JS
🇺🇸
Jason Sako
USA
Class of 2027 · Born Charleston, IL · Dec 9 ·
★★★3-Star
STR
45.7
current (projection)
StrikePrediction · favourite to commit:
Detroit Mercy
20%
8 offers
Rankings
| Recruiting board (consensus) | #181 |
| Illinois | #6 |
| Ranking points (948 pts · 20 events) | #245 |
| STR | 45.7 |
| Junior STR (singles) | 45.8 |
| Doubles STR (results-based) | 44.9 |
Junior Badges
NATTop 300
STATETop 10
STATETop 25
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 1
Miami Classic
Premier
R32
Wk 3
Mackay Championships
National
R32
Wk 5
Gatineau Challenger
Developmental
Quarterfinalist
Wk 7
York Cup
Developmental
Quarterfinalist
Wk 8
Zadar Cup
Developmental
Semifinalist
Wk 10
Mons Classic
National
Champion
Wk 12
Bengaluru Open
Premier
Finalist
Wk 14
San Sebastián Open
Premier
R32
Wk 16
Bhopal Open
Premier
R32
Wk 17
Shenzhen Open
Premier
R16
Wk 19
Jihlava Open
Premier
R16
Wk 21
Modena Classic
Premier
R16
Wk 23
Visakhapatnam Open
Premier
Semifinalist
Wk 25
Leiden Open
Premier
Quarterfinalist
Wk 26
Gijón Classic
Premier
Quarterfinalist
Wk 28
Split Open
Premier
Quarterfinalist
Wk 30
Culiacán International
Premier
Semifinalist
Wk 32
Karlsruhe International
Premier
Finalist
Wk 34
Machida Open
Premier
R32
Wk 35
Bath Open
Premier
Semifinalist
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 1
Miami Classic
Premier
Martin Walts
Finalist
Wk 3
Mackay Championships
National
Greayer Lemons
Quarterfinalist
Wk 7
York Cup
Developmental
Arvid Nordström
Finalist
Wk 8
Zadar Cup
Developmental
Oliver Schmid
Champion
Wk 12
Bengaluru Open
Premier
Martin Walts
Quarterfinalist
Wk 16
Bhopal Open
Premier
Karle Mooberry
Quarterfinalist
Wk 19
Jihlava Open
Premier
Brian Bosman
R16
Wk 21
Modena Classic
Premier
Emir Karataş
Champion
Wk 23
Visakhapatnam Open
Premier
Kristian Lefeau
Quarterfinalist
Wk 26
Gijón Classic
Premier
Aleksandar Newton
Finalist
Wk 30
Culiacán International
Premier
Darwin Fitzgibbon
Finalist
Wk 34
Machida Open
Premier
Connor Watanabe
Finalist
Wk 35
Bath Open
Premier
Darwin Fitzgibbon
Semifinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 1
Miami Classic Round of 32
L
Gaku Kamio
5-7 4-6
Wk 3
Mackay Championships Round of 32
L
Diego Molina
4-6 4-6
Wk 5
Gatineau Challenger Round of 32
W
Modesto Armero
6-1 6-3
Wk 5
Gatineau Challenger Round of 16
W
Tristan Welch
6-1 6-2
Wk 5
Gatineau Challenger Quarterfinals
L
Greayer Lemons
6-3 4-6 2-10
Wk 7
York Cup Round of 32
W
Victor Balde
6-2 6-0
Wk 7
York Cup Round of 16
W
Victor Salón
6-2 6-1
Wk 7
York Cup Quarterfinals
L
Mike Patel
6-7 6-7
Wk 8
Zadar Cup Round of 32
W
Róbert Molnár
6-1 6-2
Wk 8
Zadar Cup Round of 16
W
Kilian Zamora
6-3 6-2
Wk 8
Zadar Cup Quarterfinals
W
Piotr Becker
6-1 6-4
Wk 8
Zadar Cup Semifinals
L
Ignazio Verratti
4-6 6-3 8-10
Wk 10
Mons Classic Semifinals
W
Jalen Boeheim
6-0 6-3
Wk 10
Mons Classic Final
W
Carr Haber
6-1 4-6 10-8
Wk 12
Bengaluru Open Round of 32
W
Marco Weaver
6-3 6-2
Wk 12
Bengaluru Open Round of 16
W
Wilson Márquez
6-3 7-6
Wk 12
Bengaluru Open Quarterfinals
W
Landyn Gima
6-3 4-6 10-6
Wk 12
Bengaluru Open Semifinals
W
Emir Karataş
6-2 7-5
Wk 12
Bengaluru Open Final
L
Scooter Liu
2-6 3-6
Wk 14
San Sebastián Open Round of 32
L
Sung-woo Tak
1-6 3-6
Wk 16
Bhopal Open Round of 32
L
Philadelphia Kleinheisler
7-6 6-7 5-10
Wk 17
Shenzhen Open Round of 32
W
Dimitri Kellond-Knight
6-7 6-3 10-4
Wk 17
Shenzhen Open Round of 16
