Ordina Open – Men's singles

}}

Patrick Rafter was the defending champion but lost in the first round to Peter Wessels.

Lleyton Hewitt won in the final 6–3, 6–4 against Guillermo Cañas.

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|AUS}} Lleyton Hewitt (champion)
  2. {{flagicon|AUS}} Patrick Rafter (first round)
  3. {{flagicon|FRA}} Arnaud Clément (first round)
  4. {{flagicon|SUI}} Roger Federer (semifinals)
  5. {{flagicon|SVK}} Dominik Hrbatý (first round)
  6. {{flagicon|MAR}} Hicham Arazi (second round)
  7. {{flagicon|NED}} Sjeng Schalken (quarterfinals)
  8. {{flagicon|BLR}} Vladimir Voltchkov (first round)

{{colend}}

Draw

{{Draw key}}

{{32TeamBracket-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD5=Final

| RD1-seed01=1

| RD1-team01={{flagicon|AUS}} L Hewitt

| RD1-score01-1=6

| RD1-score01-2=6

| RD1-score01-3= 

| RD1-seed02= 

| RD1-team02={{flagicon|ITA}} D Sanguinetti

| RD1-score02-1=2

| RD1-score02-2=1

| RD1-score02-3= 

| RD1-seed03= 

| RD1-team03={{flagicon|BLR}} M Mirnyi

| RD1-score03-1=65

| RD1-score03-2=63

| RD1-score03-3= 

| RD1-seed04=WC

| RD1-team04={{flagicon|CRO}} G Ivanišević

| RD1-score04-1=77

| RD1-score04-2=77

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|SWE}} M Gustafsson

| RD1-score05-1=7

| RD1-score05-2=6

| RD1-score05-3= 

| RD1-seed06=WC

| RD1-team06={{flagicon|NED}} D van Scheppingen

| RD1-score06-1=5

| RD1-score06-2=3

| RD1-score06-3= 

| RD1-seed07=Q

| RD1-team07={{flagicon|BEL}} G Elseneer

| RD1-score07-1=5

| RD1-score07-2=7

| RD1-score07-3=6

| RD1-seed08=8

| RD1-team08={{flagicon|BLR}} V Voltchkov

| RD1-score08-1=7

| RD1-score08-2=5

| RD1-score08-3=0

| RD1-seed09=4

| RD1-team09={{flagicon|SUI}} R Federer

| RD1-score09-1=77

| RD1-score09-2=6

| RD1-score09-3= 

| RD1-seed10= 

| RD1-team10={{flagicon|FRA}} A Dupuis

| RD1-score10-1=63

| RD1-score10-2=4

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|CZE}} M Damm

| RD1-score11-1=5

| RD1-score11-2=64

| RD1-score11-3= 

| RD1-seed12=WC

| RD1-team12={{flagicon|NED}} J van Lottum

| RD1-score12-1=7

| RD1-score12-2=77

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|NED}} R Sluiter

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3= 

| RD1-seed14= 

| RD1-team14={{flagicon|FRA}} J Golmard

| RD1-score14-1=0

| RD1-score14-2=4

| RD1-score14-3= 

| RD1-seed15= 

| RD1-team15={{flagicon|FRA}} N Escudé

| RD1-score15-1=4

| RD1-score15-2=77

| RD1-score15-3=6

| RD1-seed16=5

| RD1-team16={{flagicon|SVK}} D Hrbatý

| RD1-score16-1=6

| RD1-score16-2=63

| RD1-score16-3=3

| RD1-seed17=6

