Marbello Cup Exhibition Series 06/03 14:40 - Maciej Rajski v Zielinski, Jan 4-6,4-6
Marbello Cup Exhibition Series 06/03 08:50 - Zielinski, Jan v Dembek, Michal 7-6,5-7,10-4
Marbello Cup Exhibition Series 06/02 13:30 1 [434] Daniel Michalski v Zielinski, Jan [283] 6-0,5-7,8-10
Marbello Cup Exhibition Series 06/02 07:00 1 Zielinski, Jan v Terczynski, Mateusz 4-6,6-3,10-6
ITF - M25 Sunderland 02/24 11:40 54 Zielinski, Jan v George Houghton 4-6,6-3,7-10
ITF - M25 Sunderland 02/23 13:05 54 Zielinski, Jan v Meehan, Harry David 4-6,6-4,11-9
ITF M25 Glasgow 02/19 10:00 25 Zielinski, Jan v Antoine Bellier 4-6,4-6
ITF M25 Glasgow 02/17 14:25 54 Zielinski, Jan v Hendrik Jebens 4-6,2-6
ITF M25 Glasgow 02/16 17:40 54 Zielinski, Jan v Mcintosh, Euan 6-4,6-2
Barnstaple, Singles Qualifying M-ITF-GBR-01A 02/13 11:20 27 [406] Kacper Zuk v Zielinski, Jan [337] 3-6,6-0,6-1
Barnstaple, Singles Qualifying M-ITF-GBR-01A 02/12 13:05 26 Zielinski, Jan v Daniel Little 6-3,6-4
Barnstaple, Singles Qualifying M-ITF-GBR-01A 02/11 13:25 25 Alexis Gautier v Zielinski, Jan 6-4,6-7,4-6
Barnstaple, Singles Qualifying M-ITF-GBR-01A 02/10 10:30 54 Zielinski, Jan v Modica, Sacha 6-2,7-6
Barnstaple, Singles Qualifying M-ITF-GBR-01A 02/09 10:00 54 Zielinski, Jan v Woodall, Luc 6-0,6-1
ITF - M25 Nussloch 01/20 16:00 44 Leopold Zima v Zielinski, Jan 6-4,7-6
ITF - M25 Nussloch 01/20 10:25 44 Mansson, Marcus v Zielinski, Jan 7-6,4-6,8-10
ITF - M25 Nussloch 01/19 09:00 44 Schommer, Fred Olivier v Zielinski, Jan 2-6,2-6
ITF - M15 Héraklion 11/17 08:30 29 Erler, Alexander v Zielinski, Jan 7-5,6-1
ITF - M15 Héraklion 11/16 12:00 28 Zielinski, Jan v Patrick Kypson 6-4,6-2
ITF - M15 Héraklion 11/16 08:00 27 Zielinski, Jan v Jonas Trinker 6-3,6-2
ITF - M15 Héraklion 11/15 08:00 26 Zielinski, Jan v Kirkov, Vasil 6-3,6-3
ITF - M15 Héraklion 11/12 13:05 25 Kocevar-Desman, Tom v Zielinski, Jan 1-6,4-6
ITF - M15 Sharm El Sheikh 10/30 11:25 25 [472] Zielinski, Jan v Kacper Zuk [469] 3-6,3-6
ITF - M15 Sharm El Sheikh 10/23 08:00 25 [371] Karim-Mohamed Maamoun v Zielinski, Jan [471] 7-5,6-2
ITF M25 Falun 10/01 11:00 25 Antoine Bellier v Zielinski, Jan 6-4,6-4
ITF M25 Falun 09/30 09:10 54 Zielinski, Jan v Jonathan Stenberg 6-3,6-4
ITF M25 Falun 09/29 12:00 54 Zielinski, Jan v Arvidsson Ehn, Jakob 6-2,6-1
Stockholm, Singles M-ITF-SWE-05A 09/27 10:00 27 Kacper Zuk v Zielinski, Jan 6-3,6-1
Stockholm, Singles M-ITF-SWE-05A 09/26 12:00 26 Zielinski, Jan v Kaichi Uchida 6-3,6-4
Stockholm, Singles M-ITF-SWE-05A 09/25 09:00 25 Zielinski, Jan v Lucas Renard 6-4,6-1