JK
🇰🇷
Jin-soo Kwak
KOR
Class of 2027 · Born Cheongju, KOR · Aug 2 ·
★★★3-Star
STR
47.5
current (projection)
StrikePrediction · favourite to commit:
Columbia
27%
4 offers
Rankings
| Recruiting board (consensus) | #195 |
| International | #49 |
| Ranking points (1069 pts · 27 events) | #217 |
| STR | 47.5 |
| Junior STR (singles) | 47.4 |
| Doubles STR (results-based) | 46.6 |
Junior Badges
GLOBALTop 50
GLOBALTop 100
GLOBALTop 250
NATIONTop 5
NATIONTop 10
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Gold Coast Open
Major
Quarterfinalist
Wk 3
Tucumán Championships
Major
R32
Wk 4
Joinville Championships
Major
R16
Wk 5
Ingolstadt Open
Major
R32
Wk 7
Bundaberg Open
Major
Quarterfinalist
Wk 8
Okayama International
Major
R16
Wk 9
Biarritz International
Major
R16
Wk 11
Brighton Championships
Major
R32
Wk 12
Arnhem International
Major
R32
Wk 13
Terrassa Open
Major
R32
Wk 15
Mönchengladbach International
Major
Semifinalist
Wk 16
Dubrovnik International
Major
Quarterfinalist
Wk 17
Rijeka Open
Major
R32
Wk 19
Newcastle Championships
Major
R32
Wk 20
Charleroi Open
Major
Quarterfinalist
Wk 21
Aberdeen Open
Major
R32
Wk 23
Aguascalientes International
Major
Quarterfinalist
Wk 24
Maastricht Open
Major
R32
Wk 25
Maringá Championships
Major
R16
Wk 27
Pančevo International
Major
R32
Wk 28
San Rafael International
Major
R32
Wk 29
Pančevo Championships
Major
R16
Wk 31
Hluboká International
Major
R32
Wk 32
Mainz Open
Major
Quarterfinalist
Wk 33
Nancy Championships
Major
R32
Wk 35
Machida Championships
Major
R32
Wk 36
Angers International
Major
R16
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 3
Tucumán Championships
Major
Otar Kvilitaia
Champion
Wk 4
Joinville Championships
Major
Tre Cioffi
Semifinalist
Wk 7
Bundaberg Open
Major
Manuel Koch
Semifinalist
Wk 9
Biarritz International
Major
Vahid Vandeweghe
Quarterfinalist
Wk 12
Arnhem International
Major
Matt May-Johnson
Semifinalist
Wk 13
Terrassa Open
Major
Eduardo Alves
Quarterfinalist
Wk 19
Newcastle Championships
Major
Khalil Woodall
Quarterfinalist
Wk 21
Aberdeen Open
Major
Andre Skipper
Semifinalist
Wk 23
Aguascalientes International
Major
Donta Flores
Quarterfinalist
Wk 24
Maastricht Open
Major
Renaldo Brun
R16
Wk 25
Maringá Championships
Major
Greayer Lemons
Quarterfinalist
Wk 27
Pančevo International
Major
Donta Flores
Quarterfinalist
Wk 28
San Rafael International
Major
Bernie Pacheco
Champion
Wk 31
Hluboká International
Major
Volker Rudy
Quarterfinalist
Wk 32
Mainz Open
Major
Otis Hibbler
Quarterfinalist
Wk 33
Nancy Championships
Major
Mike Patel
Quarterfinalist
Wk 36
Angers International
Major
Ivan Donnarumma
Quarterfinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Gold Coast Open Round of 32
W
Goran People
6-3 6-2
Wk 1
Gold Coast Open Round of 16
W
Cesar Cucurella
6-7 7-6 10-2
Wk 1
Gold Coast Open Quarterfinals
L
Simone Marchetti
4-6 2-6
Wk 3
Tucumán Championships Round of 32
L
Otar Kvilitaia
3-6 4-6
Wk 4
Joinville Championships Round of 32
W
Stepan Andreeva
6-1 6-4
Wk 4
Joinville Championships Round of 16
L
Watson McKittrick
1-6 4-6
Wk 5
Ingolstadt Open Round of 32
L
Lucas Ullstrom
1-6 1-6
Wk 7
Bundaberg Open Round of 32
W
Darwin Fitzgibbon
6-3 6-4
Wk 7
Bundaberg Open Round of 16
W
Javi Pendande
6-3 6-4
Wk 7
Bundaberg Open Quarterfinals
L
Otar Kvilitaia
4-6 3-6
Wk 8
Okayama International Round of 32
W
Jacobian Baxter
7-6 6-3
Wk 8
Okayama International Round of 16
L
Graydon Eakin
3-6 0-6
Wk 9
Biarritz International Round of 32
W
Ostap Andriyevskyi
6-1 6-2
Wk 9
Biarritz International Round of 16
L
