Stadium: Hard 21 Round: 62 Ground: Hardcourt outdoor
| 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 | 2021/11/04 08:30 | Heger, Tim v Seelig, Kyle | 6-4,4-6,5-7 |
| ITF - M15 Héraklion | 2021/11/02 10:45 | Sergis Kyratzis v Seelig, Kyle | 6-4,3-6,3-6 |
| ITF - M15 Héraklion | 2021/11/21 11:00 | Pavlos Tsitsipas v Maxim Khorozov | 4-6,2-6 |
| ITF M15 Sozopol | 2021/10/10 12:00 | Maxim Khorozov v Michael Gloeckler | 7-6,2-6,5-10 |
| ITF M15 Sozopol | 2021/10/05 06:30 | Maxim Khorozov v Dimic, Matic | 4-6,2-6 |