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 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 |
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 |
Bulgaria: M15 Pazardzhik 2 - Doubles - Main |
| Quarter-finals | Jarc R./Khorozov M. | Donev G./Ivanov S. A. | 2:1 (7:66, 0:6, 10:5) | details | 24.05.2023 |
| 1/8-finals | Dimitrov V./Radulov I. | Donev G./Ivanov S. A. | 0:2 (5:7, 65:7) | details | 23.05.2023 |
Bulgaria: M15 Pazardzhik - Doubles - Main |
| Semi-finals | Rossi L./Sorrentino L. | Donev G./Ivanov S. A. | 2:1 (3:6, 6:1, 10:8) | details | 19.05.2023 |
| Quarter-finals | Marinescu M. R./Popeanga D. P. | Donev G./Ivanov S. A. | 0:2 (0:6, 2:6) | details | 18.05.2023 |
| 1/8-finals | Markov V./Terziev S. | Donev G./Ivanov S. A. | 0:1 RET. (3:6, 1:3) | details | 16.05.2023 |
Cyprus: M15 Alaminos-Larnaca - Doubles - Main |
| Quarter-finals | Donev G./Ivanov S. A. | Christodoulou S./Kyratzis S. | 1:2 (6:4, 4:6, 9:11) | details | 27.04.2023 |
| 1/8-finals | Donev G./Ivanov S. A. | Bouzige M./Bradshaw J. | 2:1 (7:5, 4:6, 10:7) | details | 25.04.2023 |
Turkey: M15 Antalya 12 - Doubles - Main |
| 1/8-finals | Donev G./Ivanov S. A. | Huber D./Kahoun J. | 0:2 (3:6, 1:6) | details | 18.04.2023 |
Turkey: M15 Antalya 6 - Doubles - Main |
| 1/8-finals | De Vincentis M./Gimenez I. | Donev G./Ivanov S. A. | 2:1 (3:6, 6:4, 15:13) | details | 07.03.2023 |
Tunisia: M15 Monastir 3 - Doubles - Main |
| 1/8-finals | Donev G./Ivanov S. A. | Rogers A./Wiedenmann L. | 0:2 (5:7, 3:6) | details | 18.01.2023 |
Bulgaria: M15 Sozopol 3 - Doubles - Main |
| 1/8-finals | Andreescu S. A./Marinescu M. R. | Donev G./Ivanov S. A. | 2:1 (2:6, 6:2, 10:8) | details | 18.10.2022 |
Bulgaria: M15 Sozopol 2 - Doubles - Main |
| Quarter-finals | Altuna T./Pieczkowski O. | Donev G./Ivanov S. A. | 2:1 (2:6, 6:4, 10:8) | details | 13.10.2022 |
| 1/8-finals | De Rueda De Genover I./Markovski O. | Donev G./Ivanov S. A. | 1:2 (7:63, 4:6, 4:10) | details | 12.10.2022 |
Bulgaria: M15 Sozopol - Doubles - Main |
| Semi-finals | Donev G./Ivanov S. A. | Milev Y./Nesterov P. | 1:2 (6:3, 4:6, 9:11) | details | 07.10.2022 |
| Quarter-finals | Moghini G./Schiavetti P. | Donev G./Ivanov S. A. | 0:2 (5:7, 3:6) | details | 06.10.2022 |
| 1/8-finals | Cengiz B./Ilkel B. | Donev G./Ivanov S. A. | 1:2 (6:4, 3:6, 8:10) | details | 04.10.2022 |
Serbia: M15 Novi Sad 2 - Doubles - Main |
| Quarter-finals | Donev G./Ivanov S. A. | Falabella L. A./Roncadelli F. | 0:2 (4:6, 63:7) | details | 04.08.2022 |
| 1/8-finals | Donev G./Ivanov S. A. | Juhas K./Obradovic D. | 2:0 (6:3, 6:2) | details | 02.08.2022 |
Bulgaria: M15 Sofia - Doubles - Main |
| Final | Galarza J. I./Lipovsek Puches T. | Donev G./Ivanov S. A. | 1:2 (6:3, 5:7, 9:11) | details | 09.07.2022 |
| Semi-finals | Ilkel B./Ozdemir S. M. | Donev G./Ivanov S. A. | 1:2 (3:6, 6:3, 3:10) | details | 08.07.2022 |
Montenegro: M15 Budva - Doubles - Main |
| Final | Donev G./Ivanov S. A. | Beaupain S./Cloes L. | 1:2 (4:6, 7:63, 3:10) | details | 04.06.2022 |
| Semi-finals | Donev G./Ivanov S. A. | Martinez L./Wenger D. | 2:0 (6:1, 7:5) | details | 03.06.2022 |
| Quarter-finals | Donev G./Ivanov S. A. | Milicevic S./Vojinovic L. | 2:0 (6:1, 6:2) | details | 02.06.2022 |
| 1/8-finals | Oberleitner N./Palosi S. | Donev G./Ivanov S. A. | 1:2 (6:4, 67:7, 3:10) | details | 01.06.2022 |
Greece: M15 Heraklion - Doubles - Main |
| Final | Addison A./Stevenson K. | Donev G./Ivanov S. A. | 2:0 (7:63, 7:64) | details | 14.05.2022 |
| Semi-finals | Donev G./Ivanov S. A. | Hazawa S./Markes C. | 2:0 (6:3, 6:3) | details | 13.05.2022 |
| Quarter-finals | Donev G./Ivanov S. A. | Lajal M./Sabaliauskas A. | 2:1 (7:62, 62:7, 10:5) | details | 12.05.2022 |