| ITF Egypt F38 | 12/13 11:45 | 25 | Kowalczyk, Mateusz v Barton, Dominik | Cancelled | |
| Egypt F37, Singles | 12/06 08:30 | 25 | 코레이아 파소스 도 카르모, 조르단 v Kowalczyk, Mateusz | Retired | |
| Egypt F37, Singles | 12/04 09:00 | 44 | Kowalczyk, Mateusz v 윈클러, 게오르그 | 7-6,6-4 | |
| Egypt F37, Singles | 12/03 09:00 | 44 | Kowalczyk, Mateusz v 마크조우메, 야코우브 | 6-4,6-2 | |
| Egypt F36, Singles | 11/29 12:20 | 25 | Kowalczyk, Mateusz v Kolisnyk, Olexiy | 1-6,3-6 | |
| Egypt F36, Singles | 11/27 09:30 | 44 | Kowalczyk, Mateusz v Fares Zakaria | 6-1,6-1 | |
| ITF Poland F11 | 09/01 12:20 | 27 | 뎀베크, 미칼 v Kowalczyk, Mateusz | 7-5,6-3 | |
| ITF Poland F11 | 08/31 12:30 | 26 | Kowalczyk, Mateusz v 워이날, 발토즈 | 6-2,6-2 | |
| ITF Poland F11 | 08/29 11:50 | 25 | Kowalczyk, Mateusz v 로잔, 크리스티안 | 6-4,6-1 | |
| ITF Poland F11 | 08/27 08:00 | 44 | Mularczyk, Konrad v Kowalczyk, Mateusz | 2-6,2-6 | |
| ITF Poland F8 | 08/01 13:55 | 25 | 안들제이크주크, 아드리안 v Kowalczyk, Mateusz | 6-2,6-3 | |
| ITF Poland F8 Qual | 08/01 07:30 | 44 | 마레로 쿠르벨로, 이반 v Kowalczyk, Mateusz | 6-7,1-6 | |
| ITF Poland F8 Qual | 07/29 08:00 | 44 | Innocenti, Davide v Kowalczyk, Mateusz | 4-6,4-6 | |
| ITF Italy F7 | 04/03 11:45 | 25 | [149] Kowalczyk, Mateusz v 마겔, 기안루카 [337] | 4-6,3-6 | |
| ITF Italy F7 Qual | 04/02 07:30 | 54 | 바란코 코사노, 자비엘 v Kowalczyk, Mateusz | 3-6,4-6 | |
| ITF Italy F7 Qual | 04/01 07:30 | 54 | Kowalczyk, Mateusz v Marasin, Alexandru Catalin | 6-0,7-5 | |
| Brescia, Italy, Qualifying | 11/12 10:55 | 45 | Kowalczyk, Mateusz v 그리젤리스, 라우리나스 | 6-7,2-6 | |
| Challenger Szczecin | 09/16 11:00 | 25 | Kowalczyk, Mateusz v 시치나토, 마르코 | 3-6,4-6 | |
| ITF Czech Republic F4 | 10/24 08:00 | - | Kowalczyk, Mateusz v 메르틀, 잔 | Retired | |
| ITF Czech Republic F4 | 10/23 09:30 | - | Kapas, Andriej v Kowalczyk, Mateusz | 5-7,4-6 | |
| ITF Czech Republic F4 Qual | 10/21 11:10 | - | Kowalczyk, Mateusz v 레세크, 도미니크 | 6-3,6-2 | |
| Challenger Szczecin | 09/09 10:50 | 25 | Kowalczyk, Mateusz v 파블라세크, 아담 | 4-6,3-6 | |
| Challenger Szczecin Qual | 09/08 12:30 | 44 | Wagner, Bastian v Kowalczyk, Mateusz | 4-6,1-6 | |
| ITF Poland F7 Qual | 08/31 12:00 | - | Kowalczyk, Mateusz v 올로브, 블라디슬라브 | Retired | |
| ITF Poland F6 | 08/27 10:00 | - | Teurer, Rafal v Kowalczyk, Mateusz | 4-6,4-6 | |
| ITF Poland F5 | 08/21 13:10 | - | Kowalczyk, Mateusz v Sikora, Adrian | 1-6,6-3,6-7 | |
| ITF Poland F5 | 08/19 08:00 | - | 마이크로비츠, 아담 v Kowalczyk, Mateusz | 7-6,4-6,1-6 |