Stadium: Court 20 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2021/11/14 07:55 | Alastair Gray v Francesco Maestrelli | 0-6,6-3,5-7 |
| ITF - M15 Héraklion | 2021/11/13 12:00 | Alastair Gray v Peter Fajta | 6-3,3-6,6-3 |
| ITF - M15 Héraklion | 2021/11/12 08:00 | Alastair Gray v Alec Deckers | 6-3,6-4 |
| ITF - M15 Héraklion | 2021/11/11 11:50 | Alastair Gray v Hazem Naw | 4-6,7-6,6-2 |
| ITF - M15 Héraklion | 2021/11/10 07:00 | Alastair Gray v Preston Brown | 6-1,7-5 |
| ITF - M15 Doha | 2021/10/15 13:00 | Valentin Vacherot v Alastair Gray | 6-3,6-4 |
| ITF - M15 Doha | 2021/10/13 16:10 | Paris, Joshua v Alastair Gray | 4-6,2-6 |
| ITF M25 Pretoria | 2021/10/01 13:50 | Rio Noguchi v Alastair Gray | 6-3,7-6 |
| ITF - M15 Héraklion | 2021/11/16 07:00 | Max Houkes v Kai Lemstra | 4-6,6-7 |
| ITF - M15 Héraklion | 2021/11/15 08:00 | Gleeson, Alan v Kai Lemstra | 6-7,3-6 |
| ITF - M15 Héraklion | 2021/11/12 10:05 | Kai Lemstra v Peter Fajta | 6-4,1-6,2-6 |
| ITF - M15 Héraklion | 2021/11/11 07:00 | Tim Handel v Kai Lemstra | 3-6,6-7 |
| ITF - M15 Héraklion | 2021/11/10 09:20 | Ozolins, Karlis v Kai Lemstra | 3-6,6-7 |
| ITF - M15 Héraklion | 2021/11/09 07:00 | Kai Lemstra v Patzanovsky, Christopher | 6-2,6-4 |
| ITF - M15 Héraklion | 2021/11/07 12:00 | Kai Lemstra v Drew Van Orderlain | 6-2,6-3 |
| ITF M15 Selva Gardena | 2021/10/27 08:00 | Kai Lemstra v Mattia Bellucci | 3-6,3-6 |