Tunisia: M25 Hammamet 7 - Doubles - Main |
| 1/8-finals | Lobanov A./Ouakaa A. | Barroso Campos A./Nikles J. | 2:0 (7:61, 6:2) | details | 17.04.2024 |
Tunisia: M25 Hammamet 6 - Doubles - Main |
| Semi-finals | Collignon R./Kym J. | De Krom M./Nikles J. | 2:1 (3:6, 6:3, 11:9) | details | 12.04.2024 |
| Quarter-finals | De Krom M./Nikles J. | Clarke J./Kopp S. | WO. | details | 11.04.2024 |
| 1/8-finals | Bittoun C./Ovcharenko O. | De Krom M./Nikles J. | 0:2 (64:7, 5:7) | details | 09.04.2024 |
Croatia: M15 Rovinj - Doubles - Main |
| 1/8-finals | Nikles J./Perez Contri S. | D'Agostino S./Plunger M. | 0:2 (4:6, 68:7) | details | 13.03.2024 |
Tunisia: M15 Monastir 2 - Doubles - Main |
| Semi-finals | Kuhn N./Perez Sanz D. | Nikles J./Salle F. | 2:1 (7:5, 68:7, 11:9) | details | 13.01.2024 |
| Quarter-finals | Gregg P./Snezhko N. | Nikles J./Salle F. | 1:2 (6:4, 5:7, 5:10) | details | 11.01.2024 |
| 1/8-finals | Nikles J./Salle F. | Lobanov A./Sakellaridis D. | 2:1 (4:6, 6:2, 10:8) | details | 09.01.2024 |
Turkey: M15 Antalya 5 - Doubles - Main |
| Quarter-finals | Nikles J./Vanshelboim E. | Aksu C./Saritas G. | WO. | details | 02.03.2023 |
| 1/8-finals | Nikles J./Vanshelboim E. | Arinc K./White J. | 2:0 (6:3, 6:3) | details | 28.02.2023 |
Turkey: M15 Antalya 4 - Doubles - Main |
| Semi-finals | Nikles J./Vanshelboim E. | Altuna T./Reymond A. | 0:2 (4:6, 4:6) | details | 24.02.2023 |
| Quarter-finals | Nikles J./Vanshelboim E. | Donev G./Radulov I. | 2:1 (6:1, 4:6, 10:4) | details | 23.02.2023 |
| 1/8-finals | Nikles J./Vanshelboim E. | Gentzsch T./Lobanov A. | 2:0 (6:3, 6:3) | details | 21.02.2023 |
Romania: Sibiu - Doubles - Main |
| Quarter-finals | Margaroli L./Ramanathan R. | Kravchenko G./Nikles J. | 2:1 (6:1, 4:6, 10:7) | details | 23.09.2022 |
| 1/8-finals | Harris B./Stevenson K. | Kravchenko G./Nikles J. | 0:2 (2:6, 3:6) | details | 21.09.2022 |
Poland: Szczecin - Doubles - Main |
| Quarter-finals | Guinard M./Nikles J. | Jebavy R./Pavlasek A. | 0:2 (3:6, 1:6) | details | 15.09.2022 |
| 1/8-finals | Cobolli F./Moroni M. | Guinard M./Nikles J. | 1:2 (5:7, 6:3, 7:10) | details | 14.09.2022 |
Netherlands: Amersfoort - Doubles - Main |
| 1/8-finals | Bhambri Y./Myneni S. | Barranco Cosano J./Nikles J. | 2:0 (7:66, 7:5) | details | 13.07.2022 |
France: Troyes - Doubles - Main |
| 1/8-finals | Brancaccio R./Nikles J. | Arribage T./Sanchez L. | 1:2 (1:6, 6:3, 7:10) | details | 29.06.2022 |