 Canada: Calgary - Doubles - Main |
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| 1/8-finals | Baadi T./Muamba N. | Barrett H./Pannu K. | 2:1 (6:3, 65:7, 10:6) | details | 16.10.2024 |
| Canada: M25 Edmonton - Doubles - Main |
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| 1/8-finals | Barrett H./Ciocanu A. | Lieberman H./Vasser O. | 0:2 (2:6, 3:6) | details | 09.10.2024 |
 USA: M15 Ann Arbor, MI - Doubles - Main |
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| 1/8-finals | Barrett H./Corwin F. | Kittay B./Young G. | 0:2 (4:6, 1:6) | details | 02.10.2024 |
 Italy: M25 Pozzuoli - Doubles - Main |
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| Final | Barrett H./Peliwo F. | Reitano S./Wessels L. | 0:2 (2:6, 1:6) | details | 14.09.2024 |
| Semi-finals | Catini N./Perfetti N. | Barrett H./Peliwo F. | 1:2 (4:6, 6:3, 8:10) | details | 14.09.2024 |
| Quarter-finals | Colombo A./Pizzigoni M. | Barrett H./Peliwo F. | 0:1 RET. (3:6, 0:0) | details | 12.09.2024 |
| 1/8-finals | Calvano G./De Giorgio P. | Barrett H./Peliwo F. | 1:2 (7:5, 62:7, 5:10) | details | 10.09.2024 |
 France: M25+H Bagneres-de-Bigorre - Doubles - Main |
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| 1/8-finals | Hignett L./Horve L. | Barrett H./Battistone B. | 2:0 (6:2, 6:4) | details | 04.09.2024 |
 Switzerland: M25 Sion - Doubles - Main |
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| 1/8-finals | Caripi V./Gerch L. | Barrett H./Overmyer K. | 2:0 (6:2, 6:3) | details | 27.08.2024 |
| USA: M15 Huntsville, AL - Doubles - Main |
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| 1/8-finals | Barrett H./Battistone B. | McCormick T./Zink T. | 0:2 (4:6, 4:6) | details | 15.08.2024 |
| USA: M25 Southaven, MS - Doubles - Main |
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| 1/8-finals | Chopra K./Martin A. | Barrett H./Ribeiro Lago E. | 2:0 (6:1, 6:3) | details | 07.08.2024 |
| USA: M15 Rochester, NY - Doubles - Main |
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| 1/8-finals | George B. T./Tudorica A. N. | Barrett H./Battistone B. | 2:0 (6:3, 6:1) | details | 17.07.2024 |
 Dominican Republic: M25 Santo Domingo - Doubles - Main |
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| 1/8-finals | Bertran P./Maginley J. | Barrett H./Pannu K. | 1:0 RET. (6:4, 0:0) | details | 06.03.2024 |
| USA: M25 Naples, FL - Doubles - Main |
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| 1/8-finals | Barrett H./Battistone B. | Corwin F./Maginley J. | 0:2 (3:6, 4:6) | details | 20.02.2024 |
| USA: M15 Palm Coast, FL - Doubles - Main |
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| 1/8-finals | Stakusic M./Vasser O. | Barrett H./Pannu K. | 2:1 (69:7, 6:2, 10:6) | details | 13.02.2024 |
| USA: Cleveland - Doubles - Main |
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| 1/8-finals | Goldhoff G./Trotter J. K. | Barrett H./Battistone B. | 2:1 (6:3, 64:7, 10:6) | details | 31.01.2024 |
| USA: M25 Ithaca, NY - Doubles - Main |
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| 1/8-finals | Martin D./Muamba N. | Barrett H./You J. | 2:0 (6:3, 6:2) | details | 16.01.2024 |
 Spain: M15 Madrid 3 - Doubles - Main |
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| Quarter-finals | Barrett H./Markes C. | Avendano Cadena M./Llorens Saracho L. | 0:2 (3:6, 0:6) | details | 06.12.2023 |
| 1/8-finals | Barrett H./Markes C. | Alcala Gurri M./Sanchez Quilez A. | 2:0 (6:3, 7:66) | details | 05.12.2023 |
| Spain: M15 Madrid 2 - Doubles - Main |
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| 1/8-finals | Bueno Gil A./Villacorta-Alonso R. | Barrett H./Markes C. | 2:0 (6:4, 6:4) | details | 28.11.2023 |
| Dominican Republic: M15 Santo Domingo 3 - Doubles - Main |
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| 1/8-finals | Barrett H./Osorio J. S. | Hoyos Franco A./Rengifo F. | 0:2 (4:6, 3:6) | details | 14.11.2023 |
| Dominican Republic: M15 Santo Domingo 2 - Doubles - Main |
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| 1/8-finals | Mena F./Rodriguez R. | Barrett H./Osorio J. S. | CAN. | details | 12.11.2023 |
| Canada: M25 Edmonton - Doubles - Main |
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| Quarter-finals | Barrett H./Markes C. | Aguilar J. C. M./Baadi T. | 0:2 (2:6, 2:6) | details | 02.11.2023 |
| 1/8-finals | Draxl L./Sorbo J. | Barrett H./Markes C. | 1:2 (6:3, 3:6, 8:10) | details | 31.10.2023 |
| Canada: M25 Saint-Augustin - Doubles - Main |
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| 1/8-finals | Barrett H./Pannu K. | Chidekh C./Wallart E. | 0:2 (3:6, 0:6) | details | 24.10.2023 |
| USA: M15 Ithaca, NY 2 - Doubles - Main |
