 Austria: M15 Kottingbrunn - Doubles - Main |
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| Quarter-finals | Kelm Y./Schlageter J. | Bassem Sobhy M./Zakaryia F. | 1:2 (6:3, 2:6, 4:10) | details | 22.08.2024 |
| 1/8-finals | Golubev D./Lomakin G. | Kelm Y./Schlageter J. | 0:2 (3:6, 3:6) | details | 21.08.2024 |
| Austria: M15 Ollersbach - Doubles - Main |
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| Quarter-finals | Kelm Y./Panak Y. | Dragomirov D./Gloeckler M. | 1:2 (6:4, 4:6, 7:10) | details | 15.08.2024 |
| 1/8-finals | Kelm Y./Panak Y. | Linsbichler A./Mangl B. | 2:0 (6:2, 6:1) | details | 13.08.2024 |
 Germany: Augsburg - Doubles - Main |
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| Quarter-finals | Schnaitter J./Wallner M. | Kelm Y./Marysko V. | 2:0 (6:2, 6:2) | details | 24.05.2024 |
| 1/8-finals | Iannaccone F./Potenza L. | Kelm Y./Marysko V. | 0:2 (2:6, 63:7) | details | 23.05.2024 |
 Serbia: M25 Kursumlijska Banja - Doubles - Main |
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| Quarter-finals | Popovic S./Sharipov M. | Gavrielides L./Kelm Y. | 2:0 (6:1, 6:4) | details | 09.05.2024 |
| 1/8-finals | Gavrielides L./Kelm Y. | Manukyan V./Pogosian S. | 2:0 (6:2, 6:1) | details | 07.05.2024 |
| Serbia: M15 Kursumlijska Banja 3 - Doubles - Main |
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| Quarter-finals | Kelm Y./Mujakic A. | Matsuda K./Sueoka Y. | 0:2 (3:6, 3:6) | details | 02.05.2024 |
| 1/8-finals | Shandarov R./Shandarov V. | Kelm Y./Mujakic A. | 0:2 (1:6, 3:6) | details | 30.04.2024 |
| Germany: M15 Meerbusch - Doubles - Main |
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| 1/8-finals | Verbeek D./Visker N. | Kelm Y./Majdandzic M. | 2:0 (6:3, 6:4) | details | 23.04.2024 |
 Turkey: M15 Antalya 9 - Doubles - Main |
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| Quarter-finals | Bielinskyi V./Orlov V. | Gavrielides L./Kelm Y. | 2:0 (6:3, 7:60) | details | 04.04.2024 |
| 1/8-finals | Gavrielides L./Kelm Y. | Carnevalle L./Schiessl J. E. | 2:0 (6:3, 6:3) | details | 03.04.2024 |
| Germany: Ismaning - Doubles - Main |
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| 1/8-finals | Pichler D./Wessels L. | Gavrielides L./Kelm Y. | 0:0 RET. (1:2) | details | 01.11.2023 |
| Germany: M15 Buschhausen - Doubles - Main |
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| Final | Oetzbach A./Schnaitter J. | Engel J./Kelm Y. | 2:0 (7:5, 6:4) | details | 16.09.2023 |
| Semi-finals | Engel J./Kelm Y. | Hermans M./Van Tilburg R. | 2:1 (6:4, 64:7, 10:6) | details | 15.09.2023 |
| Quarter-finals | Gentzsch T./Majdandzic M. | Engel J./Kelm Y. | WO. | details | 14.09.2023 |
| 1/8-finals | Hansen C./Zielinski M. | Engel J./Kelm Y. | 0:2 (2:6, 4:6) | details | 13.09.2023 |
| Germany: M15 Allershausen - Doubles - Main |
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| Semi-finals | Merino A./Negritu Ch. | Al Azmeh T./Kelm Y. | 2:1 (7:5, 3:6, 10:3) | details | 01.09.2023 |
| Quarter-finals | Oetzbach A./Ruehl T. | Al Azmeh T./Kelm Y. | 0:2 (3:6, 3:6) | details | 31.08.2023 |
| 1/8-finals | Al Azmeh T./Kelm Y. | Fellin C./Waldner N. | 2:0 (7:64, 6:2) | details | 30.08.2023 |
 Belgium: M15 Huy - Doubles - Main |
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| 1/8-finals | Kelm Y./Majdandzic M. | Pontjodikromo S./Verbeek D. | 1:2 (2:6, 6:1, 8:10) | details | 22.08.2023 |
| Germany: M15 Frankfurt am Main - Doubles - Main |
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| Quarter-finals | Haerteis J./Schell N. | Kelm Y./Poertner L. | WO. | details | 11.08.2023 |
| 1/8-finals | Alabdullah B./Mubarak A. | Kelm Y./Poertner L. | 0:2 (2:6, 0:6) | details | 08.08.2023 |
| Germany: M15 Metzingen - Doubles - Main |
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| Final | Florig P./Kelm Y. | Jong A. M./Timmermans J. | 1:2 (5:7, 6:4, 8:10) | details | 29.07.2023 |
| Semi-finals | Florig P./Kelm Y. | Sakellaridis M./Salazar D. | 2:0 (6:2, 6:1) | details | 28.07.2023 |
| Quarter-finals | Merino A./Negritu Ch. | Florig P./Kelm Y. | 1:2 (67:7, 6:2, 11:13) | details | 27.07.2023 |