World: Davis Cup - Group III - Doubles - Main |
| | Kubot L./Matkowski M. | Ivanov V./Raisma K. | CAN. | details | 14.09.2019 |
| | Kubot L./Matkowski M. | Pervolarakis M./Tsitsipas S. | 2:1 (3:6, 6:4, 6:1) | details | 12.09.2019 |
| | Kubot L./Matkowski M. | Kalovelonis M./Tsitsipas Pe. | CAN. | details | 12.09.2019 |
| | Kubot L./Matkowski M. | Arneodo R./Balleret B. | 2:1 (2:6, 6:3, 6:4) | details | 11.09.2019 |
Poland: Sopot - Doubles - Main |
| 1/8-finals | Matkowski M./Walkow S. | Jahn J./Martinez P. | 0:2 (3:6, 3:6) | details | 31.07.2019 |
Poland: Poznan - Doubles - Main |
| 1/8-finals | Domingues J./Vatutin A. | Matkowski M./Zuk K. | 2:1 (6:3, 5:7, 10:4) | details | 04.06.2019 |
| 1/8-finals | Moraing M./Otte O. | Matkowski M./Zuk K. | CAN. | details | 04.06.2019 |
France: Montpellier - Doubles - Main |
| Quarter-finals | Dodig I./Roger-Vasselin E. | Matkowski M./Oswald P. | 2:1 (66:7, 6:1, 10:7) | details | 07.02.2019 |
| 1/8-finals | Matkowski M./Oswald P. | Darcis S./Goffin D. | 2:1 (2:6, 6:1, 10:2) | details | 05.02.2019 |
Australia: Australian Open - Doubles - Main |
| 1/32-finals | Gong M./Zhang Z. | Klizan M./Matkowski M. | 2:1 (7:5, 5:7, 6:4) | details | 16.01.2019 |
Slovakia: Bratislava - Doubles - Main |
| 1/8-finals | Ramanathan R./Vasilevski A. | Matkowski M./Oswald P. | 2:1 (6:3, 3:6, 10:6) | details | 05.11.2018 |
Russia: Moscow - Doubles - Main |
| 1/8-finals | Khachanov K./Rublev A. | Matkowski M./Monroe N. | 2:0 (6:4, 7:5) | details | 15.10.2018 |
China: Shenzhen - Doubles - Main |
| Quarter-finals | McLachlan B./Salisbury J. | Matkowski M./Monroe N. | 2:0 (6:4, 6:4) | details | 27.09.2018 |
| 1/8-finals | Sun F./Zhang Z. | Matkowski M./Monroe N. | 0:2 (4:6, 2:6) | details | 24.09.2018 |
Russia: St. Petersburg - Doubles - Main |
| 1/8-finals | Matkowski M./Monroe N. | Jebavy R./Middelkoop M. | 0:2 (4:6, 4:6) | details | 19.09.2018 |
World: Davis Cup - Group II - Doubles - Main |
| | Mergea F./Tecau H. | Kubot L./Matkowski M. | 2:1 (7:5, 4:6, 6:3) | details | 16.09.2018 |
USA: US Open - Doubles - Main |
| 1/32-finals | Gonzalez M./Jarry N. | Marrero D./Matkowski M. | 2:0 (6:3, 6:4) | details | 30.08.2018 |
United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/16-finals | Kontinen H./Watson H. | Matkowski M./Buzarnescu M. | 2:1 (6:2, 5:7, 7:5) | details | 09.07.2018 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/8-finals | Sharan D./Sitak A. | Erlich J./Matkowski M. | 3:2 (1:6, 63:7, 6:4, 6:4, 6:4) | details | 09.07.2018 |
United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/32-finals | Matkowski M./Buzarnescu M. | Sharan D./Rosolska A. | 2:0 (6:3, 7:5) | details | 07.07.2018 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Erlich J./Matkowski M. | Kubot L./Melo M. | 3:1 (65:7, 6:4, 7:64, 7:68) | details | 06.07.2018 |
| 1/32-finals | Erlich J./Matkowski M. | Eysseric J./Nys H. | 3:0 (7:65, 7:64, 7:68) | details | 04.07.2018 |
United Kingdom: Eastbourne - Doubles - Main |
| 1/8-finals | Matkowski M./McLachlan B. | Skupski K./Skupski N. | 0:2 (2:6, 64:7) | details | 26.06.2018 |
Germany: Halle - Doubles - Main |
| 1/8-finals | Mirnyi M./Oswald P. | Matkowski M./Middelkoop M. | 2:0 (7:5, 7:64) | details | 20.06.2018 |
Germany: Stuttgart - Doubles - Main |
