Challenger Calgary 11/06 01:00 14 [419] Giles Hussey v Piotr Matuszewski [127] 6-1,4-6,6-4
Challenger Shenzhen Qual 10/15 07:35 19 [445] Zhe Li v Piotr Matuszewski [135] 6-3,6-2
ITF M25 Poznan 08/21 13:20 44 Piotr Matuszewski v Vojtech Vlkovsky 7-6,1-6,8-10
ITF M25 Santa Margherita 05/03 15:55 26 [354] Sebastian Fanselow v Piotr Matuszewski [171] 7-5,1-6,6-4
ITF M25 Santa Margherita 05/01 11:10 25 Piotr Matuszewski v Lorenzo Ferri 3-6,6-2,6-0
ITF M25 Split 04/18 08:00 62 Piotr Mateuszewski v Maj Premzl 5-7,2-6
Challenger Zadar 03/19 13:10 45 [177] Piotr Matuszewski v Mirza Basic [468] 0-6,2-6
Challenger Guayaquil 10/31 15:00 14 [205] Piotr Matuszewski v Daniel Merida Aguilar [482] 4-6,4-6
Challenger Coquimbo 10/16 15:45 14 Fermin Tenti v Piotr Matuszewski 6-4,6-2
Challenger Rio De Janeiro 10/09 19:10 14 Giovanni M Perricard v Piotr Mateuszewski 6-3,6-0
ITF M25 Poznan 08/26 09:00 27 Valerio Aboian v Piotr Matuszewski Retired
ITF M25 Poznan 08/25 08:30 26 [193] Piotr Matuszewski v Pawel Cias [445] 3-6,6-2,7-6
ITF M25 Poznan 08/23 08:00 25 Piotr Matuszewski v Filip Kolasinski 7-5,3-6,6-2
Challenger Forli 12/06 09:00 19 Savriyan Danilov v Piotr Matuszewski Retired
Challenger Forli Qual 12/05 10:45 14 Piotr Matuszewski v Francesco Vilardo 6-2,6-4
Challenger Pau 11/14 11:15 26 [310] Nikolas S Izquierdo v Piotr Matuszewski [295] 6-2,6-1
Challenger Szczecin 09/12 09:00 14 [263] Jesper De Jong v Piotr Matuszewski [307] 6-3,6-4
ITF M25 Grodzisk Mazowiecki 08/02 16:00 44 Piotr Matuszewski v Dawid Taczala 1-6,6-4,7-10
ITF M25 Grodzisk Mazowiecki 08/02 11:05 44 Piotr Matuszewski v Simon Sedliak 2-6,6-4,10-4
Polish National Tour 07/14 09:15 - Kamil Majchrzak v Piotr Matuszewski Retired
Polish National Tour 07/13 10:35 - Piotr Matuszewski v Wojciech Marek 6-4,6-3
ITF M25 Casinalbo 07/05 07:30 54 Piotr Matuszewski v Gabriel Roveri Sidney 6-2,4-6,6-10
ITF M25 Casinalbo 07/04 08:45 54 Piotr Matuszewski v Lorenzo Favero 6-4,6-4
ITF M25 Most 05/25 08:00 62 Piotr Matuszewski v Hasan Ibrahim 6-2,2-6,9-11
ITF M25 Most 05/24 08:00 62 Piotr Matuszewski v Theo Arribage 7-5,7-5
ITF M25 Most 05/23 08:00 62 Piotr Matuszewski v Michal Novansky 6-4,1-6,12-10
ITF M25 Prague 05/09 07:30 62 Pavel Nejedly v Piotr Matuszewski 7-5,6-4
ITF M15 Monastir 04/12 12:30 62 Piotr Matuszewski v Sean Hodkin 1-6,0-6
ITF M15 Monastir 04/12 08:00 62 Simon Yitbarek v Piotr Matuszewski 1-6,2-6
ITF M15 Monastir 04/11 10:00 62 Jip Van Assendelft v Piotr Matuszewski 5-7,4-6