 Tunisia: M15 Monastir 9 - Doubles - Main |
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| 1/8-finals | Lemstra K./Negritu Ch. | Telles L./Laurent Y. | 0:2 (0:6, 4:6) | details | 17.03.2021 |
| Tunisia: M15 Monastir 8 - Doubles - Main |
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| 1/8-finals | Battaglino S./Laurent Y. | Lemstra K./Negritu Ch. | 2:1 (65:7, 6:3, 10:7) | details | 09.03.2021 |
| Tunisia: M15 Monastir 7 - Doubles - Main |
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| 1/8-finals | Dougaz A./Echargui M. | Lemstra K./Negritu Ch. | 2:0 (7:5, 6:3) | details | 02.03.2021 |
 Slovakia: M15 Trnava - Doubles - Main |
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| Final | Rikl P./Satral J. | Lemstra K./Negritu Ch. | 2:0 (6:3, 6:4) | details | 29.02.2020 |
| Semi-finals | Grynkowski P./Matuszewski P. | Lemstra K./Negritu Ch. | 0:2 (5:7, 64:7) | details | 28.02.2020 |
| Quarter-finals | Ignatik U./Setkic A. | Lemstra K./Negritu Ch. | WO. | details | 27.02.2020 |
 Germany: M15 Oberhaching - Doubles - Main |
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| Final | Lemstra K./Negritu Ch. | Muscheites L./Seifert S. | 0:2 (3:6, 5:7) | details | 22.02.2020 |
| Semi-finals | Krstev O./Svrcina D. | Lemstra K./Negritu Ch. | 0:2 (5:7, 5:7) | details | 21.02.2020 |
| Quarter-finals | Lemstra K./Negritu Ch. | Frost L./Samuelsson C. | 2:0 (6:2, 6:2) | details | 20.02.2020 |
| 1/8-finals | Lemstra K./Negritu Ch. | Prechtel S./Weindl M. | 2:0 (6:0, 6:3) | details | 18.02.2020 |
