SS
🇰🇷
Seung-gi Sun
KOR
Class of 2026 · Born Cheongju, KOR · May 9 ·
★1-Star
STR
43.6
current (projection)
StrikePrediction · favourite to commit:
Columbia
100%
1 offer
Rankings
| Recruiting board (consensus) | #615 |
| International | #189 |
| Ranking points (327 pts · 25 events) | #535 |
| STR | 43.6 |
| Junior STR (singles) | 42.3 |
| Doubles STR (results-based) | 42.2 |
Junior Badges
GLOBALTop 250
NATIONTop 5
NATIONTop 10
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Bhopal Open
Premier
R16
Wk 2
Rosario International
Major
R32
Wk 4
Mechelen International
Premier
R16
Wk 5
Milan Classic
Premier
R32
Wk 7
Čačak Classic
Premier
Quarterfinalist
Wk 8
Pisa Classic
Premier
R32
Wk 9
Obregón International
Premier
R16
Wk 11
Parma Classic
Premier
R32
Wk 12
Charlottetown Classic
Premier
R32
Wk 14
Vicenza Open
National
R32
Wk 15
Nanjing Classic
Premier
R32
Wk 17
Mexico City Classic
National
Quarterfinalist
Wk 18
Burgos Open
National
R16
Wk 20
Frankfurt Championships
National
R32
Wk 21
Manacor Classic
National
R16
Wk 22
Higashiosaka Classic
National
Semifinalist
Wk 24
Guangzhou Championships
National
R32
Wk 25
Cagliari Open
National
R16
Wk 27
Karlovy Vary Championships
National
Quarterfinalist
Wk 28
Cambridge Open
National
Quarterfinalist
Wk 30
Cincinnati Classic
National
Semifinalist
Wk 31
Laval Open
National
R32
Wk 33
Wakayama Championships
National
R32
Wk 34
Bradford Championships
National
R16
Wk 35
Miami Classic
National
Quarterfinalist
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 5
Milan Classic
Premier
Mickey Whitlinger
Quarterfinalist
Wk 9
Obregón International
Premier
Rill Okey
R16
Wk 12
Charlottetown Classic
Premier
Sam Mooy
Semifinalist
Wk 14
Vicenza Open
National
Malcolm Baird
Finalist
Wk 15
Nanjing Classic
Premier
Gary Rizzotti
Quarterfinalist
Wk 17
Mexico City Classic
National
Lennox Berhalter
Finalist
Wk 18
Burgos Open
National
Melville Vahaly
Quarterfinalist
Wk 21
Manacor Classic
National
Julius Albert
Quarterfinalist
Wk 22
Higashiosaka Classic
National
Valentine Morrow
Quarterfinalist
Wk 24
Guangzhou Championships
National
Mitchell Lyon
Quarterfinalist
Wk 28
Cambridge Open
National
Van Edris
Quarterfinalist
Wk 30
Cincinnati Classic
National
Grigory Visnevscaia
Semifinalist
Wk 31
Laval Open
National
Zavion Hartrup
Finalist
Wk 33
Wakayama Championships
National
Khaled Shawky
Champion
Wk 35
Miami Classic
National
Dozie Conway
Quarterfinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Bhopal Open Round of 32
W
Jackson Sama
7-5 3-6 10-6
Wk 1
Bhopal Open Round of 16
L
Sandy Hammerbeck
2-6 1-6
Wk 2
Rosario International Round of 32
L
Sam Mooy
6-7 4-6
Wk 4
Mechelen International Round of 32
W
Khalil Chadli
6-1 6-2
Wk 4
Mechelen International Round of 16
L
Albert Ndiaye
1-6 2-6
Wk 5
Milan Classic Round of 32
L
Thomas Amaral
5-7 6-7
Wk 7
Čačak Classic Quarterfinals
L
Grigori Petrov
2-6 3-6
Wk 8
Pisa Classic Round of 32
L
Bodey Echoles
3-6 2-6
Wk 9
Obregón International Round of 32
W
Victor Mickell
6-3 7-5
Wk 9
Obregón International Round of 16
L
Aleksandar Gray
2-6 3-6
Wk 11
Parma Classic Round of 32
L
Rohan Shurtleff
0-6 1-6
Wk 12
