2016-08-01

Atlanta - Hard - R32

Bjorn Fratangelo (#119)
def
Igor Sijsling (#114)
6-1 7-6(2)

2016-07-18

Kitzbuhel - Clay - R16

Nikoloz Basilashvili (#123)
def
Igor Sijsling (#115)
6-4 4-6 6-2

2016-07-18

Kitzbuhel - Clay - R32

Igor Sijsling (#115)
def
Kenny De Schepper (#159)
7-5 6-2

2016-07-11

Hamburg - Clay - R32

Martin Klizan (#47)
def
Igor Sijsling (#116)
6-4 1-6 6-3

2016-06-27

Wimbledon - Grass - R128

Jiri Vesely (#64)
def
Igor Sijsling (#118)
6-2 6-4 7-6(7)

2016-06-06

s Hertogenbosch - Grass - R16

Ivo Karlovic (#28)
def
Igor Sijsling (#118)
7-6(4) 7-6(5)

2016-06-06

s Hertogenbosch - Grass - R32

Igor Sijsling (#118)
def
Inigo Cervantes Huegun (#74)
6-4 6-0

2016-05-23

Roland Garros - Clay - R64

Nick Kyrgios (#19)
def
Igor Sijsling (#123)
6-3 6-2 6-1

2016-05-23

Roland Garros - Clay - R128

Igor Sijsling (#123)
def
Adrian Ungur (#203)
6-1 6-2 7-6(5)

2016-04-25

Munich - Clay - R16

Jozef Kovalik (#139)
def
Igor Sijsling (#131)
6-3 6-4

2016-04-25

Munich - Clay - R32

Igor Sijsling (#131)
def
Marco Cecchinato (#93)
6-2 6-4

2015-06-29

Wimbledon - Grass - R128

Sam Querrey (#36)
def
Igor Sijsling (#170)
7-5 6-3 6-4

2015-05-24

Roland Garros - Clay - R128

Ernests Gulbis (#29)
def
Igor Sijsling (#166)
6-4 6-4 7-6(3)

2015-03-12

Indian Wells - Hard - R64

Rafael Nadal (#3)
def
Igor Sijsling (#134)
6-4 6-2

2015-03-12

Indian Wells - Hard - R128

Igor Sijsling (#134)
def
Filip Krajinovic (#103)
6-4 3-6 6-2

2015-02-23

Acapulco - Hard - R32

David Ferrer (#9)
def
Igor Sijsling (#132)
6-3 7-6(4)

2015-02-16

Delray Beach - Hard - R32

Yoshihito Nishioka (#154)
def
Igor Sijsling (#133)
7-5 6-1

2015-02-09

Memphis - Hard - R32

Bernard Tomic (#49)
def
Igor Sijsling (#89)
4-6 6-3 6-2

2015-02-02

Zagreb - Hard - QF

Marcel Granollers (#55)
def
Igor Sijsling (#100)
6-4 2-6 6-4

2015-02-02

Zagreb - Hard - R16

Igor Sijsling (#100)
def
Adrian Mannarino (#41)
7-6(3) 4-6 6-1

2015-02-02

Zagreb - Hard - R32

Igor Sijsling (#100)
def
Frank Dancevic (#156)
6-4 7-5

2015-01-19

Australian Open - Hard - R128

Ricardas Berankis (#85)
def
Igor Sijsling (#84)
2-6 6-4 7-6(2) 6-7(6) 6-4

2015-01-11

Sydney - Hard - R32

Bernard Tomic (#71)
def
Igor Sijsling (#83)
6-1 6-2

2015-01-05

Chennai - Hard - R32

Elias Ymer (#227)
def
Igor Sijsling (#81)
6-4 4-6 6-3

2014-10-13

Stockholm - Hard - R32

Matthias Bachinger (#203)
def
Igor Sijsling (#87)
2-6 7-6(3) 6-4

2014-09-15

Metz - Hard - R16

Joao Sousa (#39)
def
Igor Sijsling (#74)
6-3 3-6 7-6(3)

