 Portugal: W15 Almada - Doubles - Main |
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| 1/8-finals | Adrover Gallego I./Conde Monfort L. | Drummy G./Howard Z. | 0:2 (5:7, 4:6) | details | 13.07.2021 |
 Tunisia: W15 Monastir 25 - Doubles - Main |
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| Quarter-finals | Davis E./Lemaitre T. | Foretz S./Howard Z. | 2:1 (6:2, 5:7, 10:6) | details | 08.07.2021 |
| 1/8-finals | Foretz S./Howard Z. | Quiceno Ibarguen V./Stafford E. | 2:0 (7:5, 6:0) | details | 06.07.2021 |
 Lithuania: W15 Vilnius - Doubles - Main |
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| Quarter-finals | Howard Z./Rutlauka S. | Daujotaite I./Spaka P. | 0:2 (3:6, 4:6) | details | 09.06.2021 |
| 1/8-finals | Herdzelas D./Wagner A. | Howard Z./Rutlauka S. | 1:2 (6:4, 3:6, 13:15) | details | 08.06.2021 |
 Georgia: W15 Tbilisi - Doubles - Main |
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| Semi-finals | Howard Z./Osborne A. | Duerst J./Falkowska W. | 1:2 (6:4, 1:6, 6:10) | details | 21.05.2021 |
| Quarter-finals | Howard Z./Osborne A. | Kalimullina R./Morozova E. | 2:0 (6:4, 6:4) | details | 20.05.2021 |
| 1/8-finals | Howard Z./Osborne A. | Eristavi B./Meshcheryakova K. | 2:0 (6:4, 6:0) | details | 18.05.2021 |
 Israel: W15 Jerusalem - Doubles - Main |
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| 1/8-finals | Howard Z./Stoilkovska M. | Baszak W./Ryser V. | 0:2 (2:6, 3:6) | details | 11.05.2021 |
 France: W15 Le Havre - Doubles - Main |
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| Semi-finals | Cvetkovic T./Howard Z. | Jorge F./Rosatello C. | 0:2 (3:6, 2:6) | details | 26.03.2021 |
| Quarter-finals | Cvetkovic T./Howard Z. | Droguet A./Rouvroy M. | 2:0 (6:2, 6:4) | details | 25.03.2021 |
| 1/8-finals | Cvetkovic T./Howard Z. | Cirotte A./Girard E. | 2:1 (7:5, 2:6, 10:5) | details | 23.03.2021 |
| France: W15 Gonesse - Doubles - Main |
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| Final | Cvetkovic T./Howard Z. | Gabric A./Papadakis L. | 2:1 (65:7, 6:3, 10:5) | details | 19.03.2021 |
| Semi-finals | Cvetkovic T./Howard Z. | Jorge F./Wargnier L. | 2:0 (6:3, 6:2) | details | 18.03.2021 |
| Quarter-finals | Morderger T./Morderger Y. | Cvetkovic T./Howard Z. | 1:2 (7:5, 5:7, 6:10) | details | 17.03.2021 |
| 1/8-finals | Carrillo A./Partaud M. | Cvetkovic T./Howard Z. | 0:2 (4:6, 3:6) | details | 16.03.2021 |
| France: W15+H Amiens - Doubles - Main |
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| 1/8-finals | Howard Z./Sauvant C. | Belgraver J./Cascino E. | 1:2 (6:2, 1:6, 5:10) | details | 09.03.2021 |
| Tunisia: W15 Monastir 3 - Doubles - Main |
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| Quarter-finals | Hatouka Y./Kubareva A. | Bourbotte Z./Howard Z. | 2:0 (6:0, 6:3) | details | 24.09.2020 |
| 1/8-finals | Vernet C./Villet M. | Bourbotte Z./Howard Z. | 0:2 (4:6, 3:6) | details | 22.09.2020 |
Egypt: W15 Sharm El Sheikh 4 - Singles - Main
Greece: W15 Heraklion 7 - Singles - Main