 Croatia: M15 Split - Doubles - Main |
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| Quarter-finals | Heinonen A./Jakic M. | Basic M./Simundza J. | 2:1 (64:7, 7:63, 10:7) | details | 25.04.2024 |
| 1/8-finals | Madarasz G./Woerner P. | Heinonen A./Jakic M. | 0:2 (2:6, 0:6) | details | 23.04.2024 |
| Croatia: M15 Dubrovnik - Doubles - Main |
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| 1/8-finals | Mikrut L./Poljicak M. | Heinonen A./Szajrych J. | 2:1 (6:3, 3:6, 10:8) | details | 16.04.2024 |
 Greece: M15 Heraklion 3 - Doubles - Main |
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| 1/8-finals | Heinonen A./Quayle D. | Demanet E./Donald M. | 0:2 (65:7, 3:6) | details | 19.03.2024 |
 Spain: M15 Villena 2 - Doubles - Main |
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| 1/8-finals | Gil Garcia A./Heinonen A. | Davis J./Summers M. | 0:2 (0:6, 0:6) | details | 27.02.2024 |
| Spain: M15 Villena - Doubles - Main |
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| 1/8-finals | Gil Garcia A./Heinonen A. | Davis J./Summers M. | 0:2 (4:6, 4:6) | details | 20.02.2024 |
| Spain: M15 Madrid 2 - Doubles - Main |
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| Quarter-finals | Catanzariti A.J./Reynolds F. | Heinonen A./Ponchet M. | 2:1 (3:6, 6:4, 10:7) | details | 30.11.2023 |
| 1/8-finals | de Pablo Calatrava D./Manzano Lapuerta P. | Heinonen A./Ponchet M. | 0:2 (3:6, 3:6) | details | 28.11.2023 |
| Greece: M15 Heraklion 4 - Doubles - Main |
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| Quarter-finals | Gil Garcia A./Heinonen A. | Christodoulou S./Neos E. | 1:2 (6:0, 4:6, 2:10) | details | 26.10.2023 |
| 1/8-finals | Sakellaridis D./Sakellaridis S. | Gil Garcia A./Heinonen A. | 1:2 (3:6, 6:3, 7:10) | details | 24.10.2023 |
 Sweden: M25 Falun - Doubles - Main |
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| Semi-finals | Backman J./Heinonen A. | Matusevich A./Wendelken H. | 0:2 (63:7, 3:6) | details | 28.09.2023 |
| Quarter-finals | Eriksson S./Saar A. | Backman J./Heinonen A. | 0:2 (5:7, 1:6) | details | 27.09.2023 |
| 1/8-finals | Gomez G./Ponchet M. | Backman J./Heinonen A. | 0:2 (2:6, 63:7) | details | 26.09.2023 |
| Sweden: M15 Danderyd - Doubles - Main |
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| 1/8-finals | De Jonge D./Schnaitter J. | Backman J./Heinonen A. | 2:1 (1:6, 6:3, 10:2) | details | 20.09.2023 |
| Sweden: M25 Ystad - Doubles - Main |
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| Semi-finals | Grevelius E./Heinonen A. | Vasa E./Wallin O. | 0:2 (4:6, 66:7) | details | 18.08.2023 |
| Quarter-finals | Cook E./Friberg K. | Grevelius E./Heinonen A. | 0:2 (3:6, 61:7) | details | 17.08.2023 |
| 1/8-finals | Bolin M./Sonesson L. O. | Grevelius E./Heinonen A. | 0:2 (1:6, 1:6) | details | 16.08.2023 |
 Finland: M15 Hyvinkaa - Doubles - Main |
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| Final | Grevelius E./Heinonen A. | Kaukovalta P./Vasa E. | 1:2 (1:6, 7:5, 5:10) | details | 05.08.2023 |
| Semi-finals | Duda F./Sorrentino L. | Grevelius E./Heinonen A. | 1:2 (2:6, 6:4, 7:10) | details | 05.08.2023 |
| Quarter-finals | Seeman J./Troost S. | Grevelius E./Heinonen A. | 1:2 (3:6, 6:3, 8:10) | details | 04.08.2023 |
| 1/8-finals | Grevelius E./Heinonen A. | Hietaranta R. M./Rocens M. | 2:0 (6:2, 6:4) | details | 01.08.2023 |
 Denmark: M15 Vejle - Doubles - Main |
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| 1/8-finals | Heinonen A./Sonesson L. O. | Kaukovalta P./Vasa E. | 1:2 (610:7, 6:3, 4:10) | details | 26.07.2023 |
 Bulgaria: M15 Sofia - Doubles - Main |
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| Final | Aboian L./Gomez F. A. | Grevelius E./Heinonen A. | 1:2 (1:6, 6:4, 7:10) | details | 08.07.2023 |
| Semi-finals | Grevelius E./Heinonen A. | Donev G./Ivanov S. A. | 2:1 (6:4, 2:6, 11:9) | details | 08.07.2023 |
| Quarter-finals | Grevelius E./Heinonen A. | Milushev P./Terziev S. | 2:0 (6:2, 6:4) | details | 08.07.2023 |
Germany: M25 Nussloch - Singles - Main