JG
🇦🇺 🇦🇷
Jackson Gielnik
AUS / ARG
Class of 2027 · Born Gold Coast, AUS · May 26 ·
★1-Star
STR
44.9
current (projection)
StrikePrediction · favourite to commit:
Princeton
50%
2 offers
Rankings
| Recruiting board (consensus) | #611 |
| International | #211 |
| Ranking points (908 pts · 28 events) | #258 |
| STR | 44.9 |
| Junior STR (singles) | 45.3 |
| Doubles STR (results-based) | 45.3 |
Junior Badges
GLOBALTop 100
GLOBALTop 250
NATIONTop 5
NATIONTop 10
Junior Results
DATETOURNAMENT
LEVELRESULT
Wk 2
San Luis Potosí Cup
Developmental
R16
Wk 3
Paraná Cup
Developmental
R16
Wk 4
Osijek Cup
Developmental
Champion
Wk 6
Rio de Janeiro Open
Premier
R32
Wk 7
St. Louis International
Premier
Quarterfinalist
Wk 8
Veracruz International
Premier
R16
Wk 9
Kolkata Open
Premier
R32
Wk 11
Groningen Classic
Premier
R32
Wk 12
Bengaluru Open
Premier
Semifinalist
Wk 13
Nuremberg Open
Premier
R32
Wk 15
Rotterdam International
Premier
R16
Wk 16
Tarragona Classic
Premier
R32
Wk 17
Hobart Classic
Premier
R32
Wk 18
Bruges International
Premier
R32
Wk 20
Kladno International
Premier
R16
Wk 21
Eastbourne International
Premier
R32
Wk 22
Mérida Classic
Premier
R32
Wk 24
Split Championships
National
R16
Wk 25
Subotica Open
National
Quarterfinalist
Wk 26
Milan Classic
Premier
Finalist
Wk 27
Tijuana International
Premier
Semifinalist
Wk 29
Apeldoorn International
Premier
R16
Wk 30
Culiacán International
Premier
Champion
Wk 31
Suzhou Open
Major
R16
Wk 33
Dresden Classic
Premier
R32
Wk 34
Nanaimo Classic
Premier
R16
Wk 35
Yokohama Classic
Premier
R32
Wk 36
Nancy International
Premier
R32
Junior Doubles
DATETOURNAMENT
LEVELPARTNERRESULT
Wk 3
Paraná Cup
Developmental
Sulieman Drakes
Champion
Wk 4
Osijek Cup
Developmental
Ivan Youzhny
Champion
Wk 6
Rio de Janeiro Open
Premier
Carlos Maradona
Quarterfinalist
Wk 7
St. Louis International
Premier
Jack Nishioka
Finalist
Wk 8
Veracruz International
Premier
Gwilym Rodon
Semifinalist
Wk 11
Groningen Classic
Premier
Jay Mihailovic
R16
Wk 12
Bengaluru Open
Premier
Arturo Conde
Semifinalist
Wk 15
Rotterdam International
Premier
Frantzdy Luwawu-Cabarrot
Quarterfinalist
Wk 16
Tarragona Classic
Premier
Raffaele Orsolini
Semifinalist
Wk 17
Hobart Classic
Premier
Dario Olmo
Quarterfinalist
Wk 24
Split Championships
National
David Zamora
Finalist
Wk 25
Subotica Open
National
Piotr Durm
Finalist
Wk 27
Tijuana International
Premier
Martin Lund
Quarterfinalist
Wk 30
Culiacán International
Premier
Landyn Gima
Champion
Wk 34
Nanaimo Classic
Premier
David Holub
Finalist
Wk 35
Yokohama Classic
Premier
Brady Brown-Murray
Quarterfinalist
Junior Match Record
DATETOURNAMENT
W/LOPPONENTSCORE
Wk 2
San Luis Potosí Cup Round of 32
W
Piotr Durm
5-7 7-5 10-7
Wk 2
San Luis Potosí Cup Round of 16
L
Roman Tarasov
6-2 6-7 6-10
Wk 3
Paraná Cup Round of 32
W
Bergin Hollingsworth
6-3 6-2
Wk 3
Paraná Cup Round of 16
L
Thilo Nagelsmann
1-6 6-3 9-11
Wk 4
Osijek Cup Round of 32
W
Wesley Palfrey
6-0 6-1
Wk 4
Osijek Cup Round of 16
W
Tiago Lopes
7-5 6-3
Wk 4
Osijek Cup Quarterfinals
W
Pete Ziegenfuss
6-1 6-2
Wk 4
Osijek Cup Semifinals
W
Kemar Foote
6-4 6-4
Wk 4
Osijek Cup Final
W
Fyodor Khachanov
4-6 6-3 10-7
Wk 6
Rio de Janeiro Open Round of 32
L
Sergey Kanunnikov
3-6 6-3 6-10
Wk 7
St. Louis International Round of 32
W
Pender Cantrell
3-6 6-3 10-2
Wk 7
St. Louis International Round of 16
W
Jack Nishioka
6-2 6-4
Wk 7
St. Louis International Quarterfinals
L
Ayrton Carvajal
5-7 2-6
Wk 8
Veracruz International Round of 32
W
Justin Murakami
6-4 6-1
Wk 8
Veracruz International Round of 16
L
Humberto Cabrera
0-6 3-6
Wk 9
Kolkata Open Round of 32
L
Tyler Roxas
1-6 1-6
Wk 11
Groningen Classic Round of 32
L
Dan Henry
6-7 4-6
Wk 12
Bengaluru Open Round of 32
W
Matt Clapham
6-1 6-1
Wk 12
Bengaluru Open Round of 16
