Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Kiseljak | 2021/05/27 10:40 | David Pichler v Hernan Casanova | 3-6,3-6 |
| ITF M25 Kiseljak | 2021/05/26 15:30 | Gilbert S K Junior v David Pichler | 4-6,3-6 |
| ITF M15 Sibenik | 2021/05/20 08:00 | Peter Fajta v David Pichler | 7-6,3-6,6-1 |
| ITF M15 Sibenik | 2021/05/19 12:20 | Peter Goldsteiner v David Pichler | 3-6,2-6 |
| ITF M15 Antalya | 2021/05/13 08:45 | David Pichler v Jacopo Berrettini | 6-7,6-3,4-6 |
| ITF M15 Antalya | 2021/05/12 07:00 | David Pichler v Dali Blanch | 6-2,6-4 |
| ITF M15 Antalya | 2021/05/05 06:50 | David Pichler v Orlando Luz | 2-6,2-6 |
| ITF M15 Sibenik | 2021/04/25 09:00 | David Pichler v Aldin Setkic | 6-7,3-6 |
| ITF M25 Most | 2021/05/27 07:55 | Gijs Brouwer v Andrew Paulson | 6-2,2-6,7-6 |
| ITF M25 Most | 2021/05/26 09:50 | Andrew Paulson v Christian Lindell | 6-2,6-3 |
| ITF M25 Jablonec Nad Nisou | 2021/05/21 09:00 | Andrew Paulson v Evan Furness | 0-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/20 07:55 | Andrew Paulson v Titouan Droguet | 6-4,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 08:00 | Jonas Forejtek v Andrew Paulson | 6-2,3-6,1-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 07:30 | Andrew Paulson v Kai Lemstra | 6-3,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Andrew Paulson v Leon Hoeveler | 6-1,6-2 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 07:30 | Andrew Paulson v Vojtech Vlkovsky | 6-1,6-4 |