 Czech Republic: Prague - Doubles - Main |
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| 1/8-finals | Gomez F. A./Willis M. | Damm M./Jebavy R. | 1:2 (64:7, 6:2, 9:11) | details | 08.05.2024 |
 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 |
 Croatia: Zadar - Doubles - Main |
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| Quarter-finals | Duncan S./Willis M. | Guinard M./Jacq G. | 0:2 (63:7, 65:7) | details | 21.03.2024 |
| 1/8-finals | Duncan S./Willis M. | Michalski D./Vanshelboim E. | 2:1 (6:3, 3:6, 11:9) | details | 20.03.2024 |
 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 |
 Spain: Tenerife 2 - Doubles - Main |
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| 1/8-finals | Duncan S./Willis M. | De Jong J./Sabanov I. | 0:2 (4:6, 68:7) | details | 20.02.2024 |
 United Kingdom: Glasgow - Doubles - Main |
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| Final | Duncan S./Willis M. | Edmund K./Searle H. | 2:0 (6:3, 6:2) | details | 17.02.2024 |
| Semi-finals | Duncan S./Willis M. | Fancutt T. J./Reese H. | 2:1 (7:67, 65:7, 10:7) | details | 16.02.2024 |
| Quarter-finals | Duncan S./Willis M. | Ejupovic E./Guerrieri A. | 2:0 (6:0, 6:1) | details | 15.02.2024 |
| 1/8-finals | Duncan S./Willis M. | Poljak D./Wendelken H. | 2:0 (6:4, 6:2) | details | 13.02.2024 |
| United Kingdom: Nottingham 3 - Doubles - Main |
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| 1/8-finals | Nouza P./Rikl P. | Duncan S./Willis M. | 2:0 (6:3, 6:1) | 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 |
| United Kingdom: M25 Sunderland - Doubles - Main |
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| Final | Stevenson D./Willis M. | Added D./Chidekh C. | 2:1 (4:6, 7:66, 10:8) | details | 20.01.2024 |
| Semi-finals | Houghton G./Stewart H. | Stevenson D./Willis M. | 0:2 (3:6, 2:6) | details | 19.01.2024 |
| Quarter-finals | Stevenson D./Willis M. | Bass F./Wendelken H. | 2:0 (6:3, 7:5) | details | 18.01.2024 |
| 1/8-finals | Stevenson D./Willis M. | Tabacco F./Tabacco G. | 2:0 (6:3, 6:4) | details | 17.01.2024 |
 Portugal: Oeiras 2 - Doubles - Main |
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| Final | Drzewiecki K./Matuszewski P. | Kadhe A./Willis M. | 2:0 (6:3, 6:4) | details | 13.01.2024 |
| Semi-finals | Kadhe A./Willis M. | Bergevi F./Veldheer M. | 2:1 (6:2, 3:6, 13:11) | details | 12.01.2024 |
| Quarter-finals | Falcao G./Romboli F. | Kadhe A./Willis M. | WO. | details | 11.01.2024 |
| 1/8-finals | Pereira T./Rocha F. | Kadhe A./Willis M. | 0:2 (1:6, 4:6) | details | 10.01.2024 |
| Portugal: Oeiras - Doubles - Main |
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| Final | Arribage T./Geerts M. | Clarke J./Willis M. | 1:2 (4:6, 7:69, 3:10) | details | 06.01.2024 |
| Semi-finals | Clarke J./Willis M. | Andreev A./Vrbensky M. | 2:1 (6:3, 66:7, 10:2) | details | 05.01.2024 |
| Quarter-finals | Ingildsen J./Kingsley C. | Clarke J./Willis M. | 0:2 (3:6, 65:7) | details | 04.01.2024 |
| 1/8-finals | De Schepper K./Romboli F. | Clarke J./Willis M. | 0:2 (5:7, 4:6) | details | 03.01.2024 |
| Spain: Maspalomas - Doubles - Main |
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| Final | Arribage T./Doumbia S. | Duncan S./Willis M. | 0:2 (65:7, 4:6) | details | 02.12.2023 |
| Semi-finals | Duncan S./Willis M. | Nedunchezhiyan J./Prashanth V. | 2:1 (6:2, 62:7, 11:9) | details | 02.12.2023 |
| Quarter-finals | Kalovelonis M./Stevenson K. | Duncan S./Willis M. | 0:2 (3:6, 4:6) | details | 30.11.2023 |
| 1/8-finals | Jorda Sanchis D./Sanchez Izquierdo N. | Duncan S./Willis M. | 1:2 (6:2, 2:6, 7:10) | details | 29.11.2023 |
| USA: Champaign - Doubles - Main |
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| Quarter-finals | Whitehouse M./Willis M. | Goldhoff G./Perez A. | 0:2 (3:6, 4:6) | details | 16.11.2023 |
| 1/8-finals | Kirchheimer S./Smith K. | Whitehouse M./Willis M. | 0:2 (5:7, 3:6) | details | 15.11.2023 |
| USA: Knoxville - Doubles - Main |
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| Quarter-finals | Karlovskiy E./Serdarusic N. | Sandgren T./Willis M. | 2:0 (6:4, 6:4) | details | 09.11.2023 |