Ireland: M15 Dublin - Doubles - Main |
| 1/8-finals | Bozemoj B./De Jonge D. | Kountourakis I./Tsitsipas Pa. | 2:0 (6:1, 6:1) | dettagli | 29.07.2025 |
South Africa: M15 Hillcrest 2 - Doubles - Main |
| 1/8-finals | Vishal Balsekar A./Kountourakis I. | Eqbal I./Longwe-Smit T. | 1:2 (1:6, 6:2, 1:10) | dettagli | 16.07.2025 |
South Africa: M15 Hillcrest - Doubles - Main |
| Quarter-finals | Bhat A. P./Kountourakis I. | Beaven J./Van Der Merwe M. | 1:2 (7:66, 2:6, 5:10) | dettagli | 10.07.2025 |
| 1/8-finals | Bhat A. P./Kountourakis I. | Caripi V./Volpi G. | 2:0 (6:4, 6:2) | dettagli | 08.07.2025 |
Serbia: M15 Kursumlijska Banja 6 - Doubles - Main |
| 1/8-finals | Kountourakis I./Mishkin K. | Klok D./Simundza J. | 0:2 (4:6, 2:6) | dettagli | 10.06.2025 |
Greece: M15 Heraklion 3 - Doubles - Main |
| 1/8-finals | Antonopoulos C./Kountourakis I. | Kypriotis E./Sakellaridis S. | 0:2 (5:7, 69:7) | dettagli | 01.04.2025 |
Greece: M15 Heraklion 2 - Doubles - Main |
| 1/8-finals | Kountourakis I./Tsitsipas Pa. | Jones A./Jones M. | 0:2 (1:6, 4:6) | dettagli | 25.03.2025 |
Greece: M15 Heraklion - Doubles - Main |
| Quarter-finals | Kielan S./Latinovic S. | Antonopoulos C./Kountourakis I. | 2:0 (7:64, 6:2) | dettagli | 20.03.2025 |
| 1/8-finals | Antonopoulos C./Kountourakis I. | Chatziavraam N./Lafazanos A. | 2:0 (6:2, 6:2) | dettagli | 18.03.2025 |
Greece: Hersonissos 2 - Doubles - Main |
| 1/8-finals | Kirkin E./Molleker R. | Kountourakis I./Schinas S. | 2:0 (6:2, 6:4) | dettagli | 10.03.2025 |
Egypt: M15 Sharm ElSheikh 4 - Doubles - Main |
| 1/8-finals | Kountourakis I./Moroni F. | Jans J./Tamm K. | 0:2 (3:6, 3:6) | dettagli | 18.02.2025 |
Egypt: M15 Sharm ElSheikh 2 - Doubles - Main |
| 1/8-finals | Arutiunian E./Ostapenkov D. | Kountourakis I./Purtseladze S. | CAN. | dettagli | 04.02.2025 |
Greece: M25 Heraklion - Doubles - Main |
| 1/8-finals | Balshaw F./Kountourakis I. | Grevelius E./Heinonen A. | 0:2 (4:6, 4:6) | dettagli | 22.10.2024 |
Egypt: M15 Sharm ElSheikh 11 - Doubles - Main |
| Quarter-finals | Ivanov S./Kountourakis I. | Bassem Sobhy M./Zakaria F. | 0:2 (4:6, 2:6) | dettagli | 26.09.2024 |
| 1/8-finals | Ivanov S./Kountourakis I. | Blazka D./Gengel M. | 2:0 (7:5, 7:5) | dettagli | 24.09.2024 |
Egypt: M15 Sharm ElSheikh 10 - Doubles - Main |
| 1/8-finals | Angeloni L./Kountourakis I. | El Sallaly A./Ianin N. | 0:2 (3:6, 4:6) | dettagli | 17.09.2024 |
Serbia: M15 Pirot - Doubles - Main |
| Quarter-finals | Kountourakis I./Obradovic D. | Lalami Laaroussi Y./Latinovic S. | 0:2 (1:6, 4:6) | dettagli | 22.08.2024 |
| 1/8-finals | Krapivin M./Stanisavljevic M. | Kountourakis I./Obradovic D. | 1:2 (6:3, 3:6, 9:11) | dettagli | 21.08.2024 |
Serbia: M15 Kursumlijska Banja 13 - Doubles - Main |
| 1/8-finals | Saritas G./Turker M. N. | Kountourakis I./Schifris J. | 2:1 (7:65, 3:6, 10:7) | dettagli | 31.07.2024 |
Serbia: M15 Kursumlijska Banja 12 - Doubles - Main |
| Semi-finals | Aboian L./Falabella L. A. | Kountourakis I./Petrovic D. | 2:0 (6:3, 6:3) | dettagli | 26.07.2024 |
| Quarter-finals | Kountourakis I./Petrovic D. | Saritas G./Turker M. N. | 2:1 (6:4, 5:7, 10:7) | dettagli | 25.07.2024 |
| 1/8-finals | Gomez G./Novakovic N. | Kountourakis I./Petrovic D. | 0:2 (1:6, 65:7) | dettagli | 24.07.2024 |
Turkey: M15 Antalya 5 - Doubles - Main |
| 1/8-finals | Lee K./Wang K. | Fumagalli F./Kountourakis I. | 2:0 (6:1, 7:63) | dettagli | 05.03.2024 |