Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 - Heraklion - Herrdubbel | 2021/06/11 07:00 | Hua/Zhang v Thanos/Tsitsipas | 6-4,6-4 |
| ITF M15 - Heraklion - Herrdubbel | 2021/06/08 13:05 | Thanos/Tsitsipas v Elamin/Maassen | 6-1,6-2 |
| ITF M15 - Heraklion - Herrdubbel | 2021/06/04 10:00 | Mochizuki/Niki v Thanos/Tsitsipas | 6-4,5-7,13-11 |
| ITF M15 - Heraklion - Herrdubbel | 2021/06/03 14:45 | Jones/Paris v Thanos/Tsitsipas | 4-6,6-7 |
| ITF M15 - Heraklion - Herrdubbel | 2021/06/01 12:45 | Agarwal/Foley v Thanos/Tsitsipas | 7-6,2-6,5-10 |
| ITF M15 - Heraklion - Herrdubbel | 2021/05/25 10:00 | Thanos/Tsitsipas v Bellucci/Giacalone | 3-6,5-7 |
| ITF M15 - Heraklion - Herrdubbel | 2020/11/27 08:00 | Miedler/Oberleitner v Thanos/Tsitsipas | 3-6,6-3,10-5 |
| ITF M15 - Heraklion - Herrdubbel | 2020/11/26 14:15 | Jecan/Kirkov v Thanos/Tsitsipas | 7-6,4-6,3-10 |