CK
Class of 2028 · 1-Star
🇳🇱 Cornelis Klaassen
★★★★★
★ · 1-Star
STR
41.8
4-yr proj 42.3
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Dreamsheet
Stanford
Dartmouth
Brown
Junior Badges
GLOBALTop 250
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Dubbo Championships
National
Quarterfinalist
Wk 3
Liège International
Premier
R32
Wk 4
Prague International
Premier
R16
Wk 6
Neuquén Open
National
R16
Wk 7
La Rioja Open
National
R16
Wk 9
Sisak Open
National
R16
Wk 10
Olomouc Classic
National
Finalist
Wk 12
Oakland Classic
National
Quarterfinalist
Wk 13
Belém Open
Premier
R16
Wk 15
Tianjin Classic
Premier
R16
Wk 16
Mönchengladbach Open
Premier
R32
Wk 18
Shanghai Classic
National
Quarterfinalist
Wk 19
Buenos Aires Classic
National
R32
Wk 21
Rennes Classic
National
R32
Wk 22
Brasília Championships
National
R16
Wk 24
Gosford Championships
National
R16
Wk 25
Launceston Championships
National
R16
Wk 27
Burlington Classic
National
Champion
Wk 28
Wuxi International
Premier
Finalist
Wk 30
Brasília Classic
Premier
R32
Wk 31
Monterrey Open
Premier
R32
Wk 33
Berlin International
Premier
R32
Wk 34
Campinas Open
Premier
Quarterfinalist
Wk 36
Novi Pazar Classic
Premier
R16
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 6
Neuquén Open
National
Akseli Eronen
Champion
Wk 7
La Rioja Open
National
Fredrik Fredriksen
Finalist
Wk 15
Tianjin Classic
Premier
Ashley Parris
Quarterfinalist
Wk 19
Buenos Aires Classic
National
Alex Kolesnikova
Semifinalist
Wk 22
Brasília Championships
National
Nils Olme
Semifinalist
Wk 24
Gosford Championships
National
Lourenço Capeta
Semifinalist
Wk 33
Berlin International
Premier
Stephen Feng
Quarterfinalist
Wk 34
Campinas Open
Premier
Guillermo Mondelo
Champion
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Dubbo Championships Round of 32
W
Oskar Salamon
6-3 6-0
Wk 1
Dubbo Championships Round of 16
W
Jan Bolatti
6-3 6-4
Wk 1
Dubbo Championships Quarterfinals
L
Alex Kolesnikova
6-3 4-6 6-10
Wk 3
Liège International Round of 32
L
Lucas Delépine
5-7 3-6
Wk 4
Prague International Round of 32
W
Devan Anthony
6-3 7-5
Wk 4
Prague International Round of 16
L
Kris Bartkowicz
2-6 4-6
Wk 6
Neuquén Open Round of 32
W
Jørgen Halvorsen
6-3 6-0
Wk 6
Neuquén Open Round of 16
L
Mitchell Sutton
3-6 4-6
Wk 7
La Rioja Open Round of 32
W
Daniel Weiler-Babb
7-5 2-6 10-0
Wk 7
La Rioja Open Round of 16
L
Rúben Dalot
2-6 6-7
Wk 9
Sisak Open Round of 32
W
Xavier Guerra
6-3 7-6
Wk 9
Sisak Open Round of 16
L
Brian McLoughlin
2-6 0-6
Wk 10
Olomouc Classic Round of 32
W
Robin Henriksson
4-6 6-3 10-5
Wk 10
Olomouc Classic Round of 16
W
Szymon Kaminski
6-3 6-3
Wk 10
Olomouc Classic Quarterfinals
W
Daniel Campbell
6-4 3-6 13-11
Wk 10
Olomouc Classic Semifinals
W
Clayton Winters
7-6 6-4
Wk 10
Olomouc Classic Final
L
Marco Moutinho
3-6 2-6
Wk 12
Oakland Classic Round of 32
W
Wade Lue
6-3 6-3
