| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | Abraham Earl Sellado 185015 | L4 |
| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | Pablo Ramirez Rioja 197856 | L8 |
| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | Dimitar Dimitrov 307752 | — |
| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | Rowan Kumar 310480 | — |
| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | harry tomlinson 309668 | — |
| U17 National Championships 07_08-03-2026 | Kacper Piwowar 179698 | Nishil Shah 197319 | — |
| WTT Youth Contender Vila Real - Junior | Carlos Goncalves | Kacper Piwowar 179698 | — |
| WTT Youth Contender Vila Real - Junior | Yali Mor | Kacper Piwowar 179698 | — |
| WTT Youth Contender Vila Real - Junior | Kacper Piwowar 179698 | Victor BARTHOLOMAEUSSEN | — |
| WTT Youth Contender Vila Real - Junior | Steven Moreno | Kacper Piwowar 179698 | — |
| WTT Youth Contender Vila Real - Junior | Kacper Piwowar 179698 | Marcos Gomez | — |
| WTT Youth Contender Vila Real - Junior | Dinis Ye | Kacper Piwowar 179698 | — |
| WTT Youth Contender Vila Real - Junior | Kacper Piwowar 179698 | Franco Aufiero | — |
| WTT Youth Contender Linz Junior 8_11.01.2026 | Lowis Vogler | Kacper Piwowar 179698 | — |
| WTT Youth Contender Linz Junior 8_11.01.2026 | Kacper Piwowar 179698 | David Capanda | — |
| WTT Youth Contender Linz Junior 8_11.01.2026 | Kacper Piwowar 179698 | Simon Zsigmond | — |
| WTT Youth Contender Linz Junior 8_11.01.2026 | Kacper Piwowar 179698 | Seung Chen | — |
| Cliffedale Chandlers Junior 4 star 03.01.26 | Kacper Piwowar 179698 | Harvey Sandwell 202020 | — |
| Cliffedale Chandlers Junior 4 star 03.01.26 | Kacper Piwowar 179698 | David Sherwood 306404 | — |
| Cliffedale Chandlers Junior 4 star 03.01.26 | Max Radiven 188645 | Kacper Piwowar 179698 | Final |
