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Ostajewski Jakub Stats, Results & Fixtures
- Show:
 USA: M15 Lubbock, TX - Singles - Main | |||||||
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| 1/16-finals | Ostajewski J. | Wojcik J. | 0:2 (4:6, 4:6) | details | 21.09.2022 | ||
| USA: M15 Waco, TX - Singles - Main | |||||||
| 1/16-finals | Ostajewski J. | Bigun K. | 0:2 (3:6, 3:6) | details | 06.07.2022 | ||
 Mexico: M15 Cancun 4 - Singles - Main | |||||||
| 1/16-finals | Ostajewski J. | Phillips R. | 0:2 (3:6, 0:6) | details | 10.05.2022 | ||
- Show:
 Finland: M15 Vaasa - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/8-finals | Mintz Z./Ostajewski J. | Ahti V./Zeuch T. | WO. | details | 10.06.2025 | ||
 Poland: M15 Koszalin - Doubles - Main | |||||||
| 1/8-finals | Benes M./Ostajewski J. | Sakellaridis D./Sakellaridis M. | 1:2 (6:3, 5:7, 5:10) | details | 05.09.2023 | ||
 Austria: M15 Vienna - Doubles - Main | |||||||
| 1/8-finals | Lazic M./Werren P. | Ostajewski J./Overmyer K. | 2:0 (6:2, 6:3) | details | 29.08.2023 | ||
| Austria: M15 Warmbad Villach - Doubles - Main | |||||||
| Quarter-finals | Ostajewski J./Schlagenhauf N. | Oradini G./Veldheer M. | 0:2 (2:6, 4:6) | details | 24.05.2023 | ||
| USA: M15 Naples, FL 2 - Doubles - Main | |||||||
| 1/8-finals | Anderson M./Ostajewski J. | Bueno G./Guillen Meza A. | 0:2 (1:6, 5:7) | details | 28.02.2023 | ||
