Sofia Costoulas
2022
| US OPEN JUNIOR | [1] | 3R |
| JAPRETORIA | [1] | Win |
| ROLAND GARROS JUNIOR | [2] | 1R |
| JAMILAN | [1] | 3R |
| JAOFFENBACH | [1] | Win |
| J1 PLOVDIV | [1] | Win |
| J1 VRSAR | [1] | Win |
| AUSTRALIAN OPEN JUNIOR | [8] | Final |
| J1 TRARALGON | [7] | Win |
2021
| J1 CHARLEROI-MARCINELLE-2 | [1] | Quarter |
| US OPEN JUNIOR | 3R | |
| JAMILAN-2 | [6] | Quarter |
| WIMBLEDON JUNIOR | 2R | |
| J1 ROEHAMPTON | [16] | 1R |
| ROLAND GARROS JUNIOR | [12] | 2R |
| J1 RICANY | [5] | Quarter |
| J2 HASKOVO | [1] | 1R |
| J1 PLOVDIV | [2] | Final |
2020
| JAPLANTATION-2 | [6] | Quarter |
| J2 BENICARLO-2 | [1] | Win |
| J1 PLOVDIV-2 | [7] | Final |
| ROLAND GARROS JUNIOR | 1R | |
| J2 BYTOM | [1] | Semi |
| J1 SARAWAK | [2] | (continue) |
| J1 NONTHABURI | [3] | 3R |
| AUSTRALIAN OPEN JUNIOR | 1R | |
| J1 TRARALGON | 2R |
Nation
BEL
Age
20 years old (born in 2005)
World Ranking
WTA Ranking　140th
Year-end Junior World Ranking
- Year-end 2022 2th
- Year-end 2021 20th
- Year-end 2020 25th
- Year-end 2019 71th
Rival
celine naef (2-1)
lucie havlickova (2-0)
taylah preston (1-1)
diana shnaider (2-0)
mirra andreeva (1-1)
Match Details
US OPEN JUNIOR
| W | 1R | Lucciana Perez Alarcon | 6-2 6-0 |
| W | 2R | Valerie Glozman | 3-6 6-2 6-2 |
| L | 3R | Mirra Andreeva | 7-5 4-6 1-6 |
JAPRETORIA
| W | 1R | Martina Marica | 3-6 6-2 6-3 |
| W | 2R | Marelie Raath | 6-2 6-2 |
| W | QF | Aruzhan Sagandykova | 5-7 6-4 6-4 |
| W | SF | Ella Mcdonald | 3-6 7-6 6-2 |
| W | F | Melisa Ercan | 7-5 6-2 |
ROLAND GARROS JUNIOR
| L | 1R | Dominika Salkova | 7-6 1-6 3-6 |
JAMILAN
| W | 1R | Lucia Peyre | 6-2 7-6 |
| W | 2R | Sayaka Ishii | 6-3 6-3 |
| L | 3R | Taylah Preston | 5-7 5-7 |
JAOFFENBACH
| W | 1R | Stella Beldiman | 6-0 6-1 |
| W | 2R | Amelie Smejkalova | 6-4 3-6 6-3 |
| W | 3R | Weronika Ewald | 6-2 6-2 |
| W | QF | Mirra Andreeva | 6-7 7-6 6-1 |
| W | SF | Celine Naef | 6-2 6-0 |
| W | F | Lucie Havlickova | 6-4 6-2 |
J1 PLOVDIV
| W | 1R | Alina Khvatova | 6-4 6-3 |
| W | 2R | Katerina Dimitrova | 6-1 6-1 |
| W | QF | Nina Vargova | 6-3 6-1 |
| W | SF | Elizara Yaneva | 6-2 6-0 |
| W | F | Lucia Peyre | 6-4 6-4 |
J1 VRSAR
| W | 2R | Laura Cilekova | 6-3 6-7 6-1 |
| W | 3R | Virginia Ferrara | 6-1 6-0 |
| W | QF | Julie Struplova | 6-4 7-6 |
| W | SF | Mia Ristic | 6-4 6-0 |
| W | F | Lucie Havlickova | 6-2 6-2 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Aruzhan Sagandikova | 6-1 6-2 |
| W | 2R | Meshkatolzahra Safi | 6-0 6-2 |
| W | 3R | Celine Naef | 7-6 7-6 |
| W | QF | Diana Shnaider | 6-3 5-7 6-4 |
| W | SF | Charlotte Kempenaers-Pocz | 6-4 6-1 |
| L | F | Petra Marcinko | 5-7 1-6 |
J1 TRARALGON
