 Guam: M15 Harmon - Doubles - Main |
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| Quarter-finals | Kawachi K./Matsuda R. | Poritzky E./Zusman R. | 2:0 (6:4, 6:4) | details | 06.06.2024 |
| 1/8-finals | Poritzky E./Zusman R. | Sachdev A./Visaya A. | 2:0 (6:3, 7:5) | details | 04.06.2024 |
 Japan: M15 Karuizawa - Doubles - Main |
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| 1/8-finals | Poritzky E./Ryan Ziegann S. | Horie T./Kono Y. | 0:2 (3:6, 65:7) | details | 29.05.2024 |
 USA: M25 Southaven, MS - Doubles - Main |
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| 1/8-finals | Chopra K./Poritzky E. | Al Allaf K./O'Hoisin O. | 0:2 (64:7, 2:6) | details | 10.08.2023 |
| USA: M15 Pittsburgh, PA - Doubles - Main |
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| 1/8-finals | King D./Maginley J. | Bernard J./Poritzky E. | 2:0 (6:2, 6:3) | details | 25.07.2023 |
| USA: M15 Rochester, NY - Doubles - Main |
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| 1/8-finals | Liokossis S./Poritzky E. | Catanzariti A.J./Maginley J. | 0:2 (64:7, 1:6) | details | 20.07.2023 |
| USA: M15 Huntsville, AL - Doubles - Main |
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| 1/8-finals | Bynoe E./Vasser O. | Poritzky E./Trondson J. | 2:0 (6:4, 6:4) | details | 23.05.2023 |
| USA: M25 Pensacola, FL - Doubles - Main |
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| 1/8-finals | Vale D./Zink T. | Poritzky E./Stice T. | 2:0 (6:3, 6:3) | details | 17.05.2023 |
| USA: M15 Memphis, TN - Doubles - Main |
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| 1/8-finals | Godsick N./Kwiatkowski T. S. | Chopra K./Poritzky E. | 2:0 (6:4, 6:0) | details | 16.08.2022 |
 Turkey: M15 Antalya 22 - Doubles - Main |
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| 1/8-finals | Dossetter C./Poritzky E. | Kodat T./Stodder T. | 0:2 (2:6, 1:6) | details | 01.06.2021 |
 Spain: M15 Paguera - Doubles - Main |
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| 1/8-finals | Poritzky E./Roveri Sidney G. | Ceppellini A./Weis A. | 0:2 (4:6, 4:6) | details | 18.02.2020 |
