 Tunisia: M15 Monastir 9 - Doubles - Main |
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| Quarter-finals | Dembek M./Liutarevich I. | Arribage T./Droguet T. | 2:0 (6:4, 6:3) | details | 28.11.2020 |
| 1/8-finals | Dembek M./Liutarevich I. | Echargui M./Thirouin J. | 2:0 (6:3, 6:2) | details | 24.11.2020 |
 Greece: M15 Heraklion 2 - Doubles - Main |
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| 1/8-finals | Dembek M./Dubrivnyy A. | Marozsan F./Piros Z. | 0:2 (4:6, 3:6) | details | 27.10.2020 |
 Romania: M15 Curtea de Arges - Doubles - Main |
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| Quarter-finals | Marti Pujolras A./Toledo B. P. | Dembek M./Sachko V. | 0:2 (3:6, 3:6) | details | 17.09.2020 |
| 1/8-finals | Manole A. V./Pavel B. | Dembek M./Sachko V. | 0:2 (4:6, 4:6) | details | 15.09.2020 |
| Romania: M15 Bucharest - Doubles - Main |
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| Final | Dembek M./Kravchenko G. | Barbu A./Palosi S. | 0:2 (4:6, 2:6) | details | 12.09.2020 |
| Semi-finals | Dembek M./Kravchenko G. | Copil M./Frunza N. | 2:1 (7:5, 3:6, 10:6) | details | 11.09.2020 |
| Quarter-finals | Agamenone F./Guinard M. | Dembek M./Kravchenko G. | 0:2 (2:6, 1:6) | details | 10.09.2020 |
| 1/8-finals | Cornut-Chauvinc A./Droguet T. | Dembek M./Kravchenko G. | 1:2 (6:3, 1:6, 8:10) | details | 08.09.2020 |
 Poland: M25 Poznan - Doubles - Main |
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| Semi-finals | Dembek M./Wojcik Y. | Zielinski J./Zuk K. | 0:2 (5:7, 3:6) | details | 28.08.2020 |
| Quarter-finals | Dembek M./Wojcik Y. | McHugh A./Michalski D. | 2:1 (6:4, 3:6, 10:6) | details | 27.08.2020 |
| 1/8-finals | Dembek M./Wojcik Y. | Erhardt G./Zdzuj A. | 2:0 (6:1, 6:1) | details | 26.08.2020 |
 World: Others matches - Doubles - Main |
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| | Walkow S./Zuk K. | Dembek M./Zielinski J. | 2:0 (6:2, 7:5) | details | 24.06.2020 |
| | Dembek M./Zielinski J. | Mikula M./Wojcik Y. | 2:0 (6:4, 6:3) | details | 23.06.2020 |
| Romania: Sibiu - Doubles - Main |
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| 1/8-finals | Dembek M./Dima D. | Martinez P./Martos Gornes S. | 0:2 (5:7, 2:6) | details | 17.09.2019 |
| Poland: Poznan - Doubles - Main |
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| Semi-finals | Dembek M./Mergea F. | Vavassori A./Vega Hernandez D. | 0:2 (2:6, 63:7) | details | 07.06.2019 |
| Quarter-finals | Dembek M./Mergea F. | Bolelli S./Mager G. | 2:1 (7:65, 4:6, 10:8) | details | 06.06.2019 |
| 1/8-finals | Gong M./Zhang Z. | Dembek M./Mergea F. | 1:2 (6:4, 61:7, 7:10) | details | 05.06.2019 |
| Romania: Sibiu - Doubles - Main |
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| 1/8-finals | Dembek M./Drzewiecki K. | Grigoriu P./Mergea F. | 0:2 (3:6, 4:6) | details | 19.09.2018 |
| Poland: Sopot - Doubles - Main |
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| 1/8-finals | Agamenone F./Manafov V. | Cias P./Dembek M. | 2:1 (6:3, 66:7, 13:11) | details | 31.07.2018 |
| Poland: Poznan - Doubles - Main |
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| Semi-finals | Kowalczyk M./Walkow S. | Dembek M./Zielinski J. | 2:0 (7:65, 6:3) | details | 08.06.2018 |
| Quarter-finals | Dembek M./Zielinski J. | Estrella V./Quiroz R. | 2:0 (6:4, 6:3) | details | 07.06.2018 |
| Romania: Sibiu - Doubles - Main |
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| 1/8-finals | Dembek M./Dumitru A. | Behar A./Fratangelo B. | 0:2 (3:6, 0:6) | details | 18.09.2017 |
| Poland: Szczecin - Doubles - Main |
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| 1/8-finals | Caruso S./Giannessi A. | Dembek M./Panfil G. | 2:1 (1:6, 6:3, 10:4) | details | 13.09.2017 |
| Romania: Sibiu - Doubles - Main |
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| 1/8-finals | Haase R./Puetz T. | Dembek M./Olejniczak D. | 2:0 (6:3, 6:0) | details | 21.09.2016 |
| Romania: Sibiu - Doubles - Main |
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| 1/8-finals | Vucic I./Zekic M. | Dembek M./Jecan M. A. | 2:0 (6:4, 6:3) | details | 22.09.2015 |
Portugal: M15 Loule - Singles - Main
Italy: Santa Margherita Di Pula 7 - Singles - Main