Charlottetown Classic Round of 32
L
Marco De Santis
3-6 3-6
Wk 14
Vicenza Open Round of 32
L
Rodmond Choice
3-6 4-6
Wk 15
Nanjing Classic Round of 32
L
Thomas Amaral
5-7 4-6
Wk 17
Mexico City Classic Round of 32
W
Dimitar Vasilev
3-6 7-6 10-3
Wk 17
Mexico City Classic Round of 16
W
Rowdy Solaun
6-3 7-5
Wk 17
Mexico City Classic Quarterfinals
L
Ruslan Akinfeev
4-6 6-3 5-10
Wk 18
Burgos Open Round of 32
W
Diehl Clifford
6-3 7-5
Wk 18
Burgos Open Round of 16
L
Alen Chesnokov
2-6 3-6
Wk 20
Frankfurt Championships Round of 32
L
Leon Donnelly
4-6 5-7
Wk 21
Manacor Classic Round of 32
W
Remington Notaro
6-1 6-3
Wk 21
Manacor Classic Round of 16
L
Malcolm Baird
6-7 0-6
Wk 22
Higashiosaka Classic Round of 32
W
Will Hull
6-1 6-0
Wk 22
Higashiosaka Classic Round of 16
W
Mickey Whitlinger
6-4 6-3
Wk 22
Higashiosaka Classic Quarterfinals
W
Edward Radu
6-2 6-2
Wk 22
Higashiosaka Classic Semifinals
L
Dimitris Papadopoulos
2-6 4-6
Wk 24
Guangzhou Championships Round of 32
L
David Nyström
4-6 4-6
Wk 25
Cagliari Open Round of 32
W
Derrick Ngoyi
7-5 4-6 10-2
Wk 25
Cagliari Open Round of 16
L
Thomas Mathews
4-6 6-4 6-10
Wk 27
Karlovy Vary Championships Round of 32
W
Traylon Brombacher
7-6 6-2
Wk 27
Karlovy Vary Championships Round of 16
W
Takuma Shimabukuro
6-4 6-4
Wk 27
Karlovy Vary Championships Quarterfinals
L
Patrik Holman
4-6 1-6
Wk 28
Cambridge Open Round of 32
W
Tevis Reece
6-2 6-2
Wk 28
Cambridge Open Round of 16
W
Wesley Pace-Wilson
4-6 6-3 10-6
Wk 28
Cambridge Open Quarterfinals
L
Dimitris Papadopoulos
4-6 5-7
Wk 30
Cincinnati Classic Round of 32
W
Thomas Mathews
3-6 7-6 10-7
Wk 30
Cincinnati Classic Round of 16
W
Luke Glass
7-6 6-2
Wk 30
Cincinnati Classic Quarterfinals
W
Traylon Brombacher
6-3 6-1
Wk 30
Cincinnati Classic Semifinals
L
Willy Scrubb
4-6 5-7
Wk 31
Laval Open Round of 32
L
Giacomo Pajola
2-6 4-6
Wk 33
Wakayama Championships Round of 32
L
Dozie Conway
4-6 6-4 8-10
Wk 34
Bradford Championships Round of 32
W
Todd Hollar
6-3 7-6
Wk 34
Bradford Championships Round of 16
L
Maxime Yu
4-6 7-6 3-10
Wk 35
Miami Classic Round of 32
W
Tomáš Veselý
6-3 6-4
Wk 35
Miami Classic Round of 16
W
Karoy Rizy
7-6 7-6
Wk 35
Miami Classic Quarterfinals
L
Curt Magsaysay
2-6 6-3 3-10
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Columbia
✓
Hot
¼
100%
Finalist
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 47.0 |
| Your department | 56.1 |
| 4-year projection | 45.3 |
Ranking History
| DATE | GLOBAL | NATION | STR |
| Early 2026 | #150 | #5 | 42.6 |
| Mid 2026 | #148 | #5 | 42.6 |
| Late 2026 | #147 | #5 | 42.4 |
| Final 2026 | #151 | #5 | 42.3 |
Attributes
| Serve Power | 44 | |
| Serve Accuracy | 52 | |
| Return | 50 | |
| Forehand | 41 | |
| Backhand | 55 | |
| Consistency | 48 | |
| Net Play | 52 | |
| Speed | 50 | |
| Stamina | 54 | |
| Composure | 54 | |
| Clutch | 45 |
Recruiting
| Intended major | Psychology |
| Junior tier | Regional / State Elite |
| Origin | International |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Columbia | early_contact Wk 3 |
| Offered by Columbia | offers Wk 13 |
| Official visit to Columbia | visits Wk 16 |