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| 1/8-finals | Barrett H./Saye D. | Davis J./Hudd E. | 0:2 (3:6, 1:6) | details | 04.10.2023 |
 Sweden: M25 Falun - Doubles - Main |
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| 1/8-finals | Istomin D./Karlovskiy E. | Barrett H./Renard L. | 2:0 (7:5, 6:1) | details | 26.09.2023 |
| Spain: M25 Madrid - Doubles - Main |
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| 1/8-finals | Alvarado P./Barrett H. | Benito Fernandez N./Callejon H. S. | 1:2 (6:0, 62:7, 7:10) | details | 12.09.2023 |
| France: M25+H Bagneres-de-Bigorre - Doubles - Main |
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| 1/8-finals | Chidekh C./Lumsden E. | Alvarado P./Barrett H. | 2:0 (6:2, 6:2) | details | 05.09.2023 |
| Spain: M25 Oviedo - Doubles - Main |
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| Semi-finals | Barrett H./Battistone B. | Vance J./Whiting T. | 0:2 (3:6, 2:6) | details | 01.09.2023 |
| Quarter-finals | Carballal Figaredo D./Meana Ojanguren N. | Barrett H./Battistone B. | 0:2 (4:6, 3:6) | details | 31.08.2023 |
| 1/8-finals | Callejon H. S./Revelli G. | Barrett H./Battistone B. | 1:2 (66:7, 6:1, 4:10) | details | 31.08.2023 |
| Italy: M25 Lesa - Doubles - Main |
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| 1/8-finals | Andaloro F./Pennaforti G. | Barrett H./Battistone B. | 2:0 (6:2, 6:1) | details | 22.08.2023 |
| Sweden: M25 Ystad - Doubles - Main |
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| 1/8-finals | Barrett H./Renard L. | Schlagenhauf N./Stroemberg I. | 0:2 (1:6, 5:7) | details | 15.08.2023 |
| USA: M15 Pittsburgh, PA - Doubles - Main |
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| 1/8-finals | Aguilar J. C. M./Monzon I. | Barrett H./Ogura K. | 2:0 (6:2, 7:66) | details | 26.07.2023 |
| USA: M15 Rochester, NY - Doubles - Main |
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| 1/8-finals | Barrett H./Ogura K. | Lagaev N./Maloney P. | 0:2 (2:6, 2:6) | details | 20.07.2023 |
| Canada: M25 Laval - Doubles - Main |
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| 1/8-finals | McCormick T./Tracy J. | Barrett H./Liokossis S. | 2:0 (6:1, 6:0) | details | 12.07.2023 |
| Dominican Republic: M25 Santo Domingo 3 - Doubles - Main |
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| Quarter-finals | Barrett H./Ribeiro Lago E. | Nunez D. A./Perez B. | 0:2 (4:6, 64:7) | details | 29.06.2023 |
| 1/8-finals | Reyna R./Reyna R. | Barrett H./Ribeiro Lago E. | 0:2 (1:6, 4:6) | details | 27.06.2023 |
 Mexico: M15 Tabasco - Doubles - Main |
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| 1/8-finals | Barrett H./Farren C. | Aguilar J. C. M./Panta J. | 0:2 (0:6, 4:6) | details | 24.05.2023 |
 Trinidad and Tobago: M15 Tacarigua - Doubles - Main |
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| 1/8-finals | Bulus C./Vithoontien L. | Barrett H./Flores J. | 2:0 (6:2, 6:1) | details | 20.04.2023 |
| Canada: M25 Montreal - Doubles - Main |
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| 1/8-finals | Barrett H./Thompkins J. | Jones B./Whitehouse M. | 0:2 (3:6, 2:6) | details | 09.03.2023 |
| USA: M15 Edmond, OK - Doubles - Main |
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| 1/8-finals | Barrett H./Renard L. | Kiger M./Sigouin B. | 0:2 (3:6, 4:6) | details | 25.01.2023 |
| USA: M15 Ithaca, NY - Doubles - Main |
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| 1/8-finals | Kim A./Zheng M. | Barrett H./Markes C. | 2:0 (6:1, 6:4) | details | 19.01.2023 |
| USA: M25 Malibu, CA - Doubles - Main |
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| 1/8-finals | Barrett H./Chirala S. R. | Vasa E./Vasa I. | CAN. | details | 06.01.2023 |
| Dominican Republic: M15 Santo Domingo 2 - Doubles - Main |
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| 1/8-finals | Hilderbrand T./Schachter N. | Barrett H./Duarte A. | 2:0 (7:5, 6:2) | details | 29.11.2022 |
| Dominican Republic: M15 Santo Domingo - Doubles - Main |
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| Quarter-finals | Bertran P./Sheehy J. | Barrett H./Duarte A. | 2:0 (6:4, 7:5) | details | 25.11.2022 |
| 1/8-finals | Barrett H./Duarte A. | Baquero D./Munoz E. | 2:0 (7:63, 6:1) | details | 22.11.2022 |
| USA: M15 East Lansing, MI - Doubles - Main |
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| 1/8-finals | Jones B./Knaff A. | Barrett H./Markes C. | 2:0 (7:5, 6:2) | details | 16.11.2022 |
| USA: M15 Fayetteville, AR 2 - Doubles - Main |
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| 1/8-finals | Azoides D./Pawlak P. | Barrett H./Wood W. | 2:0 (6:1, 6:2) | details | 01.11.2022 |