Stadium: Hard 20 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2021/11/23 07:00 | Seelig, Kyle v Preston Brown | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/11/22 08:00 | Seelig, Kyle v Maxim Khorozov | 6-3,6-2 |
| ITF - M15 Héraklion | 2021/11/18 06:55 | Filip Cristian Jianu v Seelig, Kyle | 6-2,6-4 |
| ITF - M15 Héraklion | 2021/11/16 08:30 | Sandro Kopp v Seelig, Kyle | 2-6,1-6 |
| ITF - M15 Héraklion | 2021/11/10 10:40 | Seelig, Kyle v Francesco Maestrelli | 3-6,7-6,4-6 |
| ITF - M15 Héraklion | 2021/11/07 09:00 | Ryan James Storrie v Seelig, Kyle | 1-6,5-7 |
| ITF - M15 Héraklion | 2021/11/06 08:30 | Seelig, Kyle v Peter Fajta | 6-4,6-2 |
| ITF - M15 Héraklion | 2021/11/05 08:30 | Aristotelis Thanos v Seelig, Kyle | 1-6,5-7 |
| ITF - M15 Héraklion | 2021/11/19 08:00 | Bergevi, Filip v Veldheer, Mick | 6-4,4-6,6-4 |
| ITF - M15 Héraklion | 2021/11/18 08:40 | Leopold Zima v Veldheer, Mick | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/11/16 08:30 | Stamoulos, Ioannis v Veldheer, Mick | 0-6,3-6 |
| ITF - M15 Héraklion | 2021/11/12 10:00 | Mark Lajal v Veldheer, Mick | 6-1,6-2 |
| ITF - M15 Héraklion | 2021/11/11 09:00 | Ragazzi, Alessandro v Veldheer, Mick | 3-6,2-6 |
| ITF - M15 Héraklion | 2021/11/10 12:25 | Federico Salomone v Veldheer, Mick | 3-6,6-4,1-6 |
| ITF M15 Selva Gardena | 2021/10/27 13:15 | Dambrosi, Giacomo v Veldheer, Mick | 3-6,6-2,7-6 |
| ITF M15 Selva Gardena | 2021/10/26 14:30 | Prechtel, Sebastian v Veldheer, Mick | 5-7,4-6 |