2014-09-15

Metz - Hard - R32

Igor Sijsling (#74)
def
Andreas Seppi (#48)
6-0 4-1 RET

2014-09-12

Davis Cup WG PO: NED vs CRO - Clay - RR

Mate Delic (#154)
def
Igor Sijsling (#72)
4-6 6-4 7-5 6-2

2014-08-25

US Open - Hard - R128

Victor Estrella (#80)
def
Igor Sijsling (#72)
2-6 6-4 6-3 6-2

2014-08-17

Winston-Salem - Hard - R32

Pablo Andujar (#47)
def
Igor Sijsling (#73)
6-4 6-3

2014-08-17

Winston-Salem - Hard - R64

Igor Sijsling (#73)
def
Andrey Golubev (#64)
7-6(5) 6-3

2014-07-21

Umag - Clay - R16

Marin Cilic (#22)
def
Igor Sijsling (#76)
7-5 6-3

2014-07-21

Umag - Clay - R32

Igor Sijsling (#76)
def
Julian Reister (#125)
7-6(2) 6-7(3) 6-2

2014-07-14

Hamburg - Clay - R64

Martin Klizan (#57)
def
Igor Sijsling (#72)
6-4 3-6 6-0

2014-07-07

Stuttgart - Clay - R32

Louk Sorensen (#236)
def
Igor Sijsling (#68)
6-4 6-1

2014-06-23

Wimbledon - Grass - R128

Philipp Kohlschreiber (#28)
def
Igor Sijsling (#59)
6-4 6-4 6-2

2014-06-15

s Hertogenbosch - Grass - R32

Thiemo De Bakker (#143)
def
Igor Sijsling (#60)
6-4 7-6(4)

2014-06-09

Queen's Club - Grass - R64

Dmitry Tursunov (#32)
def
Igor Sijsling (#58)
6-3 6-4

2014-05-26

Roland Garros - Clay - R128

David Ferrer (#5)
def
Igor Sijsling (#55)
6-4 6-3 6-1

2014-05-18

Dusseldorf - Clay - R32

Jiri Vesely (#104)
def
Igor Sijsling (#52)
7-6(2) 6-3

2014-05-11

Rome - Clay - R32

Tommy Haas (#19)
def
Igor Sijsling (#53)
7-6(6) 6-1

2014-05-11

Rome - Clay - R64

Igor Sijsling (#53)
def
Marco Cecchinato (#149)
7-6(4) 7-5

2014-05-04

Madrid - Clay - R32

Jarkko Nieminen (#57)
def
Igor Sijsling (#59)
6-3 6-2

2014-05-04

Madrid - Clay - R64

Igor Sijsling (#59)
def
Tommy Haas (#17)
3-6 6-1 6-4

2014-04-21

Barcelona - Clay - R64

Santiago Giraldo (#65)
def
Igor Sijsling (#56)
6-4 6-2

2014-04-13

Monte Carlo - Clay - R64

Jeremy Chardy (#48)
def
Igor Sijsling (#55)
1-6 6-2 7-6(5)

2014-04-07

Casablanca - Clay - R32

Joao Sousa (#38)
def
Igor Sijsling (#55)
6-2 6-4

2014-03-19

Miami - Hard - R128

Edouard Roger Vasselin (#43)
def
Igor Sijsling (#54)
3-6 6-3 7-6(3)

2014-03-06

Indian Wells - Hard - R128

Jiri Vesely (#77)
def
Igor Sijsling (#55)
3-6 6-4 7-6(1)

2014-02-24

Dubai - Hard - R32

Malek Jaziri (#137)
def
Igor Sijsling (#53)
0-6 6-4 7-6(4)

2014-02-17

Marseille - Hard - R32

Nikolay Davydenko (#63)
def
Igor Sijsling (#52)
6-4 6-4

2014-02-10

Rotterdam - Hard - SF

Marin Cilic (#37)
def
Igor Sijsling (#64)
5-7 6-3 6-2

2014-02-10

Rotterdam - Hard - QF

Igor Sijsling (#64)
def
Philipp Kohlschreiber (#27)
6-2 2-6 6-1

2014-02-10

Rotterdam - Hard - R16

Igor Sijsling (#64)
def
Michael Berrer (#147)
6-1 6-2

2014-02-10

Rotterdam - Hard - R32

Igor Sijsling (#64)
def
Mikhail Youzhny (#15)
6-2 6-2

2014-02-03

Zagreb - Hard - R16

Andrey Kuznetsov (#142)
def
Igor Sijsling (#63)
1-6 6-3 7-6(5)