W
Achille Colombo
6-0 6-7 10-6
Wk 12
Bengaluru Open Quarterfinals
W
Donald Peralta
6-4 0-6 10-8
Wk 12
Bengaluru Open Semifinals
L
Scooter Liu
3-6 6-7
Wk 13
Nuremberg Open Round of 32
L
Yuba Saidi
6-2 4-6 5-10
Wk 15
Rotterdam International Round of 32
W
Amos Lang
6-7 7-6 11-9
Wk 15
Rotterdam International Round of 16
L
Felipe Nieto
4-6 3-6
Wk 16
Tarragona Classic Round of 32
L
Gaku Kamio
2-6 3-6
Wk 17
Hobart Classic Round of 32
L
Jack Nishioka
3-6 4-6
Wk 18
Bruges International Round of 32
L
Jack Nishioka
6-4 4-6 8-10
Wk 20
Kladno International Round of 32
W
Pita Ngata
6-4 6-2
Wk 20
Kladno International Round of 16
L
Omillio Hiebert
1-6 0-6
Wk 21
Eastbourne International Round of 32
L
Steve Trhac
6-1 6-7 7-10
Wk 22
Mérida Classic Round of 32
L
Sergey Kanunnikov
7-6 2-6 4-10
Wk 24
Split Championships Round of 32
W
James Gaines
7-6 6-2
Wk 24
Split Championships Round of 16
L
Tomas Ortiz
5-7 1-6
Wk 25
Subotica Open Round of 32
W
Lyrik Sill
6-1 6-2
Wk 25
Subotica Open Round of 16
W
Wesley Bosch
6-2 6-3
Wk 25
Subotica Open Quarterfinals
L
Oliver Schmid
4-6 6-3 7-10
Wk 26
Milan Classic Round of 32
W
Hiroshi Endo-Pereira
7-5 6-2
Wk 26
Milan Classic Round of 16
W
Lev Kuzyayev
6-4 5-7 10-7
Wk 26
Milan Classic Quarterfinals
W
Emir Karataş
5-7 6-4 10-6
Wk 26
Milan Classic Semifinals
W
Martin Lund
4-6 6-4 10-7
Wk 26
Milan Classic Final
L
Korey Beach
6-3 6-7 6-10
Wk 27
Tijuana International Round of 32
W
Stanley Jacques
6-4 6-7 10-7
Wk 27
Tijuana International Round of 16
W
Landyn Gima
7-6 4-6 10-3
Wk 27
Tijuana International Quarterfinals
W
Eric Sugimoto
7-5 7-6
Wk 27
Tijuana International Semifinals
L
Ian Yoshii
7-5 6-7 7-10
Wk 29
Apeldoorn International Round of 32
W
Seth Semple
4-6 6-3 10-7
Wk 29
Apeldoorn International Round of 16
L
Leonardo Pino
3-6 2-6
Wk 30
Culiacán International Round of 32
W
Frantzdy Luwawu-Cabarrot
2-6 6-4 10-8
Wk 30
Culiacán International Round of 16
W
Gonzalo Joelson
4-6 6-2 10-5
Wk 30
Culiacán International Quarterfinals
W
Reese Saleapaga
6-4 6-3
Wk 30
Culiacán International Semifinals
W
Jason Sako
6-4 6-4
Wk 30
Culiacán International Final
W
Jack Nishioka
6-4 6-4
Wk 31
Suzhou Open Round of 32
W
Mariano Vazquez
6-4 6-7 11-9
Wk 31
Suzhou Open Round of 16
L
Ryan Arao
4-6 3-6
Wk 33
Dresden Classic Round of 32
L
Ham Parsons
3-6 6-7
Wk 34
Nanaimo Classic Round of 32
W
Felipe Hierro
7-6 6-2
Wk 34
Nanaimo Classic Round of 16
L
Marcelo Casas
3-6 2-6
Wk 35
Yokohama Classic Round of 32
L
Sergio Velazquez
3-6 7-6 4-10
Wk 36
Nancy International Round of 32
L
Matt May-Johnson
6-7 7-5 4-10
College List
SCHOOLOFFERINTEREST
SCHOL.STRIKEPRED.STATUS
Princeton
✓
Hot
¼
50%
Finalist
Boston University
✓
Hot
¼
50%
Finalist
Dreamsheet
Stanford
Virginia
North Carolina
Scouting
| Shared service (consensus) | 45.3 |
| Your department | 51.8 |
| 4-year projection | 49.2 |
Ranking History
| DATE | GLOBAL | NATION | STR |
| Early 2027 | #123 | #3 | 44.1 |
| Mid 2027 | #135 | #5 | 44.0 |
| Late 2027 | #113 | #3 | 44.6 |
| Final 2027 | #94 | #3 | 45.3 |
Attributes
| Serve Power | 49 | |
| Serve Accuracy | 57 | |
| Return | 47 | |
| Forehand | 52 | |
| Backhand | 57 | |
| Consistency | 46 | |
| Net Play | 59 | |
| Speed | 59 | |
| Stamina | 53 | |
| Composure | 58 | |
| Clutch | 50 |
Recruiting
| Intended major | Sport Management |
| Junior tier | Regional / State Elite |
| Origin | International · dual citizen |
| Commitment | Uncommitted |
Recruiting Timeline
| Received interest from Boston University | early_contact Wk 1 |
| Received interest from Princeton | early_contact Wk 5 |
| Offered by Boston University | offers Wk 10 |
| Offered by Princeton | offers Wk 11 |
| Official visit to Boston University | visits Wk 16 |
| Official visit to Princeton | visits Wk 17 |