Stadium: Court 8 Round: 26 Ground: Hardcourt indoor
| 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 |
| ITF M15 Grodzisk Mazowiecki | 2024/06/05 08:00 | Alan Bojarski v Eero Vasa | 7-5,6-4 |
| ITF M15 Monastir | 2023/12/10 08:30 | Alan Bojarski v Mehdi Benchakroun | 3-6,6-3,6-10 |
| ITF M15 Monastir | 2023/12/04 08:00 | Fabien Salle v Alan Bojarski | 6-4,6-3 |
| ITF M15 Koszalin | 2023/09/06 12:00 | Alan Bojarski v Szymon Kielan | 7-6,2-6,5-7 |
| ITF M15 Koszalin | 2023/09/05 10:40 | Juliusz Bienkiewicz v Alan Bojarski | 4-6,4-6 |
| ITF M15 Koszalin | 2023/09/04 09:00 | Jamie Krattiger v Alan Bojarski | 2-6,1-6 |
| ITF M15 Szczawno | 2023/08/30 07:00 | Olaf Pieczkowski v Alan Bojarski | 6-0,6-2 |
| ITF M15 Szczawno | 2023/08/28 15:00 | Radovan Michalik v Alan Bojarski | 4-6,4-6 |