Xadavien Humphrey
1-6 3-6
Wk 11
Brighton Championships Round of 32
L
Tre Cioffi
3-6 6-4 6-10
Wk 12
Arnhem International Round of 32
L
Aleš Vydra
3-6 7-6 5-10
Wk 13
Terrassa Open Round of 32
L
Bernie Pacheco
6-7 7-6 6-10
Wk 15
Mönchengladbach International Round of 32
W
Bruno Giordano
6-3 7-6
Wk 15
Mönchengladbach International Round of 16
W
Irvin Burgos
6-4 7-6
Wk 15
Mönchengladbach International Quarterfinals
W
Gwilym Rodon
6-3 6-4
Wk 15
Mönchengladbach International Semifinals
L
Luciano Barreto
4-6 7-5 5-10
Wk 16
Dubrovnik International Round of 32
W
Vicente Peralta
6-1 6-1
Wk 16
Dubrovnik International Round of 16
W
Greg Akli
6-4 3-6 10-8
Wk 16
Dubrovnik International Quarterfinals
L
José Diaz
6-4 3-6 7-10
Wk 17
Rijeka Open Round of 32
L
Eddie Enrique
3-6 3-6
Wk 19
Newcastle Championships Round of 32
L
Miles Tracy
3-6 7-5 3-10
Wk 20
Charleroi Open Round of 32
W
Ozan Messmer
6-1 6-4
Wk 20
Charleroi Open Round of 16
W
Matt May-Johnson
6-2 6-2
Wk 20
Charleroi Open Quarterfinals
L
Evan Yani
3-6 4-6
Wk 21
Aberdeen Open Round of 32
L
Chief Oluwaseyi
4-6 6-7
Wk 23
Aguascalientes International Round of 32
W
Caleb de Garmendia
6-1 3-6 11-9
Wk 23
Aguascalientes International Round of 16
W
Yasiel Suarez
2-6 6-4 10-8
Wk 23
Aguascalientes International Quarterfinals
L
Aleš Vydra
6-3 4-6 4-10
Wk 24
Maastricht Open Round of 32
L
Vahid Vandeweghe
1-6 4-6
Wk 25
Maringá Championships Round of 32
W
Konstantin Korolev
6-4 6-4
Wk 25
Maringá Championships Round of 16
L
Douglas Dixon
6-7 2-6
Wk 27
Pančevo International Round of 32
L
Clarence Clardy
6-7 6-7
Wk 28
San Rafael International Round of 32
L
Leroy Weidenfeller
7-6 6-7 10-12
Wk 29
Pančevo Championships Round of 32
W
Irvin Burgos
7-5 4-6 10-4
Wk 29
Pančevo Championships Round of 16
L
Wilson Flores
6-7 4-6
Wk 31
Hluboká International Round of 32
L
Brandon Goodling
6-4 3-6 7-10
Wk 32
Mainz Open Round of 32
W
Vitas Martin
6-4 4-6 10-6
Wk 32
Mainz Open Round of 16
W
Kendrick Sauerbrunn
6-3 6-3
Wk 32
Mainz Open Quarterfinals
L
Evan Yani
5-7 5-7
Wk 33
Nancy Championships Round of 32
L
Leroy Weidenfeller
3-6 6-3 7-10
Wk 35
Machida Championships Round of 32
L
Dong-hyun Eom
6-3 6-7 5-10
Wk 36
Angers International Round of 32
W
Vitas Martin
6-3 7-6
Wk 36
Angers International Round of 16
L
Luciano Barreto
6-7 6-3 3-10
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Columbia
✓
Hot
½
27%
Finalist
Princeton
✓
Hot
½
26%
Finalist
Air Force
✓
Hot
½
23%
Finalist
Harvard
✓
Hot
½
25%
Top School
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 53.1 |
| Your department | 49.6 |
| 4-year projection | 48.8 |
Ranking History
| DATE | GLOBAL | NATION | STR |
| Early 2027 | #50 | #2 | 47.7 |
| Mid 2027 | #50 | #2 | 47.5 |
| Late 2027 | #50 | #2 | 47.5 |
| Final 2027 | #54 | #2 | 47.4 |
Attributes
| Serve Power | 53 | |
| Serve Accuracy | 59 | |
| Return | 50 | |
| Forehand | 57 | |
| Backhand | 55 | |
| Consistency | 64 | |
| Net Play | 49 | |
| Speed | 64 | |
| Stamina | 59 | |
| Composure | 58 | |
| Clutch | 58 |
Recruiting
| Intended major | Pre-Law |
| Junior tier | National Elite |
| Origin | International |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Princeton | early_contact Wk 4 |
| Received interest from Air Force | early_contact Wk 4 |
| Received interest from Columbia | early_contact Wk 5 |
| Offered by Columbia | offers Wk 9 |
| Offered by Air Force | offers Wk 12 |
| Offered by Harvard | offers Wk 12 |
| Offered by Princeton | offers Wk 15 |
| Official visit to Columbia | visits Wk 17 |
| Official visit to Princeton | visits Wk 18 |