| Bulgarian International | 2021/10/08 07:45 | Emre Lale v Iliyan Stoynov | L | 2-1 |
| Ukraine International | 2021/09/09 08:00 | Iliyan Stoynov v Danylo Bosniuk | L | 0-2 |
| Ukraine International | 2021/09/08 09:40 | Iliyan Stoynov v Fabian Roth | W | 2-1 |
| Hellas International | 2021/09/04 08:20 | Iliyan Stoynov v Miha Ivanic | L | 0-2 |
| Dänemark - Denmark Masters - Qualifikation | 2021/08/05 12:00 | Alex Lanier v Iliyan Stoynov | L | 2-0 |
| Spain International - Qualifikation | 2021/06/16 10:20 | Iliyan Stoynov v Ethan Rose | L | 0-2 |
| Spain International - Qualifikation | 2021/06/16 10:00 | Carlos Sanchez-Alarcos v Iliyan Stoynov | W | 0-2 |
| Austrian Open - Qualifikation | 2021/05/27 09:00 | Yonathan Levit v Iliyan Stoynov | L | 2-1 |
| Cyprus Int. Qual | 2021/10/14 12:00 | Justin Seibel v Magnus Bach Kristensen | W | 0-2 |
| Cyprus Int. Qual | 2021/10/14 09:35 | Magnus Bach Kristensen v Elias Nicolaou | W | 2-0 |