Stadium: Hard 21 Round: 28 Ground: Hardcourt outdoor
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/10 11:35 | Hua R / Zhang Z v Ginat R / Simon S | 6-1,6-2 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/08 12:55 | Hua R / Zhang Z v Jones/Wendelken | 6-4,6-1 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/05 10:10 | Hua R / Zhang Z v Mochizuki/Niki | 3-6,4-6 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/04 12:00 | Hua R / Zhang Z v Alvarez Varona/Alves | 7-6,6-3 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/03 13:05 | Hua R / Zhang Z v Donski/Moeller | 6-4,3-6,10-4 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/01 12:10 | Hua R / Zhang Z v Trongcharoenchaikul/Wattanakul | 4-6,6-1,10-6 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/05/28 11:35 | Hua R / Zhang Z v Cash/Stalder | 6-7,3-6 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/05/27 13:10 | Hua R / Zhang Z v Caripi/Stevenson | 6-3,6-4 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/08 13:05 | Thanos A / Tsitsipas P v Elamin/Maassen | 6-1,6-2 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/04 10:00 | Mochizuki/Niki v Thanos A / Tsitsipas P | 6-4,5-7,13-11 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/03 14:45 | Jones B / Paris J v Thanos A / Tsitsipas P | 4-6,6-7 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/06/01 12:45 | Agarwal/Foley v Thanos A / Tsitsipas P | 7-6,2-6,5-10 |
| ITF - M15 Héraklion - Doubles Hommes | 2021/05/25 10:00 | Thanos A / Tsitsipas P v Bellucci/Giacalone | 3-6,5-7 |
| ITF - M15 Héraklion - Doubles Hommes | 2020/11/27 08:00 | Miedler/Oberleitner v Thanos A / Tsitsipas P | 3-6,6-3,10-5 |
| ITF - M15 Héraklion - Doubles Hommes | 2020/11/26 14:15 | Jecan/Kirkov v Thanos A / Tsitsipas P | 7-6,4-6,3-10 |
| ITF - M15 Héraklion - Doubles Hommes | 2020/11/26 12:20 | Thanos A / Tsitsipas P v Harris/Willis | 6-4,6-4 |