Rozalia Gruszczynska
2021
| JAPLANTATION | 1R | |
| J1 BRADENTON | 1R | |
| J3 NICOSIA | [2] | Quarter |
| J2 SZEKESFEHERVAR | 2R | |
| J1 SANXENXO | 1R | |
| J2 VIGO | 1R | |
| J1 VRSAR | 1R | |
| J2 NOVISAD | 2R | |
| J2 SALSOMAGGIORE-2 | [6] | 1R |
| J2 BUDAPEST | 1R | |
| J3 KRAKOW | [2] | Quarter |
| J2 GLADBECK | Quarter | |
| J3 IRPIN | [3] | Quarter |
| J1 BYTOM | 1R | |
| J3 RAMATHASHARON | [2] | Semi |
| J4 RAANANA | [1] | Quarter |
| J3 ISTANBUL | 1R | |
| J2 SANTODOMINGO-2 | 1R | |
| J2 SANTODOMINGO | 1R | |
| J2 SIAULIAI | 1R |
2020
| J4 ARAD | [1] | Win |
| J4 BEERSHEVA | [1] | Win |
Nation
POL
Year-end Junior World Ranking
- Year-end 2021 198th
- Year-end 2020 249th
- Year-end 2019 455th
Match Details
2021 JAPLANTATION
| L | 1R | Ahmani Guichard | 2-6 1-6 |
2021 J1 BRADENTON
| L | 1R | Sayaka Ishii | 0-6 6-4 1-6 |
2021 J3 NICOSIA
| W | 1R | Eleni Lazaridou | 6-0 6-2 |
| W | 2R | Alian Zack | 6-4 6-4 |
| L | QF | Artemis Aslanisvili | 6-1 5-7 3-6 |
2021 J2 SZEKESFEHERVAR
| W | 1R | Mila Badics | 6-2 6-0 |
| L | 2R | Kristyna Tomajkova | 5-7 0-6 |
2021 J1 SANXENXO
| L | 1R | Nahia Berecoechea | 0-6 6-7 |
2021 J2 VIGO
| L | 1R | Anca Todoni | 5-7 6-4 3-6 |
2021 J1 VRSAR
| L | 1R | Mia Ristic | 4-6 3-6 |
2021 J2 NOVISAD
| W | 1R | Dunja Maric | 4-6 6-1 7-5 |
| L | 2R | Vanessa Ioana Georgiana Popa Teiusanu | 4-6 6-4 4-6 |
2021 J2 SALSOMAGGIORE-2
| L | 1R | Emma Rizzetto | 4-6 6-4 5-7 |
2021 J2 BUDAPEST
| L | 1R | Tijana Sretenovic | 2-6 1-6 |
2021 J3 KRAKOW
| W | 1R | Uma Bakaityte | 6-3 6-4 |
| W | 2R | Karolina Golda | 6-1 6-2 |
| L | QF | Irina Balus | 2-6 2-6 |
2021 J2 GLADBECK
| W | 1R | Palina Mannapova | 6-3 6-1 |
| W | 2R | Maria Sholokhova | 6-1 6-7 6-1 |
| L | QF | Joelle Lilly Sophie Steur | 3-6 7-5 2-6 |
2021 J3 IRPIN
| W | 1R | Elena Grekul | 6-3 6-0 |
| W | 2R | Myroslava Zelenchuk | 6-2 6-3 |
| L | QF | Tamara Kostic | 6-1 4-6 3-6 |
2021 J1 BYTOM
| L | 1R | Polina Iatcenko | 2-6 2-6 |
2021 J3 RAMATHASHARON
| W | 1R | Shay Fadlon | 6-0 6-0 |
| W | 2R | Emily Sartz-Lunde | 6-3 6-4 |
| W | QF | Lorin Tilipman | 6-2 6-3 |
| L | SF | Noa Major | 5-7 6-0 3-6 |
2021 J4 RAANANA
| W | 1R | May Fadida | 6-0 6-2 |
| W | 2R | Karin Altori | 6-1 6-0 |
| L | QF | Noa Major | 1-6 6-7 |
2021 J3 ISTANBUL
| L | 1R | Lucia Llinares Domingo | 5-7 5-7 |
2021 J2 SANTODOMINGO-2
| L | 1R | Milena Jevtovic | 4-6 4-6 |
2021 J2 SANTODOMINGO
| L | 1R | Bianca Jolie Fernandez | 1-6 0-6 |
2021 J2 SIAULIAI
| L | 1R | Anna Semenova | 6-3 3-6 4-6 |
2020 J4 ARAD
| W | 1R | Oluchukwu Jennifer Nkili | 4-1 4-2 |
| W | 2R | Tali Malykhin | 4-1 4-1 |
| W | QF | Ksenia Agureeva | 4-2 5-4 |
| W | SF | Sofia Antonella Caldera | 6-3 6-0 |
| W | F | Chiara Fornasieri | 6-2 6-3 |
2020 J4 BEERSHEVA
| W | 1R | Karin Altori | 6-0 6-0 |
| W | 2R | Emmy Yaron | 6-0 6-0 |
| W | QF | Marte Lambrecht | 6-3 6-7 6-3 |
| W | SF | Chiara Fornasieri | 6-2 6-3 |
| W | F | Carlotta Moccia | 6-4 0-6 6-4 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9622, Number of registered players: 6,052, Number of registered results: 332,072