Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 - Vyshkovo | 2021/09/21 07:00 | Mykhailo Mossur v Nico Hornitschek | 2-6,3-6 |
| ITF M25 - Eupen | 2021/09/06 13:30 | Nico Hornitschek v Tom Gentzsch | 4-6,4-6 |
| ITF M25 - Eupen | 2021/09/05 07:30 | Massimo Brambati v Nico Hornitschek | 2-6,0-6 |
| ITF M25 - Ricany | 2021/08/29 08:00 | Philipp Pavlenko v Nico Hornitschek | 7-5,6-3 |
| ITF M25 - Caslano | 2021/08/23 13:55 | Louroi Martinez v Nico Hornitschek | 6-2,6-2 |
| ITF M25 - Prostejov | 2021/08/17 11:50 | Uladzimir Ignatik v Nico Hornitschek | 2-6,6-0,6-1 |
| ITF M25 - Prostejov | 2021/08/16 09:50 | Nico Hornitschek v Ondrej Valek | 6-1,6-2 |
| ITF M25 - Prostejov | 2021/08/15 08:00 | Reese Stalder v Nico Hornitschek | 4-6,2-6 |
| ITF M15 - Zlatibor | 2021/09/18 12:00 | Gergely Madarasz v Marko Tepavac | 4-6,4-6 |
| ITF M15 - Zlatibor | 2021/09/17 08:00 | Gergely Madarasz v Peter Nagy | 6-3,6-7,7-5 |
| ITF M15 - Zlatibor | 2021/09/16 08:00 | Gergely Madarasz v Stefan Vujic | 6-2,6-4 |
| ITF M15 - Zlatibor | 2021/09/15 11:30 | Gergely Madarasz v Viktor Jovic | 6-2,6-4 |
| ITF M15 - Ulcinj | 2021/09/05 08:00 | Gergely Madarasz v Juan Pablo Paz | 4-6,6-1,6-3 |
| ITF M15 - Ulcinj | 2021/09/04 09:00 | Eric Vanshelboim v Gergely Madarasz | 6-4,4-6,4-6 |
| ITF M15 - Ulcinj | 2021/09/02 08:30 | Antonio Massara v Gergely Madarasz | 3-6,1-6 |
| ITF M15 - Ulcinj | 2021/09/01 10:00 | Samuel Vincent Ruggeri v Gergely Madarasz | 2-6,0-6 |