Wk 12
Oakland Classic Round of 16
W
Kenyon Montgomery
6-1 6-0
Wk 12
Oakland Classic Quarterfinals
L
Tristan Fodje
5-7 5-7
Wk 13
Belém Open Round of 32
W
Thiago Camoranesi
6-0 6-1
Wk 13
Belém Open Round of 16
L
Kenny Kerns
6-1 1-6 10-12
Wk 15
Tianjin Classic Round of 32
W
Cammy MacMillan
7-6 6-1
Wk 15
Tianjin Classic Round of 16
L
Jofra Konsa
2-6 4-6
Wk 16
Mönchengladbach Open Round of 32
L
Sindre Haugen
7-5 5-7 11-13
Wk 18
Shanghai Classic Round of 32
W
Memphis Ninis
6-4 7-6
Wk 18
Shanghai Classic Round of 16
W
Ahmed El-Shenawy
6-4 6-4
Wk 18
Shanghai Classic Quarterfinals
L
Silas Kuchiki
2-6 6-7
Wk 19
Buenos Aires Classic Round of 32
L
Tamer Hassan
2-6 7-6 9-11
Wk 21
Rennes Classic Round of 32
L
Jan Bolatti
6-7 1-6
Wk 22
Brasília Championships Round of 32
W
Sergio Jimenez
6-1 6-0
Wk 22
Brasília Championships Round of 16
L
Kenny Kerns
3-6 6-7
Wk 24
Gosford Championships Round of 32
W
Sérgio Palhinha
6-3 6-2
Wk 24
Gosford Championships Round of 16
L
Darragh Atkinson
1-6 4-6
Wk 25
Launceston Championships Round of 32
W
Gianmarco Cantore
6-2 6-4
Wk 25
Launceston Championships Round of 16
L
Czesław Dawidowicz
3-6 4-6
Wk 27
Burlington Classic Round of 32
W
Lucas Kopp
6-3 7-5
Wk 27
Burlington Classic Round of 16
W
Brandon Forood
4-6 6-4 10-7
Wk 27
Burlington Classic Quarterfinals
W
Adalberto Claros
7-6 7-6
Wk 27
Burlington Classic Semifinals
W
Bruce Ndoumbouk
7-6 7-6
Wk 27
Burlington Classic Final
W
Kenny Kerns
6-4 4-6 10-4
Wk 28
Wuxi International Final
L
Drew Keys
3-6 7-6 7-10
Wk 30
Brasília Classic Round of 32
L
Daithi Smith
1-6 5-7
Wk 31
Monterrey Open Round of 32
L
Lutsharel Van Dijk
6-7 6-1 6-10
Wk 33
Berlin International Round of 32
L
Dieter Tah
2-6 6-7
Wk 34
Campinas Open Round of 32
W
Toni Mattila
6-3 6-1
Wk 34
Campinas Open Round of 16
W
Trinidad Mattke
4-6 6-4 10-6
Wk 34
Campinas Open Quarterfinals
L
Dylan Ampadu
6-7 4-6
Wk 36
Novi Pazar Classic Round of 32
W
Hans Ekdal
7-5 5-7 10-8
Wk 36
Novi Pazar Classic Round of 16
L
Dieter Tah
6-7 6-4 5-10
Scouting
| Shared service (consensus) | 46.6 |
| Your department | 43.1 |
| 4-year projection | 42.3 |
Ranking History
| DATE | GLOBAL | NATION | STR |
| Early 2028 | #227 | #14 | 42.5 |
| Mid 2028 | #220 | #14 | 42.4 |
| Late 2028 | #247 | #16 | 41.9 |
| Final 2028 | #229 | #15 | 42.2 |
Attributes
| Serve Power | 44 | |
| Serve Accuracy | 40 | |
| Return | 42 | |
| Forehand | 42 | |
| Backhand | 52 | |
| Consistency | 37 | |
| Net Play | 46 | |
| Speed | 49 | |
| Stamina | 52 | |
| Composure | 48 | |
| Clutch | 47 |
Recruiting Timeline
| Received interest from Colby | early_contact Wk 1 |
| Received interest from Connecticut College | early_contact Wk 4 |
| Offered by Colby | offers Wk 8 |
| Offered by Connecticut College | offers Wk 11 |
| Official visit to Connecticut College | visits Wk 16 |
| Official visit to Colby | visits Wk 18 |

