Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF M25 Glasgow | 2020/02/19 10:00 | Zielinski, Jan v Antoine Bellier | 4-6,4-6 |
| ITF M25 Glasgow | 2020/02/17 14:25 | Zielinski, Jan v Hendrik Jebens | 4-6,2-6 |
| ITF M25 Glasgow | 2020/02/16 17:40 | Zielinski, Jan v Mcintosh, Euan | 6-4,6-2 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/13 11:20 | Kacper Zuk v Zielinski, Jan | 3-6,6-0,6-1 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/12 13:05 | Zielinski, Jan v Daniel Little | 6-3,6-4 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/11 13:25 | Alexis Gautier v Zielinski, Jan | 6-4,6-7,4-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/10 10:30 | Zielinski, Jan v Modica, Sacha | 6-2,7-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/09 10:00 | Zielinski, Jan v Woodall, Luc | 6-0,6-1 |
| ITF - M15 Héraklion | 2019/11/24 08:00 | Varney, Jackson v Meehan, Harry David | 3-6,7-5,10-5 |
| ITF - M15 Héraklion | 2019/11/18 08:00 | Park, Uisung v Meehan, Harry David | 6-1,6-3 |
| ITF - M15 Héraklion | 2019/11/17 07:30 | Meehan, Harry David v Yeshaya, Omer | 6-4,6-2 |
| ITF M25 Shrewsbury | 2019/09/23 14:30 | Meehan, Harry David v Hands, Tom | 3-6,2-6 |
| ITF M25 Shrewsbury | 2019/09/23 10:10 | Meehan, Harry David v Woodall, Luc | 6-0,6-1 |
| ITF M25 Plaisir | 2019/09/18 11:30 | Mertens, Yannick v Meehan, Harry David | 6-3,6-2 |
| ITF M25 Plaisir | 2019/09/16 14:15 | Clement Chidekh v Meehan, Harry David | 1-6,1-6 |
| ITF M25 Plaisir | 2019/09/16 12:30 | Clement Chidekh v Meehan, Harry David | 1-6,1-6 |