 Greece: M15 Heraklion 4 - Doubles - Main |
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| 1/8-finals | Campbell N./Loizas A. | Andre S./Jadoun N. | 0:2 (3:6, 3:6) | details | 26.03.2024 |
 Cyprus: M15 Alaminos-Larnaca 2 - Doubles - Main |
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| 1/8-finals | Campbell N./Molder M. | Baldisserri E./Suresh D. | 1:2 (7:5, 2:6, 5:10) | details | 20.03.2024 |
| Cyprus: M15 Alaminos-Larnaca - Doubles - Main |
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| 1/8-finals | Ducariu D./Tomescu D. A. | Campbell N./Molder M. | 2:1 (4:6, 6:3, 10:4) | details | 13.03.2024 |
| Greece: M15 Heraklion - Doubles - Main |
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| 1/8-finals | Campbell N./Chatziavraam N. | Lanik T./Puskar S. | 1:2 (6:2, 1:6, 7:10) | details | 07.03.2024 |
| Cyprus: M15 Limassol 2 - Doubles - Main |
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| 1/8-finals | Bladelius H./Trinker J. | Campbell N./Koshis C. | 2:0 (6:3, 6:2) | details | 29.11.2023 |
| Cyprus: M15 Limassol - Doubles - Main |
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| 1/8-finals | Campbell N./Koshis C. | Efstathiou M./Neos E. | 0:2 (3:6, 3:6) | details | 22.11.2023 |
 Germany: M15 Trier - Doubles - Main |
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| 1/8-finals | Cubelic K./Opitz J. | Antonio J./Campbell N. | 2:0 (6:3, 6:2) | details | 22.08.2023 |
 World: Davis Cup - Group III - Doubles - Main |
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| | Campbell N./Neos E. | Cervos Noguer E./Jauregui G. | 2:0 (6:2, 6:3) | details | 04.04.2018 |