Stadium: Court 10 Round: 26 Ground: Clay
| ITF M25 Klosters | 2023/07/02 11:45 | Nico Hornitschek v Mihaita Daniel Damian | 6-0,6-0 |
| ITF M15 Kamen | 2023/06/26 08:00 | Nico Hornitschek v Stepan Pecak | 6-7,1-6 |
| ITF M15 Duffel | 2023/06/12 10:00 | Nico Hornitschek v Noah Schlagenhauf | 5-7,6-7 |
| ITF M15 Duffel | 2023/06/11 14:00 | Nico Hornitschek v Joshua Nuyts | 6-2,6-0 |
| ITF M15 Vaasa | 2023/06/08 09:15 | Karl Friberg v Nico Hornitschek | 6-3,6-3 |
| ITF M15 Vaasa | 2023/06/07 07:00 | Benedikt Henning v Nico Hornitschek | 4-6,4-6 |
| ITF M25 Bodrum | 2023/05/23 08:10 | Nico Hornitschek v Sergey Fomin | 7-5,0-6,5-7 |
| ITF M25 Bodrum | 2023/05/22 07:50 | Nico Hornitschek v Fatih Sari | 6-2,6-3 |
| ITF M25 Las Vegas | 2023/10/16 13:00 | Warren Wood v Filip Pieczonka | 6-4,6-3 |
| ITF M15 Ithaca | 2023/10/02 16:30 | Filip Pieczonka v Drew Van Orderlain | 4-6,6-1,13-15 |
| ITF M25 Champaign | 2023/09/11 15:00 | Connor Bruce v Filip Pieczonka | 6-4,6-0 |
| UTR Pro Knoxville | 2023/09/02 14:30 | Filip Pieczonka v Michael Zhu | 3-6,4-5 |
| UTR Pro Knoxville | 2023/09/01 20:52 | Filip Pieczonka v Frank Thompson | 6-4,5-3 |
| UTR Pro Knoxville | 2023/08/30 21:42 | Filip Pieczonka v Nicholas Mangiapane | 6-2,6-3 |
| ITF M25 Poznan | 2023/08/21 09:00 | Michael Agwi v Filip Pieczonka | 6-4,2-6,10-7 |
| ITF M25 Poznan | 2023/08/20 09:00 | Ivo Vercik v Filip Pieczonka | 2-6,3-6 |