Serbia: M15 Kursumlijska Banja - Doubles - Main |
| 1/8-finals | Obradovic D./Radjenovic V. | Donev G./Ivanov S. A. | 2:1 (61:7, 7:60, 10:6) | details | 19.04.2024 |
Turkey: M15 Antalya 2 - Doubles - Main |
| Quarter-finals | Saritas G./Turker M. N. | Donev G./Ivanov S. A. | 2:0 (6:2, 6:1) | details | 18.01.2024 |
| 1/8-finals | Cazacu D. N./Snitari I. | Donev G./Ivanov S. A. | 0:2 (1:6, 3:6) | details | 17.01.2024 |
Turkey: M15 Antalya - Doubles - Main |
| 1/8-finals | Donev G./Ivanov S. A. | Dumitru A. C./Manda C. | 0:2 (0:6, 3:6) | details | 11.01.2024 |
Cyprus: M15 Limassol 2 - Doubles - Main |
| 1/8-finals | Donev G./Ivanov S. A. | Cuceu A./Ivanov M. | CAN. | details | 29.11.2023 |
Bulgaria: M25 Pazardzhik 2 - Doubles - Main |
| Final | Donev G./Ivanov S. A. | Dodig M./Vanshelboim E. | 2:0 (6:2, 6:1) | details | 07.10.2023 |
| Semi-finals | Babic Z./Donski A. | Donev G./Ivanov S. A. | 0:1 RET. (4:6, 3:2) | details | 06.10.2023 |
| Quarter-finals | Bueno Gil A./Genov A. | Donev G./Ivanov S. A. | 1:2 (6:2, 3:6, 8:10) | details | 05.10.2023 |
| 1/8-finals | Ivanov M./Kolyachev N. | Donev G./Ivanov S. A. | 0:2 (3:6, 0:6) | details | 04.10.2023 |
Bulgaria: M25 Pazardzhik - Doubles - Main |
| Semi-finals | Donev G./Ivanov S. A. | Kopp S./Oberleitner N. | 1:2 (5:7, 6:2, 7:10) | details | 29.09.2023 |
| Quarter-finals | Donev G./Ivanov S. A. | Shandarov R./Shandarov V. | 2:0 (6:2, 7:64) | details | 28.09.2023 |
| 1/8-finals | Donev G./Ivanov S. A. | Ivanov M./Milushev P. | 2:0 (6:1, 7:5) | details | 26.09.2023 |
Serbia: M15 Kursumlijska Banja 9 - Doubles - Main |
| Quarter-finals | Buitrago N./Donev G. | Katuch J./Michalik R. | 0:2 (2:6, 63:7) | details | 21.09.2023 |
| 1/8-finals | Buitrago N./Donev G. | Mihajlovic T./Popovic S. | 2:0 (6:2, 6:3) | details | 19.09.2023 |
Serbia: M15 Kursumlijska Banja 7 - Doubles - Main |
| Final | Gandolfi G./Misasi G. | Donev G./Ivanov S. A. | 0:2 (1:6, 2:6) | details | 02.09.2023 |
| Semi-finals | Obradovic D./Tadic V. | Donev G./Ivanov S. A. | 0:2 (5:7, 1:6) | details | 01.09.2023 |
| Quarter-finals | Furlanetto M./Vatteroni L. | Donev G./Ivanov S. A. | 0:2 (3:6, 0:6) | details | 31.08.2023 |
| 1/8-finals | Aleshchev A./Seleznev B. | Donev G./Ivanov S. A. | 0:2 (1:6, 3:6) | details | 30.08.2023 |
Romania: M15 Targu Jiu - Doubles - Main |
| Quarter-finals | Donev G./Ivanov S. A. | Dumitru A. C./Tomescu D. A. | 1:0 RET. (6:1, 2:4) | details | 17.08.2023 |
| 1/8-finals | Breazu V. C./Schinteie G. C. | Donev G./Ivanov S. A. | 0:2 (62:7, 2:6) | details | 16.08.2023 |
Romania: M25 Pitesti - Doubles - Main |
| 1/8-finals | Denolly C./Palosi S. | Donev G./Folliot Q. | 2:0 (6:4, 6:2) | details | 01.08.2023 |
Bulgaria: M15 Sofia - Doubles - Main |
| Semi-finals | Grevelius E./Heinonen A. | Donev G./Ivanov S. A. | 2:1 (6:4, 2:6, 11:9) | details | 08.07.2023 |
| Quarter-finals | Petrovic A./Pourroy L. | Donev G./Ivanov S. A. | 0:2 (5:7, 3:6) | details | 08.07.2023 |
| 1/8-finals | Dimitrov V./Kolyachev N. | Donev G./Ivanov S. A. | 0:2 (3:6, 5:7) | details | 04.07.2023 |
Serbia: M15 Kursumlijska Banja 5 - Doubles - Main |
| 1/8-finals | Vasilev D./Verbin P. | Donev G./Radulov I. | CAN. | details | 16.06.2023 |