2014-02-03

Zagreb - Hard - R32

Igor Sijsling (#63)
def
Blaz Kavcic (#112)
6-7(4) 6-3 6-4

2014-01-31

Davis Cup WG R1: CZE vs NED - Hard - RR

Igor Sijsling (#62)
def
Lukas Rosol (#48)
6-3 6-3

2014-01-31

Davis Cup WG R1: CZE vs NED - Hard - RR

Tomas Berdych (#7)
def
Igor Sijsling (#62)
6-3 6-3 6-0

2014-01-13

Australian Open - Hard - R128

Thanasi Kokkinakis (#570)
def
Igor Sijsling (#73)
7-6(4) 0-6 7-6(3) 6-2

2014-01-06

Auckland - Hard - R32

Yen Hsun Lu (#62)
def
Igor Sijsling (#69)
7-5 7-6(7)

2013-12-29

Brisbane - Hard - R32

Nicolas Mahut (#50)
def
Igor Sijsling (#70)
3-6 6-4 6-4

2013-10-28

Paris - Hard - R64

Marin Cilic (#41)
def
Igor Sijsling (#70)
5-7 6-1 6-4

2013-10-14

Stockholm - Hard - R16

Ernests Gulbis (#26)
def
Igor Sijsling (#67)
6-3 7-6(3)

2013-10-14

Stockholm - Hard - R32

Igor Sijsling (#67)
def
Tobias Kamke (#85)
6-4 6-2

2013-09-23

Bangkok - Hard - QF

Gilles Simon (#14)
def
Igor Sijsling (#75)
6-4 5-7 6-4

2013-09-23

Bangkok - Hard - R16

Igor Sijsling (#75)
def
Robin Haase (#60)
6-7(7) 6-4 7-6(2)

2013-09-23

Bangkok - Hard - R32

Igor Sijsling (#75)
def
Jarkko Nieminen (#42)
6-3 7-6(2)

2013-09-16

Metz - Hard - R32

Paul Henri Mathieu (#110)
def
Igor Sijsling (#75)
6-7(4) 7-5 7-6(6)

2013-08-26

US Open - Hard - R128

Peter Gojowczyk (#146)
def
Igor Sijsling (#68)
7-6(7) 2-6 6-4 6-1

2013-08-18

Winston-Salem - Hard - R64

Thiemo De Bakker (#101)
def
Igor Sijsling (#69)
3-6 6-4 6-4

2013-07-29

Washington - Hard - R64

Jack Sock (#94)
def
Igor Sijsling (#59)
6-4 6-2

2013-07-22

Atlanta - Hard - R16

Ryan Harrison (#132)
def
Igor Sijsling (#59)
6-4 6-3

2013-07-15

Bogota - Hard - R16

Ivo Karlovic (#155)
def
Igor Sijsling (#55)
6-3 7-6(14)

2013-07-08

Newport - Grass - QF

Michael Russell (#95)
def
Igor Sijsling (#55)
7-6(3) 6-7(6) 7-6(5)

2013-07-08

Newport - Grass - R16

Igor Sijsling (#55)
def
Yuichi Sugita (#148)
6-3 6-4

2013-07-08

Newport - Grass - R32

Igor Sijsling (#55)
def
Matteo Viola (#144)
6-4 6-1

2013-06-24

Wimbledon - Grass - R32

Ivan Dodig (#49)
def
Igor Sijsling (#64)
6-0 6-1 1-0 RET

2013-06-24

Wimbledon - Grass - R64

Igor Sijsling (#64)
def
Milos Raonic (#15)
7-5 6-4 7-6(4)

