 United Kingdom: W35 Nottingham - Doubles - Main |
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| Quarter-finals | Daley D./Neilson-Gatenby T. | Failla J./Sieg M. | 0:2 (3:6, 3:6) | details | 25.04.2024 |
| 1/8-finals | Belgraver J./Stresnakova K. | Failla J./Sieg M. | 1:2 (4:6, 6:2, 7:10) | details | 23.04.2024 |
 Brazil: W75 Florianópolis - Doubles - Main |
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| Quarter-finals | Gavrila O./Strakhova V. | Daniel J./Sieg M. | 2:0 (6:2, 6:4) | details | 03.04.2024 |
| 1/8-finals | Candiotto A./Tona M. | Daniel J./Sieg M. | 0:2 (3:6, 2:6) | details | 02.04.2024 |
| Brazil: W50 Sao Paulo - Doubles - Main |
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| Quarter-finals | Bains N./Mateas M. | Daniel J./Sieg M. | CAN. | details | 31.03.2024 |
| 1/8-finals | Dias S./Kurata N. | Daniel J./Sieg M. | 0:2 (1:6, 0:6) | details | 26.03.2024 |
 USA: W75 Rome, GA - Doubles - Main |
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| 1/8-finals | Montgomery R./Ngounoue C. | Markham A./Sieg M. | 2:0 (7:5, 6:2) | details | 31.01.2024 |
| USA: W35 Naples, FL 2 - Doubles - Main |
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| 1/8-finals | Reami A./Sieg M. | Osuigwe V./Osuigwe W. | 0:2 (5:7, 4:6) | details | 16.01.2024 |
 Canada: W60+H Calgary - Doubles - Main |
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| 1/8-finals | Corley C./Corley I. | Hovde L./Sieg M. | 2:1 (66:7, 6:1, 10:5) | details | 08.11.2023 |
| USA: W60 Rancho Santa Fe, CA - Doubles - Main |
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| Final | Prozorova T./Sieg M. | Jones M./Starodubtseva Y. | 1:2 (3:6, 6:4, 6:10) | details | 15.10.2023 |
| Semi-finals | Aney J./Kozyreva M. | Prozorova T./Sieg M. | 1:2 (7:65, 1:6, 9:11) | details | 14.10.2023 |
| Quarter-finals | Krywoj M. S./Riera J. | Prozorova T./Sieg M. | 0:2 (1:6, 3:6) | details | 12.10.2023 |
| 1/8-finals | Prozorova T./Sieg M. | Cayetano E./Kabbaj Y. | WO. | details | 12.10.2023 |
 Portugal: W25 Santarem - Doubles - Main |
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| Final | Kolb M./Kolb N. | Hewitt D./Sieg M. | 1:2 (4:6, 6:2, 10:12) | details | 30.09.2023 |
| Semi-finals | Hewitt D./Sieg M. | Boskovic L./Guerrero Alvarez E. | WO. | details | 29.09.2023 |
| Quarter-finals | Charaeva A./Glushko L. | Hewitt D./Sieg M. | 0:2 (64:7, 2:6) | details | 28.09.2023 |
| 1/8-finals | Hewitt D./Sieg M. | Muntean V./Palicova B. | 2:0 (6:2, 7:5) | details | 26.09.2023 |
 Spain: W25 Ceuta - Doubles - Main |
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| Final | Cavalle-Reimers Y./Fita Boluda A. | Kozarov K./Sieg M. | 2:0 (7:60, 6:3) | details | 23.09.2023 |
| Semi-finals | Kozarov K./Sieg M. | Meliss V./Muntean V. | 2:1 (4:6, 6:4, 10:3) | details | 22.09.2023 |
Dominican Republic: W35 Santo Domingo - Singles - Main