Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Doha | 2021/12/14 12:00 | Huang, Haoyuan v Leyton Rivera | 6-7,4-6 |
| ITF - M15 Doha | 2021/12/13 12:00 | Huang, Haoyuan v Hong-Lin Fu | 6-3,6-4 |
| ITF M15 Cairo | 2021/12/09 08:45 | Paul Valsecchi v Huang, Haoyuan | 6-4,6-2 |
| ITF M15 Cairo | 2021/12/07 09:30 | Huang, Haoyuan v Hong-Lin Fu | 6-0,6-2 |
| ITF M15 Cairo | 2021/11/30 10:10 | Huang, Haoyuan v Luca Fantini | 3-6,7-6,7-10 |
| ITF M15 Cairo | 2021/11/28 12:00 | Huang, Haoyuan v Kravchenko, Pavel | 6-1,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/11/17 08:00 | Huang, Haoyuan v Cyril Vandermeersch | 6-3,4-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/16 10:10 | Huang, Haoyuan v Ainius Sabaliauskas | 6-2,6-2 |
| ITF - M15 Héraklion | 2021/12/01 12:05 | Preston Brown v Arthur Fery | 2-6,6-7 |
| ITF - M15 Héraklion | 2021/11/30 07:00 | Preston Brown v Tzicas, Charles | 6-3,6-3 |
| ITF - M15 Héraklion | 2021/11/29 10:00 | Preston Brown v Jurriaan Bol | 6-3,7-6 |
| ITF - M15 Héraklion | 2021/11/25 09:20 | Dane Sweeny v Preston Brown | 6-4,6-4 |
| ITF - M15 Héraklion | 2021/11/24 06:55 | Preston Brown v Mika Lipp | 6-2,6-0 |
| ITF - M15 Héraklion | 2021/11/23 07:00 | Seelig, Kyle v Preston Brown | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/11/21 07:00 | Stephanos Schinas v Preston Brown | 3-6,2-6 |
| ITF - M15 Héraklion | 2021/11/18 07:00 | Preston Brown v Krainer, L. | 6-3,1-6,2-6 |