 Spain: Mallorca - Doubles - Main |
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| 1/8-finals | Doumbia S./Reboul F. | Harrison C./Martin F. | 2:1 (64:7, 6:4, 10:8) | details | 25.06.2024 |
 United Kingdom: Ilkley - Doubles - Main |
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| Final | King E./Stalder R. | Harrison C./Martin F. | 2:1 (6:3, 3:6, 10:6) | details | 21.06.2024 |
| Semi-finals | Harrison C./Martin F. | Daniell M./Middelkoop M. | 2:1 (3:6, 6:2, 11:9) | details | 21.06.2024 |
| Quarter-finals | Arends S./Pel D. | Harrison C./Martin F. | 0:2 (5:7, 3:6) | details | 20.06.2024 |
| 1/8-finals | Harrison C./Martin F. | Jacq G./Mansouri S. | 2:1 (6:3, 65:7, 10:8) | details | 19.06.2024 |
| United Kingdom: Nottingham - Doubles - Main |
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| 1/8-finals | Ajdukovic D./Dzumhur D. | Harrison C./Martin F. | 2:1 (3:6, 6:3, 10:7) | details | 12.06.2024 |
 Germany: Heilbronn - Doubles - Main |
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| Quarter-finals | Arneodo R./Blancaneaux G. | Harrison C./Martin F. | 2:0 (6:4, 6:4) | details | 06.06.2024 |
| 1/8-finals | Harrison C./Martin F. | Arribage T./Cornea V. V. | 2:1 (2:6, 7:64, 10:7) | details | 05.06.2024 |
 Portugal: Oeiras 4 - Doubles - Main |
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| Quarter-finals | Freund S./Ingildsen J. | Harrison C./Martin F. | 2:1 (5:7, 6:1, 10:5) | details | 16.05.2024 |
| 1/8-finals | Drzewiecki K./Walkow S. | Harrison C./Martin F. | 0:2 (2:6, 1:6) | details | 15.05.2024 |
 Austria: Mauthausen - Doubles - Main |
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| Quarter-finals | Blanchet U./Martineau M. | Harrison C./Martin F. | 2:1 (4:6, 7:63, 10:7) | details | 09.05.2024 |
| 1/8-finals | Harrison C./Martin F. | Dodig M./Misolic F. | 2:1 (61:7, 7:65, 10:6) | details | 07.05.2024 |
 USA: Savannah - Doubles - Main |
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| Final | Freund S./Ingildsen J. | Harrison C./Willis M. | 0:2 (3:6, 3:6) | details | 27.04.2024 |
| Semi-finals | Harrison C./Willis M. | Gomez F. A./Martinez L. D. | 2:1 (6:3, 3:6, 10:7) | details | 27.04.2024 |
| Quarter-finals | Kirchheimer S./Kodat T. | Harrison C./Willis M. | 0:2 (4:6, 2:6) | details | 25.04.2024 |
| 1/8-finals | Bybel N./Crawford O. | Harrison C./Willis M. | 0:2 (4:6, 2:6) | details | 24.04.2024 |
| 1/8-finals | Oliveira G./Popko D. | Harrison C./Willis M. | CAN. | details | 24.04.2024 |
| USA: Tallahassee - Doubles - Main |
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| Semi-finals | Freund S./Ingildsen J. | Harrison C./Willis M. | 2:1 (6:4, 63:7, 10:7) | details | 19.04.2024 |
| Quarter-finals | Bybel N./Crawford O. | Harrison C./Willis M. | 0:2 (3:6, 3:6) | details | 18.04.2024 |
| 1/8-finals | Rai A./Stevenson K. | Harrison C./Willis M. | 1:2 (6:4, 1:6, 6:10) | details | 17.04.2024 |
| USA: Sarasota - Doubles - Main |
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| 1/8-finals | Blancaneaux G./Hemery C. | Harrison C./Willis M. | 2:0 (6:3, 6:2) | details | 09.04.2024 |
 Mexico: Mexico City - Doubles - Main |
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| Semi-finals | Schoolkate T./Walton A. | Harrison C./Willis M. | 2:0 (6:3, 7:610) | details | 06.04.2024 |
| Quarter-finals | Fancutt T. J./Reese H. | Harrison C./Willis M. | 0:2 (3:6, 4:6) | details | 04.04.2024 |
| 1/8-finals | Lock B./Statham J. R. | Harrison C./Willis M. | 0:2 (1:6, 2:6) | details | 03.04.2024 |
