 Greece: M15 Heraklion 2 - Doubles - Main |
|---|
| 1/8-finals | Azoidis D./Kountourakis I. | Almazan Valiente I./Angelini L. | 0:2 (1:6, 5:7) | details | 10.03.2026 |
| Greece: M15 Heraklion - Doubles - Main |
|---|
| 1/8-finals | Kountourakis I./Salazar D. | Paardekooper S./Van Sambeek F. | 0:2 (3:6, 3:6) | details | 03.03.2026 |
 Morocco: M25 Marrakech - Doubles - Main |
|---|
| 1/8-finals | Sanchez Quilez A./Valle F. | Klok D./Kountourakis I. | 2:1 (5:7, 6:2, 10:5) | details | 30.12.2025 |
| Morocco: M15 Agadir - Doubles - Main |
|---|
| Semi-finals | Kountourakis I./Perfetti N. | Bennani K./Lalami Laaroussi Y. | 0:2 (2:6, 3:6) | details | 26.12.2025 |
| Quarter-finals | Petrov P./Quesada Perez T. | Kountourakis I./Perfetti N. | WO. | details | 26.12.2025 |
| 1/8-finals | Di Vita R./Mellerio G. | Kountourakis I./Perfetti N. | 1:2 (2:6, 6:4, 4:10) | details | 23.12.2025 |
 Tunisia: M15 Monastir 46 - Doubles - Main |
|---|
| Quarter-finals | Pascual Ferra R./Virgili Berini F. | Kountourakis I./Sakellaridis D. | 2:1 (5:7, 7:5, 11:9) | details | 18.12.2025 |
| 1/8-finals | Koffi M./Kouame M. Y. H. | Kountourakis I./Sakellaridis D. | 1:2 (0:6, 7:5, 5:10) | details | 16.12.2025 |
| Tunisia: M15 Monastir 45 - Doubles - Main |
|---|
| 1/8-finals | Hamza Reguig S./Ouakaa A. | Kountourakis I./Sakellaridis D. | 2:1 (3:6, 6:2, 10:6) | details | 10.12.2025 |
| Greece: M15 Heraklion 10 - Doubles - Main |
|---|
| Quarter-finals | Dumitru A. C./Marinescu M. R. | Holban V./Kountourakis I. | 2:1 (6:2, 4:6, 11:9) | details | 16.10.2025 |
| 1/8-finals | Bybel N./Van Orderlain D. | Holban V./Kountourakis I. | 0:2 (4:6, 2:6) | details | 14.10.2025 |
 Ireland: M15 Dublin - Doubles - Main |
|---|
| 1/8-finals | Bozemoj B./De Jonge D. | Kountourakis I./Tsitsipas Pa. | 2:0 (6:1, 6:1) | details | 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) | details | 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) | details | 10.07.2025 |
| 1/8-finals | Bhat A. P./Kountourakis I. | Caripi V./Volpi G. | 2:0 (6:4, 6:2) | details | 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) | details | 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) | details | 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) | details | 25.03.2025 |
| Greece: M15 Heraklion - Doubles - Main |
|---|
| Quarter-finals | Kielan S./Latinovic S. | Antonopoulos C./Kountourakis I. | 2:0 (7:64, 6:2) | details | 20.03.2025 |
| 1/8-finals | Antonopoulos C./Kountourakis I. | Chatziavraam N./Lafazanos A. | 2:0 (6:2, 6:2) | details | 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) | details | 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) | details | 18.02.2025 |
| Egypt: M15 Sharm ElSheikh 2 - Doubles - Main |
|---|
| 1/8-finals | Arutiunian E./Ostapenkov D. | Kountourakis I./Purtseladze S. | CAN. | details | 04.02.2025 |
