Egypt: M15 Sharm ElSheikh 19 - Doubles - Main |
| 1/8-finals | Ruehl T./Wiskandt M. | Matvievici E./Nedelko I. | 2:0 (6:0, 6:0) | details | 05.12.2023 |
Turkey: M25 Bodrum - Doubles - Main |
| Quarter-finals | Chekhov A./Nedelko I. | Agafonov E./Marmousez L. | 1:2 (6:4, 3:6, 4:10) | details | 24.05.2023 |
| 1/8-finals | Chekhov A./Nedelko I. | Gulbezer B./Temel D. | 2:0 (6:1, 6:2) | details | 23.05.2023 |
Turkey: M15 Antalya 16 - Doubles - Main |
| Final | Agafonov E./Donski A. | Chekhov A./Nedelko I. | 1:2 (6:4, 4:6, 8:10) | details | 20.05.2023 |
| Semi-finals | Ambrogi L. E./Rodriguez L. J. | Chekhov A./Nedelko I. | WO. | details | 19.05.2023 |
| Quarter-finals | Chekhov A./Nedelko I. | Alcala Gurri M./Martinez Martinez J. | WO. | details | 18.05.2023 |
| 1/8-finals | Katuch J./Michalik R. | Chekhov A./Nedelko I. | 0:2 (4:6, 5:7) | details | 17.05.2023 |
Turkey: M15 Antalya 19 - Doubles - Main |
| 1/8-finals | Nedelko I./Ovchinnikov V. | Kiyamov T./Klok D. | 0:2 (2:6, 3:6) | details | 01.11.2022 |
Serbia: M15 Belgrade - Doubles - Main |
| 1/8-finals | Juhas K./Obradovic D. | Bielinskyi O./Nedelko I. | 2:1 (6:2, 1:6, 10:6) | details | 28.06.2022 |
Germany: M15 Kamen - Doubles - Main |
| 1/8-finals | Jermar J./Pecak S. | Nedelko I./Sabanin Y. | 2:1 (5:7, 6:3, 10:5) | details | 22.06.2022 |
Finland: M15 Vaasa - Doubles - Main |
| Quarter-finals | Bar Biryukov P./Noskin E. | Castelnuovo L./Nedelko I. | WO. | details | 02.06.2022 |
| 1/8-finals | Hietaranta R. M./Saatela L. | Castelnuovo L./Nedelko I. | 1:2 (4:6, 6:4, 9:11) | details | 31.05.2022 |
Finland: M15 Kouvola - Doubles - Main |
| Quarter-finals | Niklas-Salminen P./Sigsgaard C. | Nedelko I./Schiemann L. | 2:0 (6:2, 6:3) | details | 19.05.2022 |
| 1/8-finals | Biskop P. S./Perkkola V. | Nedelko I./Schiemann L. | 1:2 (3:6, 7:67, 2:10) | details | 17.05.2022 |
Sweden: M25 Kalmar - Doubles - Main |
| Quarter-finals | Nedelko I./Sabanin Y. | Oetzbach A./Schiavetti P. | WO. | details | 12.05.2022 |
| 1/8-finals | Nedelko I./Sabanin Y. | Backman J./Bergdahl A. | 2:0 (6:3, 7:64) | details | 11.05.2022 |