| W | 1R | Anca Todoni | 3-6 7-5 6-2 |
| W | 2R | Malwina Rowinska | 7-6 6-2 |
| W | 3R | Tijana Sretenovic | 6-1 6-3 |
| W | QF | Diana Shnaider | 6-3 4-6 6-3 |
| W | SF | Taylah Preston | 4-6 6-4 6-3 |
| W | F | Kayla Cross | 6-4 6-2 |
J1 CHARLEROI-MARCINELLE-2
| W | 2R | Nikola Daubnerova | 6-1 6-1 |
| W | 3R | Giorgia Pedone | 6-2 6-0 |
| L | QF | Celine Naef | 2-6 0-6 |
US OPEN JUNIOR
| W | 1R | Sabina Zeynalova | 5-4 |
| W | 2R | Madison Sieg | 6-3 3-6 6-3 |
| L | 3R | Sebastianna Scilipoti | 6-7 6-7 |
JAMILAN-2
| W | 1R | Marina Stakusic | 6-2 6-4 |
| W | 2R | Ekaterina Maklakova | 6-4 6-4 |
| W | 3R | Giorgia Pedone | 6-3 2-6 7-6 |
| L | QF | Alexandra Eala | 6-7 6-4 4-6 |
WIMBLEDON JUNIOR
| W | 1R | Erika Matsuda | 5-7 6-2 6-0 |
| L | 2R | Alicia Dudeney | 6-3 1-6 6-7 |
J1 ROEHAMPTON
| L | 1R | Nicole Rivkin | 6-1 2-6 6-7 |
ROLAND GARROS JUNIOR
| W | 1R | Julia Middendorf | 6-2 7-5 |
| L | 2R | Michaela Laki | 6-4 2-6 6-7 |
J1 RICANY
| W | 2R | Amelie Smejkalova | 6-2 6-0 |
| W | 3R | Dominika Salkova | 6-3 7-5 |
| L | QF | Sara Bejlek | 4-6 4-6 |
J2 HASKOVO
| L | 1R | Vanessa Ioana Georgiana Popa Teiusanu | 1-6 3-6 |
J1 PLOVDIV
| W | 1R | Ksenia Zaytseva | 7-5 6-3 |
| W | 2R | Sara Bejlek | 7-5 6-2 |
| W | QF | Raquel Gonzalez Vilar | 6-4 6-2 |
| W | SF | Ane Mintegi Del Olmo | 6-3 7-5 |
| L | F | Michaela Laki | 2-6 6-3 2-6 |
JAPLANTATION-2
| W | 2R | Amelia Bissett | 6-3 6-2 |
| W | 3R | Kimmi Hance | 6-4 7-5 |
| L | QF | Elsa Jacquemot | 5-7 6-4 6-7 |
J2 BENICARLO-2
| W | 1R | Raquel Gonzalez Vilar | 6-4 6-2 |
| W | 2R | Nahia Berecoechea | 4-6 6-2 10-7 |
| W | QF | Amelia Bissett | 6-2 6-4 |
| W | SF | Annabelle Xu | 42-5 4-1 10-2 |
| W | F | Noma Noha Akugue | 5-3 4-0 |
J1 PLOVDIV-2
| W | 1R | Fatima Ingrid Amartha Keita | 6-3 5-7 6-1 |
| W | 2R | Anaelle Leclercq | 6-2 6-0 |
| W | QF | Noma Noha Akugue | 6-3 6-2 |
| W | SF | Natalia Szabanin | 1-6 6-2 6-3 |
| L | F | Victoria Jimenez Kasintseva | 2-6 1-6 |
ROLAND GARROS JUNIOR
| L | 1R | Polina Kudermetova | 6-3 2-6 2-6 |
J2 BYTOM
| W | 1R | Emilia Durska | 6-0 6-3 |
| W | 2R | Laura Duhl | 6-2 6-4 |
| W | QF | Rozalia Gruszczynska | 6-3 6-0 |
| L | SF | Weronika Ewald | 1-6 1-6 |
J1 SARAWAK
| W | 2R | Kholisa Siti Maisaroh | 6-0 6-1 |
| W | 3R | Pimrada Jattavapornvanit | 5-7 6-4 6-3 |
J1 NONTHABURI
| W | 2R | Tianmi Mi | 6-1 6-4 |
| L | 3R | Mei Hasegawa | 4-6 4-6 |
AUSTRALIAN OPEN JUNIOR
| L | 1R | Robin Montgomery | 1-6 0-6 |
J1 TRARALGON
| W | 1R | Giulia Morlet | 6-2 6-3 |
| L | 2R | Ane Mintegi Del Olmo | 6-7 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10505, Number of registered players: 6,666, Number of registered results: 385,227