Stadium: Hard 20 Round: 28 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2021/05/28 06:30 | Zhang, Ze v Johnson, Luke | 6-1,6-1 |
| ITF - M15 Héraklion | 2021/05/27 09:25 | Zhang, Ze v Adam Jones | 6-2,6-1 |
| ITF - M15 Héraklion | 2021/05/26 13:10 | Zhang, Ze v Alexandros Skorilas | 6-2,6-1 |
| ITF - M15 Héraklion | 2021/05/21 06:30 | Yuta Shimizu v Zhang, Ze | 6-3,1-6,6-3 |
| ITF - M15 Héraklion | 2021/05/20 06:30 | Niki, Takuto v Zhang, Ze | 5-7,3-6 |
| ITF - M15 Héraklion | 2021/05/18 08:00 | Yuki Mochizuki v Zhang, Ze | 2-6,3-6 |
| ITF - M15 Monastir | 2020/03/11 17:50 | Zhang, Ze v Presuhn, Bastien | 7-6,6-3 |
| Bangkok, Thaïlande | 2020/01/15 03:00 | Roman Safiullin v Zhang, Ze | 6-2,6-1 |
| ITF - M15 Héraklion | 2021/05/28 06:30 | Yshai Oliel v Federico Arnaboldi | 6-7,6-2,3-6 |
| ITF - M15 Héraklion | 2021/05/26 10:40 | Niki, Takuto v Federico Arnaboldi | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/05/25 06:30 | Federico Arnaboldi v Matthew Dellavedova | 6-2,6-3 |
| ITF - M15 Héraklion | 2021/05/24 06:30 | Federico Arnaboldi v Vasiliauskas, Matas | 6-3,6-0 |
| ITF - M15 Héraklion | 2021/05/23 06:30 | Federico Arnaboldi v Johann, Lars | 6-1,6-2 |
| ITF - M15 Antalya | 2021/04/23 08:25 | Federico Arnaboldi v Frunza, Nicolae | 3-6,2-6 |
| ITF - M15 Antalya | 2021/04/22 08:30 | Yshai Oliel v Federico Arnaboldi | 3-6,4-6 |
| ITF - M15 Antalya | 2021/04/21 10:00 | Peter Fajta v Federico Arnaboldi | 3-6,4-6 |