 Tunisia: M15 Monastir 10 - Doubles - Main |
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| 1/8-finals | Broska F./Ramskogler G. | Kusiewicz P./Vaitiekunas P. | 2:0 (6:1, 6:4) | details | 05.03.2024 |
 Turkey: M15 Antalya - Doubles - Main |
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| Quarter-finals | Baiant R./Kusiewicz P. | Horoz A./Ilkel B. | 0:2 (3:6, 61:7) | details | 13.01.2024 |
| 1/8-finals | Baiant R./Kusiewicz P. | Catini N./Jianu F. C. | CAN. | details | 12.01.2024 |
| 1/8-finals | Baiant R./Kusiewicz P. | Anhelov I./Lin P. C. | 2:0 (7:65, 6:1) | details | 12.01.2024 |
 Greece: M15 Heraklion 4 - Doubles - Main |
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| 1/8-finals | Kusiewicz P./Siekanowicz P. | Glavas C./Schinas S. | 1:2 (7:65, 3:6, 7:10) | details | 24.10.2023 |
| Greece: M15 Heraklion 3 - Doubles - Main |
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| 1/8-finals | Kielan S./Prihodko O. | Kusiewicz P./Siekanowicz P. | 2:0 (6:4, 7:5) | details | 18.10.2023 |
 Poland: M15 Koszalin - Doubles - Main |
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| Semi-finals | Brunclik P./Michocki P. | Kremenchutskyi I./Kusiewicz P. | 2:0 (6:2, 7:5) | details | 08.09.2023 |
| Quarter-finals | Kremenchutskyi I./Kusiewicz P. | Cubelic K./Zielinski M. | WO. | details | 07.09.2023 |
| 1/8-finals | Ruehl T./Zahraj P. | Kremenchutskyi I./Kusiewicz P. | 0:2 (5:7, 64:7) | details | 05.09.2023 |
 Austria: M25 Kramsach - Doubles - Main |
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| 1/8-finals | Kremenchutskyi I./Kusiewicz P. | Kodat T./Matusevich A. | 0:2 (3:6, 1:6) | details | 25.07.2023 |
 Hungary: M15 Nyiregyhaza - Doubles - Main |
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| 1/8-finals | Cuceu A./Dumitru A. C. | Kusiewicz P./Lis M. | CAN. | details | 07.06.2023 |
 Romania: M15 Constanta - Doubles - Main |
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| Quarter-finals | Kusiewicz P./Tudorica A. N. | Nesterov P./Pieczkowski O. | 0:2 (0:6, 0:6) | details | 31.05.2023 |
| 1/8-finals | Kusiewicz P./Tudorica A. N. | Gheorghita S./Manda C. | 1:0 RET. (6:4, 4:2) | details | 30.05.2023 |
 Slovakia: M25 Trnava - Doubles - Main |
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| 1/8-finals | Fekete J./Poritskyy A. | Kusiewicz P./Lis M. | 2:1 (6:4, 65:7, 10:6) | details | 28.03.2023 |
 Qatar: M25 Doha - Doubles - Main |
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| 1/8-finals | Kremenchutskyi I./Kusiewicz P. | Zayed M. S./Zayid M. S. | 1:2 (7:64, 5:7, 6:10) | details | 16.01.2023 |
| Qatar: M15 Doha - Doubles - Main |
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| 1/8-finals | Kusiewicz P./Szic S. | Copil M./Safwat M. | WO. | details | 10.01.2023 |
 Slovenia: M25 Maribor 2 - Doubles - Main |
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| 1/8-finals | Kusiewicz P./Szic S. | Bezjak G./Kovacic T. | 0:2 (5:7, 64:7) | details | 07.09.2022 |
| Hungary: M25 Szabolcsveresmart - Doubles - Main |
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| 1/8-finals | Kusiewicz P./Szic S. | Kravchenko G./Nouza P. | 0:2 (2:6, 3:6) | details | 31.08.2022 |
| Poland: M25 Poznan - Doubles - Main |
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| 1/8-finals | Juszczak P./Matuszewski P. | Kusiewicz P./Szic S. | 2:0 (6:1, 6:3) | details | 23.08.2022 |
| Poland: M15 Bytom - Doubles - Main |
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| 1/8-finals | Barnat J./Duda F. | Kusiewicz P./Szic S. | 2:1 (7:65, 5:7, 10:8) | details | 08.06.2022 |