| Final | Petzschner P./Puetz T. | Lindstedt R./Matkowski M. | 2:0 (7:65, 6:3) | details | 17.06.2018 |
| Semi-finals | Lindstedt R./Matkowski M. | Fucsovics M./Zverev M. | 2:1 (6:3, 67:7, 12:10) | details | 16.06.2018 |
| Quarter-finals | Lindstedt R./Matkowski M. | Mirnyi M./Oswald P. | 2:0 (6:3, 6:4) | details | 14.06.2018 |
| 1/8-finals | Begemann A./Marterer M. | Lindstedt R./Matkowski M. | 0:2 (5:7, 5:7) | details | 11.06.2018 |
France: French Open - Mixed Doubles - Main |
| 1/16-finals | Spears A./Cabal J. S. | Peschke K./Matkowski M. | 2:1 (5:7, 6:4, 11:9) | details | 31.05.2018 |
France: French Open - Doubles - Main |
| 1/32-finals | Lindstedt R./Matkowski M. | Herbert P./Mahut N. | 1:2 (4:6, 6:3, 66:7) | details | 30.05.2018 |
France: Lyon - Doubles - Main |
| 1/8-finals | Matkowski M./McLachlan B. | Duran G./Molteni A. | 1:2 (6:2, 5:7, 2:10) | details | 22.05.2018 |
Turkey: Istanbul - Doubles - Main |
| Semi-finals | Inglot D./Lindstedt R. | Matkowski M./Sharan D. | 2:1 (6:4, 2:6, 10:4) | details | 04.05.2018 |
| Quarter-finals | Lajovic D./Troicki V. | Matkowski M./Sharan D. | WO. | details | 04.05.2018 |
| 1/8-finals | Albot R./Basilashvili N. | Matkowski M./Sharan D. | 0:2 (5:7, 3:6) | details | 01.05.2018 |
Hungary: Budapest - Doubles - Main |
| Semi-finals | Matkowski M./Monroe N. | Inglot D./Skugor F. | 1:2 (7:5, 3:6, 9:11) | details | 28.04.2018 |
| Quarter-finals | Koolhof W./Sitak A. | Matkowski M./Monroe N. | 0:2 (3:6, 4:6) | details | 26.04.2018 |
| 1/8-finals | Sharan D./Skupski N. | Matkowski M./Monroe N. | 0:2 (2:6, 3:6) | details | 25.04.2018 |
Morocco: Marrakech - Doubles - Main |
| Semi-finals | Marrero D./Matkowski M. | Paire B./Roger-Vasselin E. | 0:2 (5:7, 3:6) | details | 14.04.2018 |
| Quarter-finals | Marrero D./Matkowski M. | Cerretani J./Qureshi A. | 2:0 (6:4, 7:5) | details | 12.04.2018 |
| 1/8-finals | Marrero D./Matkowski M. | Lindstedt R./Skugor F. | 2:1 (5:7, 7:66, 10:8) | details | 11.04.2018 |
World: Davis Cup - Group II - Doubles - Main |
| | Kubot L./Matkowski M. | Garanganga T./Lock B. | 2:0 (6:3, 6:3) | details | 08.04.2018 |
USA: Miami - Doubles - Main |
| 1/16-finals | Matkowski M./Qureshi A. | Mayer L./Schwartzman D. | 1:2 (7:66, 65:7, 9:11) | details | 24.03.2018 |
United Arab Emirates: Dubai - Doubles - Main |
| Quarter-finals | Matkowski M./Qureshi A. | Rojer J./Tecau H. | 0:2 (4:6, 4:6) | details | 01.03.2018 |
| 1/8-finals | Sharan D./Sugita Y. | Matkowski M./Qureshi A. | 0:2 (5:7, 1:6) | details | 28.02.2018 |
Netherlands: Rotterdam - Doubles - Main |
| 1/8-finals | Herbert P./Mahut N. | Matkowski M./Qureshi A. | 2:0 (6:4, 6:4) | details | 14.02.2018 |
Bulgaria: Sofia - Doubles - Main |
| 1/8-finals | Matkowski M./Qureshi A. | Arneodo R./Weissborn S. | 1:2 (64:7, 6:1, 8:10) | details | 07.02.2018 |
World: Davis Cup - Group II - Doubles - Main |
| | Bedene A./Rola B. | Kowalczyk M./Matkowski M. | 1:2 (7:5, 65:7, 4:6) | details | 04.02.2018 |
Australia: Australian Open - Doubles - Main |
| Quarter-finals | Bryan B./Bryan M. | Matkowski M./Qureshi A. | 2:0 (6:1, 6:4) | details | 23.01.2018 |
| 1/8-finals | Matkowski M./Qureshi A. | Albot R./Chung H. | WO. | details | 21.01.2018 |
| 1/16-finals | Matkowski M./Qureshi A. | Lindstedt R./Skugor F. | 2:0 (7:64, 6:4) | details | 20.01.2018 |