 Spain: M25 Mataro - Doubles - Main |
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| 1/8-finals | Simkiss L./Wendelken H. | McCormick T./Perez Sanz D. | 1:2 (1:6, 6:3, 14:16) | details | 22.05.2024 |
 Sweden: M15 Kalmar - Doubles - Main |
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| 1/8-finals | Markiewicz J./Shaw M. | Nandal Y./Wendelken H. | WO. | details | 15.05.2024 |
 United Kingdom: M25 Nottingham 2 - Doubles - Main |
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| Quarter-finals | Charlton J./Hudd E. | Hulme M./Wendelken H. | 2:0 (6:3, 7:65) | details | 02.05.2024 |
| 1/8-finals | Hulme M./Wendelken H. | Canter A./Jones A. | 2:1 (4:6, 7:62, 10:8) | details | 01.05.2024 |
| United Kingdom: M25 Nottingham - Doubles - Main |
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| Quarter-finals | Broom C./Little D. | MacKinlay J./Wendelken H. | 2:1 (3:6, 6:3, 10:6) | details | 25.04.2024 |
| 1/8-finals | MacKinlay J./Wendelken H. | Ilkel C./Masur D. | 2:0 (6:4, 7:64) | details | 23.04.2024 |
 France: M15 Azay-le-Rideau - Doubles - Main |
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| 1/8-finals | Hudd E./Wendelken H. | Harper M./Romano F. | 1:2 (4:6, 7:65, 11:13) | details | 17.04.2024 |
 Egypt: M25 Sharm ElSheikh 2 - Doubles - Main |
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| Final | Jones B./Paul J. | Stewart H./Wendelken H. | 2:1 (2:6, 6:4, 10:8) | details | 13.04.2024 |
| Semi-finals | Majchrzak A./Majchrzak K. | Stewart H./Wendelken H. | 0:2 (5:7, 4:6) | details | 12.04.2024 |
| Quarter-finals | Stewart H./Wendelken H. | Hilderbrand T./Schachter N. | 2:0 (7:65, 6:4) | details | 11.04.2024 |
| 1/8-finals | Hulme M./Watt J. | Stewart H./Wendelken H. | 0:2 (4:6, 4:6) | details | 09.04.2024 |
 Greece: M15 Heraklion 4 - Doubles - Main |
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| Final | Matsuda R./Wendelken H. | Antonopoulos C./Neos E. | 0:2 (4:6, 3:6) | details | 30.03.2024 |
| Semi-finals | Matsuda R./Wendelken H. | Kimhi O./Shimanov O. | 2:0 (6:3, 6:4) | details | 29.03.2024 |
| Quarter-finals | Matsuda R./Wendelken H. | Andre S./Jadoun N. | WO. | details | 28.03.2024 |
| 1/8-finals | Matsuda R./Wendelken H. | Shyovitz E./Vales A. | 2:0 (7:5, 6:3) | details | 27.03.2024 |
| Spain: M15 Villena 2 - Doubles - Main |
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| Quarter-finals | Elamin A./Lopez N. | Hussey G./Wendelken H. | 2:0 (6:3, 7:64) | details | 29.02.2024 |
| 1/8-finals | Blanch Dar./Marques G. | Hussey G./Wendelken H. | 0:2 (64:7, 3:6) | details | 27.02.2024 |
| Spain: M15 Villena - Doubles - Main |
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| 1/8-finals | Hussey G./Wendelken H. | De Krom M./Fernandez Flores D. | 0:2 (5:7, 3:6) | details | 20.02.2024 |
| United Kingdom: Glasgow - Doubles - Main |
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| 1/8-finals | Duncan S./Willis M. | Poljak D./Wendelken H. | 2:0 (6:4, 6:2) | details | 13.02.2024 |
| United Kingdom: M25 Sunderland - Doubles - Main |
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| Quarter-finals | Stevenson D./Willis M. | Bass F./Wendelken H. | 2:0 (6:3, 7:5) | details | 18.01.2024 |
| 1/8-finals | Howse M./Weir P. | Bass F./Wendelken H. | 0:2 (3:6, 1:6) | details | 16.01.2024 |
| United Kingdom: M25 Loughborough - Doubles - Main |
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| Quarter-finals | Bass F./Wendelken H. | Broom C./Houghton G. | 1:2 (2:6, 6:3, 7:10) | details | 11.01.2024 |
| 1/8-finals | Golesworthy R./MacKinlay J. | Bass F./Wendelken H. | 0:2 (4:6, 3:6) | details | 10.01.2024 |
| Greece: M15 Heraklion 5 - Doubles - Main |
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| Semi-finals | Stevenson D./Wendelken H. | Oberleitner N./Schwaerzler J. J. | 1:2 (6:4, 63:7, 11:13) | details | 17.11.2023 |
| Quarter-finals | Stevenson D./Wendelken H. | Lemstra K./Nicod J. | 2:1 (3:6, 7:5, 10:7) | details | 16.11.2023 |
| 1/8-finals | Polichronopoulos A./Sakellaridis M. | Stevenson D./Wendelken H. | 0:2 (1:6, 2:6) | details | 15.11.2023 |
Germany: Hamburg - Singles - Qualification