2013-06-24

Wimbledon - Grass - R128

Igor Sijsling (#64)
def
Alex Kuznetsov (#173)
6-3 6-4 6-4

2013-06-10

Queen's Club - Grass - R16

Jo-Wilfried Tsonga (#7)
def
Igor Sijsling (#60)
7-5 5-7 6-3

2013-06-10

Queen's Club - Grass - R32

Igor Sijsling (#60)
def
Denis Istomin (#45)
7-6(4) 6-1

2013-06-10

Queen's Club - Grass - R64

Igor Sijsling (#60)
def
Tatsuma Ito (#160)
6-3 7-5

2013-05-27

Roland Garros - Clay - R64

Tommy Robredo (#34)
def
Igor Sijsling (#62)
6-7(2) 4-6 6-3 6-1 6-1

2013-05-27

Roland Garros - Clay - R128

Igor Sijsling (#62)
def
Jurgen Melzer (#37)
6-4 6-3 6-2

2013-05-19

Dusseldorf - Clay - SF

Jarkko Nieminen (#42)
def
Igor Sijsling (#68)
7-5 4-6 6-3

2013-05-19

Dusseldorf - Clay - QF

Igor Sijsling (#68)
def
Jan Hajek (#95)
6-3 6-1

2013-05-19

Dusseldorf - Clay - R16

Igor Sijsling (#68)
def
Philipp Kohlschreiber (#18)
3-6 6-3 6-4

2013-05-19

Dusseldorf - Clay - R32

Igor Sijsling (#68)
def
Evgeny Korolev (#176)
6-2 6-4

2013-04-29

Estoril - Clay - R32

Benoit Paire (#32)
def
Igor Sijsling (#70)
7-6(5) 6-3

2013-04-22

Barcelona - Clay - R64

Andrey Kuznetsov (#73)
def
Igor Sijsling (#70)
6-1 6-3

2013-04-05

Davis Cup G1 R2: ROU vs NED - Hard - RR

Igor Sijsling (#70)
def
Victor Hanescu (#58)
6-4 7-6(5) 2-6 6-7(5) 6-2

2013-04-05

Davis Cup G1 R2: ROU vs NED - Hard - RR

Igor Sijsling (#70)
def
Adrian Ungur (#124)
1-6 6-3 6-4

2013-03-20

Miami - Hard - R64

Tommy Haas (#18)
def
Igor Sijsling (#74)
6-0 5-7 6-3

2013-03-20

Miami - Hard - R128

Igor Sijsling (#74)
def
Leonardo Mayer (#63)
3-2 RET

2013-03-07

Indian Wells - Hard - R128

Jarkko Nieminen (#57)
def
Igor Sijsling (#72)
4-6 6-3 6-3

2013-02-25

Delray Beach - Hard - R32

Tommy Haas (#19)
def
Igor Sijsling (#74)
5-7 6-4 RET

2013-02-18

Memphis - Hard - R16

Marin Cilic (#12)
def
Igor Sijsling (#71)
7-6(2) 3-6 7-6(7)

2013-02-18

Memphis - Hard - R32

Igor Sijsling (#71)
def
Jurgen Melzer (#27)
6-4 7-6(3)

2013-02-11

Rotterdam - Hard - R16

Martin Klizan (#31)
def
Igor Sijsling (#77)
6-2 6-4

2013-02-11

Rotterdam - Hard - R32

Igor Sijsling (#77)
def
Jo-Wilfried Tsonga (#8)
7-6(3) 4-6 6-4

2013-02-04

Zagreb - Hard - R16

Mikhail Youzhny (#32)
def
Igor Sijsling (#66)
6-3 6-2

2013-02-04

Zagreb - Hard - R32

Igor Sijsling (#66)
def
Nikola Mektic (#250)
6-4 6-2

2013-01-14

Australian Open - Hard - R128

Denis Istomin (#50)
def
Igor Sijsling (#65)
4-6 6-3 6-4 6-2

2013-01-07

Auckland - Hard - R16

Tommy Haas (#21)
def
Igor Sijsling (#70)
6-3 6-4

2013-01-07

Auckland - Hard - R32

Igor Sijsling (#70)
def
Robin Haase (#54)
3-6 6-3 7-5

2012-12-31

Chennai - Hard - R32

Cedrik Marcel Stebe (#177)
def
Igor Sijsling (#68)
6-4 6-4

2012-10-29

Paris - Hard - R32

Janko Tipsarevic (#9)
def
Igor Sijsling (#75)
6-4 7-6(0)

2012-10-29

Paris - Hard - R64

Igor Sijsling (#75)
def
Alexandr Dolgopolov (#18)
6-4 6-2

2012-10-15

Moscow - Hard - R16

Andreas Seppi (#25)
def
Igor Sijsling (#77)
7-5 6-2

2012-10-15

Moscow - Hard - R32

Igor Sijsling (#77)
def
Michael Berrer (#110)
7-6(7) 6-3

2012-09-24

Kuala Lumpur - Hard - QF

David Ferrer (#5)
def
Igor Sijsling (#97)
4-6 6-3 6-4

2012-09-24

Kuala Lumpur - Hard - R16

Igor Sijsling (#97)
def
Feliciano Lopez (#32)
7-6(0) 7-6(2)