| RD1-team17={{flagicon|MAR}} H Arazi

| RD1-score17-1=6

| RD1-score17-2=6

| RD1-score17-3= 

| RD1-seed18=Q

| RD1-team18={{flagicon|AUS}} D Petrovic

| RD1-score18-1=3

| RD1-score18-2=2

| RD1-score18-3= 

| RD1-seed19= 

| RD1-team19={{flagicon|ARG}} G Cañas

| RD1-score19-1=6

| RD1-score19-2=6

| RD1-score19-3= 

| RD1-seed20=Q

| RD1-team20={{flagicon|USA}} K Capalik

| RD1-score20-1=3

| RD1-score20-2=3

| RD1-score20-3= 

| RD1-seed21=Q

| RD1-team21={{flagicon|SUI}} Y Allegro

| RD1-score21-1=69

| RD1-score21-2=6

| RD1-score21-3=6

| RD1-seed22= 

| RD1-team22={{flagicon|AUS}} A Ilie

| RD1-score22-1=711

| RD1-score22-2=1

| RD1-score22-3=1

| RD1-seed23= 

| RD1-team23={{flagicon|BEL}} X Malisse

| RD1-score23-1=6

| RD1-score23-2=6

| RD1-score23-3= 

| RD1-seed24=3

| RD1-team24={{flagicon|FRA}} A Clément

| RD1-score24-1=4

| RD1-score24-2=4

| RD1-score24-3= 

| RD1-seed25=7

| RD1-team25={{flagicon|NED}} S Schalken

| RD1-score25-1=6

| RD1-score25-2=6

| RD1-score25-3= 

| RD1-seed26= 

| RD1-team26={{flagicon|NED}} J Siemerink

| RD1-score26-1=3

| RD1-score26-2=4

| RD1-score26-3= 

| RD1-seed27= 

| RD1-team27={{flagicon|CZE}} T Zíb

| RD1-score27-1=6

| RD1-score27-2=6

| RD1-score27-3= 

| RD1-seed28= 

| RD1-team28={{flagicon|NED}} E Kempes

| RD1-score28-1=4

| RD1-score28-2=1

| RD1-score28-3= 

| RD1-seed29= 

| RD1-team29={{flagicon|ESP}} T Robredo

| RD1-score29-1=6

| RD1-score29-2=6

| RD1-score29-3= 

| RD1-seed30= 

| RD1-team30={{flagicon|BEL}} O Rochus

| RD1-score30-1=4

| RD1-score30-2=1

| RD1-score30-3= 

| RD1-seed31= 

| RD1-team31={{flagicon|NED}} P Wessels

| RD1-score31-1=7

| RD1-score31-2=6

| RD1-score31-3= 

| RD1-seed32=2

| RD1-team32={{flagicon|AUS}} P Rafter

| RD1-score32-1=5

| RD1-score32-2=4

| RD1-score32-3= 

| RD2-seed01=1

| RD2-team01={{flagicon|AUS}} L Hewitt

| RD2-score01-1=6

| RD2-score01-2=7

| RD2-score01-3= 

| RD2-seed02=WC

| RD2-team02={{flagicon|CRO}} G Ivanišević

| RD2-score02-1=4

| RD2-score02-2=5

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|SWE}} M Gustafsson

| RD2-score03-1=4

| RD2-score03-2=77

| RD2-score03-3=0

| RD2-seed04=Q

| RD2-team04={{flagicon|BEL}} G Elseneer

| RD2-score04-1=6

| RD2-score04-2=60

| RD2-score04-3=6

| RD2-seed05=4

| RD2-team05={{flagicon|SUI}} R Federer

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3= 

| RD2-seed06=WC

| RD2-team06={{flagicon|NED}} J van Lottum

| RD2-score06-1=0

| RD2-score06-2=1

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|NED}} R Sluiter

| RD2-score07-1=4

| RD2-score07-2= 

| RD2-score07-3= 

| RD2-seed08= 

