Leo Borg
2021
| Us Open Junior | 1R | |
| Thejuniorchampionships | [14] | 2R |
| Wimbledon Junior | [14] | 2R |
| J1Roehampton | [15] | 2R |
| Roland Garros Junior | 3R | |
| J1Kazan | [1] | 2R |
| J2Santodomingo | [2] | Final |
| Jacriciuma | 2R | |
| J1Portoalegre | Win | |
| J1Lambare | Quarter | |
| J1Salinas | 1R | |
| J5Sanjose | [1] | Win |
| J4Sanjose | [1] | 2R |
Nation
SWE
Age
22 years old (born in 2003)
World Ranking
ATP Ranking　495th
Year-end Junior World Ranking
- Year-end 2021 15th
- Year-end 2020 134th
- Year-end 2019 330th
Rival
Max Hans Rehberg (1-2)
Marko Topo (3-0)
Juncheng Shang (0-2)
Vojtech Petr (0-2)
Luca- Julian Hotze (2-0)
Match Details
2021 Us Open Junior
| L | 1R | Max Hans Rehberg | 6-4 3-6 6-7 |
2021 Thejuniorchampionships
| W | 1R | Marko Topo | 6-3 6-7 6-0 |
| L | 2R | Vojtech Petr | 1-6 2-6 |
2021 Wimbledon Junior
| W | 1R | Marko Topo | 6-3 6-7 6-0 |
| L | 2R | Vojtech Petr | 1-6 2-6 |
2021 J1Roehampton
| W | 1R | Miguel Gomes | 3-6 6-3 6-2 |
| L | 2R | Derrick Chen | 3-6 6-7 |
2021 Roland Garros Junior
| W | 1R | Max Westphal | 3-6 6-3 6-4 |
| W | 2R | Max Hans Rehberg | 1-6 7-6 6-3 |
| L | 3R | Juncheng Shang | 6-7 6-3 6-7 |
2021 J1Kazan
| W | 1R | Ilia Simakin | 6-1 6-2 |
| L | 2R | Philip Florig | 6-4 6-7 1-6 |
2021 J2Santodomingo
| W | 1R | Niccolo Ciavarella | 6-0 6-2 |
| W | 2R | Derrick Chen | 6-7 6-1 6-3 |
| W | QF | Gonzalo Bueno | 6-2 7-6 |
| W | SF | Lui Maxted | 6-1 1-6 6-3 |
| L | F | Jack Pinnington Jones | 1-6 3-6 |
2021 Jacriciuma
| W | 1R | Ozan Baris | 7-6 6-2 |
| L | 2R | Juncheng Shang | 4-6 4-6 |
2021 J1Portoalegre
| W | 1R | Marko Topo | 6-3 6-7 6-1 |
| W | 2R | Aidan Kim | 6-4 6-3 |
| W | QF | Viacheslav Bielinskyi | - - - |
| W | SF | Pedro Boscardin Dias | 6-2 5-7 7-6 |
| W | F | Bruno Kuzuhara | 3-6 6-4 6-2 |
2021 J1Lambare
| W | 1R | Johan Alexander Rodriguez Rodriguez | 6-4 7-5 |
| W | 2R | Adolfo Daniel Vallejo | 6-1 6-4 |
| L | QF | Max Hans Rehberg | 0-6 4-6 |
2021 J1Salinas
| L | 1R | Adolfo Daniel Vallejo | 6-4 2-6 3-6 |
2021 J5Sanjose
| W | 1R | Gianluca Citadini | 6-2 4-6 6-4 |
| W | 2R | Leanid Boika | 6-3 6-7 6-2 |
| W | QF | Luca- Julian Hotze | 6-4 6-1 |
| W | SF | Timothy Phung | 6-2 6-4 |
| W | F | Jonah Braswell | 6-4 4-6 7-6 |
2021 J4Sanjose
| W | 1R | Luca- Julian Hotze | 4-6 6-3 6-1 |
| L | 2R | Sebastian Sec | 6-7 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,671