Poland: M15 Wroclaw - Doubles - Main |
| Quarter-finals | Pieczkowski O./Pieczonka F. | Pawlak P./Terczynski M. | 2:0 (6:4, 6:4) | details | 27.06.2024 |
| 1/8-finals | Jedrzejczak J./Zaorski L. | Pieczkowski O./Pieczonka F. | 0:2 (3:6, 0:6) | details | 25.06.2024 |
Denmark: M25 Aarhus - Doubles - Main |
| 1/8-finals | Davis J./Whitehouse M. | Kaukovalta P./Pieczkowski O. | WO. | details | 11.06.2024 |
United Kingdom: M25 Nottingham - Doubles - Main |
| 1/8-finals | Bass F./Tyler J. | Pawelski M./Pieczkowski O. | 2:1 (4:6, 6:1, 10:5) | details | 23.04.2024 |
Tunisia: M15 Monastir 15 - Doubles - Main |
| 1/8-finals | Nortey I./Pieczkowski O. | Pokorny L./Wiskandt M. | 0:2 (4:6, 4:6) | details | 09.04.2024 |
Slovakia: M25 Trnava - Doubles - Main |
| Quarter-finals | Oberleitner N./Paul J. | Kielan S./Pieczkowski O. | 2:0 (6:3, 6:2) | details | 28.03.2024 |
| 1/8-finals | Kielan S./Pieczkowski O. | Jakubovic X./Medved J. | 2:1 (6:4, 3:6, 10:8) | details | 26.03.2024 |
Egypt: M15 Sharm ElSheikh 8 - Doubles - Main |
| Semi-finals | Pawelski M./Pieczkowski O. | Beloborodko I./Dzhavakian Y. | WO. | details | 22.03.2024 |
| Quarter-finals | Elsayed A./van Wyk K. | Pawelski M./Pieczkowski O. | WO. | details | 21.03.2024 |
| 1/8-finals | Desousa J./Pel S. | Pawelski M./Pieczkowski O. | 0:2 (4:6, 4:6) | details | 19.03.2024 |
Qatar: M25 Doha - Doubles - Main |
| 1/8-finals | Imamura M./Tajima N. | Pieczkowski O./Sultanov K. | 2:0 (7:5, 6:4) | details | 15.01.2024 |
Qatar: M15 Doha - Doubles - Main |
| 1/8-finals | Imamura M./Tajima N. | Pieczkowski O./Sultanov K. | 2:0 (6:2, 7:62) | details | 09.01.2024 |