| RD2-team08={{flagicon|FRA}} N Escudé

| RD2-score08-1=1r

| RD2-score08-2=

| RD2-score08-3= 

| RD2-seed09=6

| RD2-team09={{flagicon|MAR}} H Arazi

| RD2-score09-1=3

| RD2-score09-2=3

| RD2-score09-3= 

| RD2-seed10= 

| RD2-team10={{flagicon|ARG}} G Cañas

| RD2-score10-1=6

| RD2-score10-2=6

| RD2-score10-3= 

| RD2-seed11=Q

| RD2-team11={{flagicon|SUI}} Y Allegro

| RD2-score11-1=5

| RD2-score11-2=4

| RD2-score11-3= 

| RD2-seed12= 

| RD2-team12={{flagicon|BEL}} X Malisse

| RD2-score12-1=7

| RD2-score12-2=6

| RD2-score12-3= 

| RD2-seed13=7

| RD2-team13={{flagicon|NED}} S Schalken

| RD2-score13-1=78

| RD2-score13-2=6

| RD2-score13-3= 

| RD2-seed14= 

| RD2-team14={{flagicon|CZE}} T Zíb

| RD2-score14-1=66

| RD2-score14-2=3

| RD2-score14-3= 

| RD2-seed15= 

| RD2-team15={{flagicon|ESP}} T Robredo

| RD2-score15-1=77

| RD2-score15-2=6

| RD2-score15-3= 

| RD2-seed16= 

| RD2-team16={{flagicon|NED}} P Wessels

| RD2-score16-1=63

| RD2-score16-2=4

| RD2-score16-3= 

| RD3-seed01=1

| RD3-team01={{flagicon|AUS}} L Hewitt

| RD3-score01-1=6

| RD3-score01-2=6

| RD3-score01-3= 

| RD3-seed02=Q

| RD3-team02={{flagicon|BEL}} G Elseneer

| RD3-score02-1=2

| RD3-score02-2=4

| RD3-score02-3= 

| RD3-seed03=4

| RD3-team03={{flagicon|SUI}} R Federer

| RD3-score03-1=64

| RD3-score03-2=6

| RD3-score03-3=6

| RD3-seed04= 

| RD3-team04={{flagicon|NED}} R Sluiter

| RD3-score04-1=77

| RD3-score04-2=4

| RD3-score04-3=4

| RD3-seed05= 

| RD3-team05={{flagicon|ARG}} G Cañas

| RD3-score05-1=6

| RD3-score05-2=6

| RD3-score05-3= 

| RD3-seed06= 

| RD3-team06={{flagicon|BEL}} X Malisse

| RD3-score06-1=3

| RD3-score06-2=4

| RD3-score06-3= 

| RD3-seed07=7

| RD3-team07={{flagicon|NED}} S Schalken

| RD3-score07-1=3

| RD3-score07-2=4

| RD3-score07-3= 

| RD3-seed08= 

| RD3-team08={{flagicon|ESP}} T Robredo

| RD3-score08-1=6

| RD3-score08-2=6

| RD3-score08-3= 

| RD4-seed01=1

| RD4-team01={{flagicon|AUS}} L Hewitt

| RD4-score01-1=6

| RD4-score01-2=6

| RD4-score01-3= 

| RD4-seed02=4

| RD4-team02={{flagicon|SUI}} R Federer

| RD4-score02-1=4

| RD4-score02-2=2

| RD4-score02-3= 

| RD4-seed03= 

| RD4-team03={{flagicon|ARG}} G Cañas

| RD4-score03-1=7

| RD4-score03-2=6

| RD4-score03-3= 

| RD4-seed04= 

| RD4-team04={{flagicon|ESP}} T Robredo

| RD4-score04-1=5

| RD4-score04-2=4

| RD4-score04-3= 

| RD5-seed01=1

| RD5-team01={{flagicon|AUS}} Lleyton Hewitt

| RD5-score01-1=6

| RD5-score01-2=6

| RD5-score01-3= 

| RD5-seed02= 

| RD5-team02={{flagicon|ARG}} Guillermo Cañas

| RD5-score02-1=3

| RD5-score02-2=4

| RD5-score02-3= 

}}