Stadium: Court 9 Round: 44 Ground: Clay
| ITF Kazakhstan F5 Qual | 2018/04/22 05:00 | 도로지킨, 세르게이 v Beck, Karol | 0-6,0-6 |
| ITF Egypt F1 | 2018/01/15 08:00 | 두브리브니, 아르템 v Beck, Karol | 6-1,6-4 |
| ITF Egypt F1 | 2018/01/14 08:00 | Beck, Karol v 보이추크, 로만 | 6-1,6-1 |
| ITF Egypt F1 | 2018/01/13 09:00 | 윈터 로페즈, 벤자민 v Beck, Karol | 0-6,1-6 |
| ITF Estonia F3 | 2016/11/03 14:50 | Beck, Karol v 이바노브, 블라디미르 | 3-6,5-7 |
| ITF Estonia F3 | 2016/10/31 09:00 | Sekulic, Milos v Beck, Karol | 2-6,1-6 |
| ITF Estonia F3 | 2016/10/30 09:00 | 워에르너, 파울 v Beck, Karol | 3-6,3-6 |
| ITF Estonia F3 | 2016/10/29 08:00 | Tuomi, Verneri v Beck, Karol | 0-6,1-6 |
| ITF Kazakhstan F5 Qual | 2018/04/22 06:20 | Dernowski, Dietrich v Nagimetov, Sundet | 6-3,6-4 |
| ITF Kazakhstan F5 Qual | 2018/04/21 06:00 | Didalov, Didal v Dernowski, Dietrich | 0-6,0-6 |
| ITF Kazakhstan F4 Qual | 2018/04/14 07:00 | Terzyan, Rafik v Dernowski, Dietrich | 6-2,7-5 |
| ITF Kazakhstan F3 Qual | 2018/04/08 14:10 | 파블리우첸코브, 알렉산더 v Dernowski, Dietrich | 7-5,6-3 |
| ITF Kazakhstan F3 Qual | 2018/04/08 07:30 | Dernowski, Dietrich v 베이베코브, 다니스 | 6-0,7-6 |
| Turkey F12, Singles Qualifying | 2018/03/24 06:30 | 팔라조브, 즐라탄 v Dernowski, Dietrich | 6-2,6-4 |
| ITF Turkey F11 | 2018/03/17 08:30 | Labna, Ramy v Dernowski, Dietrich | 6-2,6-0 |
| ITF USA F6 | 2018/01/27 14:00 | Bhatnagar, Malik v Dernowski, Dietrich | 6-4,6-0 |