2012-09-24

Kuala Lumpur - Hard - R32

Igor Sijsling (#97)
def
Ariez Elyaas Deen Heshaam (#1557)
6-2 6-1

2012-09-17

Metz - Hard - R32

Vincent Millot (#222)
def
Igor Sijsling (#82)
6-4 6-4

2012-08-27

US Open - Hard - R64

David Ferrer (#5)
def
Igor Sijsling (#78)
6-2 6-3 7-6(12)

2012-08-27

US Open - Hard - R128

Igor Sijsling (#78)
def
Daniel Gimeno Traver (#96)
7-5 6-3 6-4

2012-07-23

Los Angeles - Hard - R16

Sam Querrey (#57)
def
Igor Sijsling (#102)
6-2 6-2

2012-07-23

Los Angeles - Hard - R32

Igor Sijsling (#102)
def
Steve Johnson (#362)
7-6(4) 6-3

2012-07-09

Newport - Grass - R32

Kei Nishikori (#18)
def
Igor Sijsling (#110)
6-4 6-4

2012-06-17

s Hertogenbosch - Grass - QF

David Ferrer (#6)
def
Igor Sijsling (#112)
6-0 6-1

2012-06-17

s Hertogenbosch - Grass - R16

Igor Sijsling (#112)
def
Olivier Rochus (#68)
7-5 7-6(4)

2012-06-17

s Hertogenbosch - Grass - R32

Igor Sijsling (#112)
def
Jarkko Nieminen (#44)
6-2 6-4

2012-05-27

Roland Garros - Clay - R128

Gilles Muller (#54)
def
Igor Sijsling (#122)
2-6 7-5 3-6 6-4 8-6

2012-02-13

Rotterdam - Hard - R32

Jarkko Nieminen (#46)
def
Igor Sijsling (#151)
6-1 6-7(7) 7-5

2011-09-19

Metz - Hard - QF

Ivan Ljubicic (#29)
def
Igor Sijsling (#148)
6-4 6-3

2011-09-19

Metz - Hard - R16

Igor Sijsling (#148)
def
Philipp Kohlschreiber (#45)
6-4 7-5

2011-09-19

Metz - Hard - R32

Igor Sijsling (#148)
def
Grigor Dimitrov (#64)
6-2 6-2

2011-06-20

Wimbledon - Grass - R128

Igor Kunitsyn (#66)
def
Igor Sijsling (#188)
6-3 6-4 6-2

2011-01-31

Johannesburg - Hard - R32

Fritz Wolmarans (#261)
def
Igor Sijsling (#133)
4-6 6-3 6-4

2010-09-20

Metz - Hard - R16

Gilles Simon (#41)
def
Igor Sijsling (#159)
6-1 6-7(5) 6-3

2010-09-20

Metz - Hard - R32

Igor Sijsling (#159)
def
Thierry Ascione (#238)
6-4 6-4

2010-06-13

s Hertogenbosch - Grass - R16

Sergiy Stakhovsky (#71)
def
Igor Sijsling (#159)
6-2 7-6(4)

2010-06-13

s Hertogenbosch - Grass - R32

Igor Sijsling (#159)
def
Thiemo De Bakker (#43)
4-6 6-2 7-6(4)

2010-05-07

Davis Cup G1 R2: NED vs ITA - Hard - RR

Paolo Lorenzi (#95)
def
Igor Sijsling (#154)
6-4 6-3

2010-02-08

Rotterdam - Hard - R16

Robin Soderling (#8)
def
Igor Sijsling (#245)
7-6(6) 6-2

2010-02-08

Rotterdam - Hard - R32

Igor Sijsling (#245)
def
Mischa Zverev (#92)
6-7(2) 6-3 7-5

2008-07-14

Amersfoort - Clay - R32

Ivan Navarro (#99)
def
Igor Sijsling (#384)
6-3 6-1

2007-04-06

Davis Cup G1 R2: GBR vs NED - Hard - RR

Tim Henman (#48)
def
Igor Sijsling (#293)
6-2 6-3

2006-07-17

Amersfoort - Clay - R32

Daniele Bracciali (#55)
def
Igor Sijsling (#503)
6-7(5) 6-4 6-2