 Sweden: M15 Kalmar - Doubles - Main |
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| Quarter-finals | Markiewicz J./Shaw M. | Rosenkranz M./Ruehl T. | 1:2 (6:3, 4:6, 8:10) | details | 16.05.2024 |
| 1/8-finals | Markiewicz J./Shaw M. | Nandal Y./Wendelken H. | WO. | details | 15.05.2024 |
| Sweden: M25 Varnamo - Doubles - Main |
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| 1/8-finals | Markiewicz J./Shaw M. | Pampanin P./Perfetti N. | 0:2 (4:6, 4:6) | details | 08.05.2024 |
 United Kingdom: M25 Nottingham 2 - Doubles - Main |
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| Semi-finals | Charlton J./Hudd E. | Markiewicz J./Shaw M. | 2:0 (6:4, 6:3) | details | 03.05.2024 |
| Quarter-finals | Markiewicz J./Shaw M. | Davis J./Summers M. | 2:1 (6:4, 3:6, 10:5) | details | 02.05.2024 |
| 1/8-finals | Houghton G./Stewart H. | Markiewicz J./Shaw M. | 1:2 (61:7, 6:4, 9:11) | details | 30.04.2024 |
| United Kingdom: M25 Nottingham - Doubles - Main |
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| Quarter-finals | Charlton J./Hudd E. | Markiewicz J./Shaw M. | 2:0 (6:3, 7:5) | details | 25.04.2024 |
| 1/8-finals | Markiewicz J./Shaw M. | Beaven J./Martin T. | 2:0 (6:2, 6:2) | details | 23.04.2024 |
 France: M15 Azay-le-Rideau - Doubles - Main |
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| 1/8-finals | Cooper S./Markiewicz J. | Ghazouani Durand Y./Massard L. | 0:2 (3:6, 4:6) | details | 16.04.2024 |
| France: M15 Lons-le-Saunier - Doubles - Main |
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| 1/8-finals | Garcian A./Nagel A. | Markiewicz J./Opitz J. | 2:0 (6:3, 6:4) | details | 02.04.2024 |
| France: M25 Saint Dizier - Doubles - Main |
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| 1/8-finals | Berger A./Cooper S. | Markiewicz J./Opitz J. | 2:1 (62:7, 6:4, 10:6) | details | 26.03.2024 |
 Spain: M15 Les Franqueses del Valles - Doubles - Main |
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| Quarter-finals | Cooper S./Van Tilburg R. | Ahti V./Markiewicz J. | 2:1 (6:3, 2:6, 10:4) | details | 14.03.2024 |
| 1/8-finals | Ahti V./Markiewicz J. | Dussin L./Verbard B. | 2:0 (6:2, 6:2) | details | 13.03.2024 |
 Portugal: M25 Vila Real de Santo Antonio - Doubles - Main |
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| Quarter-finals | Markiewicz J./Shaw M. | Domingues J./Faria J. | 0:2 (4:6, 3:6) | details | 17.02.2024 |
| 1/8-finals | Curras Abasolo T./Lopez Morillo I. | Markiewicz J./Shaw M. | 1:2 (4:6, 6:2, 9:11) | details | 16.02.2024 |
| France: M15+H Bagnoles de l'Orne - Doubles - Main |
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| Final | Markiewicz J./Shaw M. | Romano F./Taddia L. | 0:2 (64:7, 3:6) | details | 27.01.2024 |
| Semi-finals | Orlov V./Vasa E. | Markiewicz J./Shaw M. | 1:2 (6:2, 4:6, 6:10) | details | 26.01.2024 |
| Quarter-finals | Pecci A./Picchione A. | Markiewicz J./Shaw M. | 0:0 RET. (2:1) | details | 25.01.2024 |
| 1/8-finals | Markiewicz J./Shaw M. | Lapalu V./Moret J. | 2:0 (6:3, 6:4) | details | 24.01.2024 |
| United Kingdom: M25 Sunderland - Doubles - Main |
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| 1/8-finals | Hou Y./Markiewicz J. | Beaven J./Hodkin S. | 1:2 (6:3, 3:6, 10:12) | details | 17.01.2024 |
 Slovakia: M25 Trnava 2 - Doubles - Main |
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| Semi-finals | Markiewicz J./Shaw M. | Paty D./Poljak D. | 1:2 (6:2, 5:7, 8:10) | details | 10.11.2023 |
| Quarter-finals | Ejupovic E./Sels J. | Markiewicz J./Shaw M. | WO. | details | 09.11.2023 |
| 1/8-finals | Markiewicz J./Shaw M. | Fekete J./Poritskyy A. | 2:1 (3:6, 6:3, 11:9) | details | 07.11.2023 |
| United Kingdom: M25 Sunderland 2 - Doubles - Main |
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| 1/8-finals | Hou Y./Markiewicz J. | Simkiss L./Weir P. | 0:2 (4:6, 3:6) | details | 01.11.2023 |
 Netherlands: M15 Haren - Doubles - Main |