L
Quincy Hiatt
3-6 4-6
Wk 19
Jihlava Open Round of 32
W
Ozan Akers
7-5 6-4
Wk 19
Jihlava Open Round of 16
L
Shane Klaassen
2-6 4-6
Wk 21
Modena Classic Round of 32
W
Kristian Lefeau
6-2 4-6 10-3
Wk 21
Modena Classic Round of 16
L
Thilo Nagelsmann
5-7 3-6
Wk 23
Visakhapatnam Open Round of 32
W
Korey Beach
4-6 6-2 11-9
Wk 23
Visakhapatnam Open Round of 16
W
Johan Mathis
6-2 4-6 10-8
Wk 23
Visakhapatnam Open Quarterfinals
W
Jack Nishioka
6-4 6-7 10-7
Wk 23
Visakhapatnam Open Semifinals
L
Iapani Ōkubo
6-4 6-7 4-10
Wk 25
Leiden Open Round of 32
W
Oliver Dong
6-2 4-6 10-8
Wk 25
Leiden Open Round of 16
W
Landyn Gima
3-6 7-5 10-3
Wk 25
Leiden Open Quarterfinals
L
Maurizio Tolói
5-7 6-7
Wk 26
Gijón Classic Round of 32
W
Kobi Jung
6-4 6-2
Wk 26
Gijón Classic Round of 16
W
Mykhailo Tymchyk
6-3 6-2
Wk 26
Gijón Classic Quarterfinals
L
Houston Cáceres
3-6 6-7
Wk 28
Split Open Round of 32
W
Yuba Saidi
6-4 6-7 11-9
Wk 28
Split Open Round of 16
W
Curt Regazzoni
6-4 6-4
Wk 28
Split Open Quarterfinals
L
Donald Peralta
6-0 3-6 5-10
Wk 30
Culiacán International Round of 32
W
Wilson Márquez
7-5 6-2
Wk 30
Culiacán International Round of 16
W
Anton Schefflin
6-4 3-6 10-6
Wk 30
Culiacán International Quarterfinals
W
Omillio Hausmann
6-4 4-6 10-5
Wk 30
Culiacán International Semifinals
L
Jackson Gielnik
4-6 4-6
Wk 32
Karlsruhe International Round of 32
W
Johan Mathis
7-6 3-6 10-5
Wk 32
Karlsruhe International Round of 16
W
Nick Fu
7-6 6-2
Wk 32
Karlsruhe International Quarterfinals
W
Iapani Ōkubo
7-6 5-7 10-7
Wk 32
Karlsruhe International Semifinals
W
Ozan Akers
6-3 7-6
Wk 32
Karlsruhe International Final
L
Gaku Kamio
5-7 3-6
Wk 34
Machida Open Round of 32
L
Houston Cáceres
4-6 6-3 3-10
Wk 35
Bath Open Round of 32
W
Ozan Messmer
6-4 6-4
Wk 35
Bath Open Round of 16
W
Vukašin Bogdanović
6-3 6-2
Wk 35
Bath Open Quarterfinals
W
Omni Downs
6-4 6-4
Wk 35
Bath Open Semifinals
L
Evan Hisamatsu
5-7 4-6
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Detroit Mercy
✓
Hot
½
20%
Finalist
South Dakota
✓
Hot
½
21%
Finalist
Akron
✓
Hot
½
20%
Finalist
Ball State
✓
Hot
½
20%
Top School
Robert Morris
✓
Hot
½
19%
Top School
Northern Iowa
✓
Hot
½
—
Tulane
✓
Hot
½
—
Bradley
✓
Hot
½
—
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 56.6 |
| Your department | 57.0 |
| 4-year projection | 47.9 |
Ranking History
| DATE | NATIONAL | STATE | STR |
| Early 2027 | #218 | #9 | 44.9 |
| Mid 2027 | #207 | #9 | 45.3 |
| Late 2027 | #200 | #9 | 45.5 |
| Final 2027 | #188 | #8 | 45.8 |
Attributes
| Serve Power | 56 | |
| Serve Accuracy | 56 | |
| Return | 55 | |
| Forehand | 54 | |
| Backhand | 56 | |
| Consistency | 53 | |
| Net Play | 52 | |
| Speed | 55 | |
| Stamina | 56 | |
| Composure | 56 | |
| Clutch | 56 |
Recruiting
| Intended major | Wildlife Conservation |
| Junior tier | Regional / State Elite |
| Origin | Domestic |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Detroit Mercy | early_contact Wk 4 |
| Received interest from South Dakota | early_contact Wk 4 |
| Received interest from Akron | early_contact Wk 4 |
| Offered by Detroit Mercy | offers Wk 8 |
| Offered by South Dakota | offers Wk 11 |
| Offered by Ball State | offers Wk 11 |
| Offered by Akron | offers Wk 14 |
| Official visit to South Dakota | visits Wk 16 |
| Official visit to Detroit Mercy | visits Wk 17 |
| Narrowed list to 3 schools | narrowing Wk 19 |