| Mexico: San Luis Potosi - Doubles - Main |
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| 1/8-finals | Harrison C./Paris J. | Kiger M./Sigouin B. | 0:2 (63:7, 63:7) | details | 27.03.2024 |
 Switzerland: Lugano - Doubles - Main |
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| 1/8-finals | Bergevi F./Veldheer M. | Harrison C./Paris J. | 2:1 (62:7, 6:4, 10:8) | details | 06.03.2024 |
 France: Lille - Doubles - Main |
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| Final | Droguet T./Mpetshi Perricard G. | Harrison C./Willis M. | 0:2 (66:7, 3:6) | details | 02.03.2024 |
| Semi-finals | Harrison C./Willis M. | Escoffier A./Paris J. | 2:0 (6:2, 6:2) | details | 01.03.2024 |
| Quarter-finals | Harrison C./Willis M. | Geerts M./Niklas-Salminen P. | 2:1 (6:3, 3:6, 13:11) | details | 29.02.2024 |
| 1/8-finals | Harrison C./Willis M. | Bergevi F./Veldheer M. | 2:1 (6:4, 65:7, 10:8) | details | 27.02.2024 |
| France: Pau - Doubles - Main |
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| Final | Arneodo R./Weissborn S. | Harrison C./Nakashima B. | 0:2 (65:7, 4:6) | details | 24.02.2024 |
| Semi-finals | Eysseric J./Olivetti A. | Harrison C./Nakashima B. | 0:2 (4:6, 5:7) | details | 23.02.2024 |
| Quarter-finals | Harrison C./Nakashima B. | Cacic N./Molchanov D. | WO. | details | 22.02.2024 |
| 1/8-finals | Harris L./Paire B. | Harrison C./Nakashima B. | 1:2 (6:2, 3:6, 7:10) | details | 20.02.2024 |
| France: Cherbourg - Doubles - Main |
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| Semi-finals | Goldhoff G./Trotter J. K. | Eysseric J./Harrison C. | 2:0 (7:65, 6:4) | details | 16.02.2024 |
| Quarter-finals | Eysseric J./Harrison C. | Hoang A./Jacq G. | 2:0 (6:1, 6:4) | details | 15.02.2024 |
| 1/8-finals | Eysseric J./Harrison C. | Vatutin A./Vylegzhanin N. | 2:0 (6:2, 6:4) | details | 14.02.2024 |
| United Kingdom: Nottingham 3 - Doubles - Main |
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| Quarter-finals | Harrison C./McHugh A. | Johnson L./Jones B. | 0:2 (4:6, 65:7) | details | 08.02.2024 |
| 1/8-finals | Harrison C./McHugh A. | Mpetshi Perricard G./Shelbayh A. | 2:1 (6:4, 3:6, 10:7) | details | 07.02.2024 |
| 1/8-finals | Harrison C./McHugh A. | Broom C./Gray A. | CAN. | details | 07.02.2024 |
| Germany: Koblenz - Doubles - Main |
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| Semi-finals | Arends S./Verbeek S. | Harrison C./Willis M. | 2:0 (7:60, 7:64) | details | 02.02.2024 |
| Quarter-finals | Harrison C./Willis M. | Liutarevich I./Manafov V. | 2:0 (6:1, 6:4) | details | 01.02.2024 |
| 1/8-finals | Harrison C./Willis M. | Klizan M./Mischker F. | 2:0 (6:3, 7:64) | details | 31.01.2024 |
| France: Quimper - Doubles - Main |
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| Quarter-finals | Harrison C./Willis M. | Libietis M./Niklas-Salminen P. | 0:2 (62:7, 62:7) | details | 26.01.2024 |
| 1/8-finals | Dougaz A./Poullain L. | Harrison C./Willis M. | WO. | details | 25.01.2024 |
| 1/8-finals | Doumbia S./Reboul F. | Harrison C./Willis M. | CAN. | details | 25.01.2024 |
| USA: Champaign - Doubles - Main |
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| 1/8-finals | Harrison C./Libietis M. | Rosenkranz M./Whiting T. | 1:2 (67:7, 6:4, 8:10) | details | 15.11.2023 |
| USA: Knoxville - Doubles - Main |
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| 1/8-finals | Harrison C./Libietis M. | Mitsui S./Pieczonka F. | 0:2 (4:6, 3:6) | details | 09.11.2023 |