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| Semi-finals | Markiewicz J./Shaw M. | Jans J./Visker N. | 0:2 (4:6, 2:6) | details | 08.09.2023 |
| Quarter-finals | Markiewicz J./Shaw M. | Bouchelaghem C./Hendrikx J. | 2:0 (6:1, 6:4) | details | 07.09.2023 |
| 1/8-finals | De Bakker T./Van Tilburg R. | Markiewicz J./Shaw M. | 1:2 (6:4, 1:6, 9:11) | details | 05.09.2023 |
 Germany: M15 Allershausen - Doubles - Main |
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| 1/8-finals | Merino A./Negritu Ch. | Cubelic K./Markiewicz J. | CAN. | details | 30.08.2023 |
 Poland: M25 Poznan - Doubles - Main |
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| 1/8-finals | Markiewicz J./Zeuch T. | Pieczkowski O./Szajrych J. | 0:2 (4:6, 4:6) | details | 22.08.2023 |
| United Kingdom: M25 Aldershot - Doubles - Main |
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| 1/8-finals | Habib A./Markiewicz J. | Hignett L./Quayle D. | 1:2 (5:7, 6:3, 1:10) | details | 16.08.2023 |
 Tunisia: M15 Monastir 12 - Doubles - Main |
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| 1/8-finals | Mu T./Xiao L. | Ahti V./Markiewicz J. | 2:0 (6:2, 6:3) | details | 21.03.2023 |
| United Kingdom: M25 Glasgow 2 - Doubles - Main |
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| 1/8-finals | Markiewicz J./Shaw M. | Barroso Campos A./Hermans M. | 0:2 (4:6, 2:6) | details | 19.10.2022 |
| France: M25+H Plaisir - Doubles - Main |
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| Quarter-finals | Markiewicz J./Shaw M. | Jones B./Paris J. | 1:2 (6:3, 61:7, 7:10) | details | 14.09.2022 |
| 1/8-finals | Markiewicz J./Shaw M. | Jayagopi S. S./Richerd M. | 2:0 (6:3, 6:4) | details | 13.09.2022 |
| United Kingdom: M25 Roehampton 2 - Doubles - Main |
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| Quarter-finals | Hou Y./Markiewicz J. | Fery A./Whitehouse M. | 0:2 (0:6, 3:6) | details | 25.08.2022 |
| 1/8-finals | Binding J./Houghton G. | Hou Y./Markiewicz J. | 0:2 (1:6, 3:6) | details | 23.08.2022 |
| United Kingdom: M25 Aldershot - Doubles - Main |
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| 1/8-finals | Arribage T./Sanchez L. | Hou Y./Markiewicz J. | 2:0 (6:1, 6:4) | details | 17.08.2022 |
 Morocco: M25 Agadir - Doubles - Main |
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| Quarter-finals | Stable R./Voisin E. | Markiewicz J./Thomas-Smith D. | 2:1 (63:7, 6:4, 10:8) | details | 04.08.2022 |
| 1/8-finals | Markiewicz J./Thomas-Smith D. | Agostinetto G./Mineo M. F. | 2:1 (6:1, 3:6, 10:3) | details | 02.08.2022 |
| Tunisia: M15 Monastir 26 - Doubles - Main |
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| Semi-finals | Markiewicz J./Thomas-Smith D. | Ganta S. K. R./Sureshkumar M. | 0:2 (4:6, 68:7) | details | 08.07.2022 |
| Quarter-finals | Ghorbel A./Ouakaa A. | Markiewicz J./Thomas-Smith D. | 0:2 (3:6, 4:6) | details | 07.07.2022 |
| 1/8-finals | Markiewicz J./Thomas-Smith D. | Sach T./Tricerri S. | 2:1 (1:6, 7:5, 10:3) | details | 05.07.2022 |
 Czech Republic: M25 Most - Doubles - Main |
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| 1/8-finals | Gengel M./Poljak D. | Markiewicz J./Opitz J. | 2:0 (7:60, 6:4) | details | 17.05.2022 |
| Sweden: M25 Kalmar - Doubles - Main |
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| 1/8-finals | Markiewicz J./Opitz J. | Freund S./Ingildsen J. | 1:2 (4:6, 6:3, 7:10) | details | 10.05.2022 |
| Germany: M15 Meerbusch - Doubles - Main |
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| 1/8-finals | Bertrand R./Gomes M. | Markiewicz J./Martinez Martinez J. | 2:0 (6:1, 7:5) | details | 03.05.2022 |
 Egypt: M15 Sharm ElSheikh 8 - Doubles - Main |
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| Quarter-finals | Bergevi F./Niklas-Salminen P. | Markiewicz J./Opitz J. | 2:1 (3:6, 6:2, 10:8) | details | 07.04.2022 |
| 1/8-finals | Markiewicz J./Opitz J. | Bourgois C./Cloes L. | 2:0 (6:4, 6:4) | details | 05.04.2022 |