Stadium: Hard 20 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion MD | 2021/06/05 10:10 | Hua/Zhang v Mochizuki/Niki | 3-6,4-6 |
| ITF M15 Heraklion MD | 2021/06/04 12:00 | Hua/Zhang v Alvarez Varona/Alves | 7-6,6-3 |
| ITF M15 Heraklion MD | 2021/06/03 13:05 | Hua/Zhang v Donski/Moeller | 6-4,3-6,10-4 |
| ITF M15 Heraklion MD | 2021/06/01 12:10 | Hua/Zhang v Trongcharoenchaikul/Wattanakul | 4-6,6-1,10-6 |
| ITF M15 Heraklion MD | 2021/05/28 11:35 | Hua/Zhang v Cash/Stalder | 6-7,3-6 |
| ITF M15 Heraklion MD | 2021/05/27 13:10 | Hua/Zhang v Caripi/Stevenson | 6-3,6-4 |
| ITF M15 Heraklion MD | 2021/05/25 11:45 | Hua/Zhang v Mochizuki/Niki | 6-3,6-1 |
| ITF M15 Heraklion MD | 2021/05/22 12:00 | Hua/Zhang v Chrysochos/Whitehouse | 6-4,2-6,6-10 |