YK
Class of 2028 · Unrated
🇹🇼 Yi-chun Ko
★★★★★
NR · Unrated
STR
36.2
4-yr proj 37.1
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Dreamsheet
Stanford
Penn
Princeton
Junior Badges
NATIONTop 5
NATIONTop 10
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Grenoble Cup
Developmental
R16
Wk 2
Reggio Emilia Open
Premier
R32
Wk 4
Maastricht Cup
Developmental
R32
Wk 6
Amsterdam Cup
Developmental
R32
Wk 8
Londrina Cup
Developmental
R32
Wk 9
Ibiúna Challenger
Developmental
Quarterfinalist
Wk 11
Munich Open
Developmental
R32
Wk 13
Atlanta Classic
State
R16
Wk 14
Coimbatore Cup
State
Semifinalist
Wk 16
Belém Cup
Developmental
R32
Wk 18
Arnhem Cup
Developmental
Finalist
Wk 20
Mechelen Cup
Developmental
R32
Wk 21
Reggio Calabria Open
Developmental
R32
Wk 23
Pula Challenger
Developmental
R16
Wk 25
Versailles Open
Developmental
R32
Wk 26
Chandigarh Challenger
Developmental
R16
Wk 28
Shenzhen Challenger
Developmental
R32
Wk 30
Halle Challenger
Developmental
R32
Wk 32
Jaipur Challenger
Developmental
R16
Wk 33
Bariloche Open
State
R32
Wk 35
Windsor Open
State
R16
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 8
Londrina Cup
Developmental
Annette Nagelsmann
Semifinalist
Wk 11
Munich Open
Developmental
Lorena Arrojo
Semifinalist
Wk 20
Mechelen Cup
Developmental
Hanna Hedlund
Champion
Wk 23
Pula Challenger
Developmental
Augustine Eneme
Quarterfinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Grenoble Cup Round of 16
L
Daria Kovalenko
7-5 6-7 9-11
Wk 2
Reggio Emilia Open Round of 32
L
Elmira Erkinov
1-6 2-6
Wk 4
Maastricht Cup Round of 32
L
Chanel Hector
6-3 3-6 4-10
Wk 6
Amsterdam Cup Round of 32
L
Demi Tector
1-6 1-6
Wk 8
Londrina Cup Round of 32
L
Kerstin Wohlfarth-Bottermann
0-6 2-6
Wk 9
Ibiúna Challenger Round of 16
W
Chloe Holloway
6-1 4-6 10-6
Wk 9
Ibiúna Challenger Quarterfinals
L
Ella Mitchell
3-6 2-6
Wk 11
Munich Open Round of 32
L
Elisabeth Ruud
1-6 6-7
Wk 13
Atlanta Classic Round of 32
W
Catriona Ralston
1-6 6-3 10-5
Wk 13
Atlanta Classic Round of 16
L
Agnes Capello
4-6 1-6
Wk 14
Coimbatore Cup Round of 32
W
Damayanthi Pushpakumara
6-4 5-7 12-10
Wk 14
Coimbatore Cup Round of 16
W
Yaelin Newcombe
7-6 6-3
Wk 14
Coimbatore Cup Quarterfinals
W
Camille Tchatchouang
6-3 6-3
Wk 14
Coimbatore Cup Semifinals
L
Sam Silvera
4-6 3-6
Wk 16
Belém Cup Round of 32
L
Ilaria Mariani
4-6 4-6
Wk 18
Arnhem Cup Semifinals
W
Aisling Brown
6-0 3-6 10-7
Wk 18
Arnhem Cup Final
L
Juliana Rosado
2-6 1-6
Wk 20
Mechelen Cup Round of 32
L
Valerie Starr
3-6 4-6
Wk 21
Reggio Calabria Open Round of 32
L
Ilaria Mariani
6-4 3-6 3-10
Wk 23
Pula Challenger Round of 32
W
Linda Bühl
6-3 6-3
Wk 23
Pula Challenger Round of 16
L
Jada Díaz
3-6 2-6
Wk 25
Versailles Open Round of 32
L
Isidora Dmitrović
4-6 3-6
Wk 26
Chandigarh Challenger Round of 32
W
Ena Kiyomiya
6-4 7-5
Wk 26
Chandigarh Challenger Round of 16
L
Gretchen Picardi
4-6 4-6
Wk 28
Shenzhen Challenger Round of 32
L
Marissa Sripanya
6-4 0-6 0-10
Wk 30
Halle Challenger Round of 32
L
Mariana Zardo
1-6 4-6
Wk 32
Jaipur Challenger Round of 32
W
Ena Kiyomiya
6-1 6-4
Wk 32
Jaipur Challenger Round of 16
L
Aisling Brown
3-6 4-6
Wk 33
Bariloche Open Round of 32
L
Margot Bonga
1-6 2-6
Wk 35
Windsor Open Round of 32
W
Karoline Rasmussen
2-6 6-1 10-7
Wk 35
Windsor Open Round of 16
L
Jaroslava Masopust
6-4 3-6 8-10
Scouting
| Shared service (consensus) | 46.2 |
| Your department | 40.5 |
| 4-year projection | 37.1 |
Ranking History
| DATE | GLOBAL | NATION | STR |
| Early 2028 | #562 | #3 | 36.1 |
| Mid 2028 | #561 | #3 | 36.2 |
| Late 2028 | #556 | #3 | 36.3 |
| Final 2028 | #584 | #3 | 35.7 |
Attributes
| Serve Power | 33 | |
| Serve Accuracy | 25 | |
| Return | 36 | |
| Forehand | 34 | |
| Backhand | 31 | |
| Consistency | 31 | |
| Net Play | 31 | |
| Speed | 36 | |
| Stamina | 22 | |
| Composure | 31 | |
| Clutch | 29 |
Recruiting Timeline
| Received interest from Brooklyn | early_contact Wk 3 |
| Offered by Brooklyn | offers Wk 12 |
| Official visit to Brooklyn | visits Wk 16 |
