KALAH19 November 2025Aleksander OSTASZEWSKI1 - 2Richard HANUSOVSKYEuropean Junior Championships 2025 · M+78kg · Perempat final
MENANG19 November 2025Aleksander OSTASZEWSKI2 - 0David HULIIEuropean Junior Championships 2025 · M+78kg · Babak 16 besar
KALAH20 September 2025Aleksander OSTASZEWSKI1 - 2Santiago Curats OLMEDAPolish Open 2025 · M+78kg · Perempat final
MENANG20 September 2025Aleksander OSTASZEWSKI2 - 1Grzegorz PERUCKIPolish Open 2025 · M+78kg · Babak 16 besar
KALAH23 Juli 2025Aleksander OSTASZEWSKI0 - 2Filip KRNJAIC2025 European Youth Olympic Festival (Kyorugi) · M+73kg · Babak 16 besar
KALAH8 Maret 2025Aleksander OSTASZEWSKI0 - 2Abdullah BILGIN52nd Dutch Open Taekwondo Championships 2025 · M+78kg · Semifinal
MENANG8 Maret 2025Aleksander OSTASZEWSKI2 - 1Mohamed-Amine KECHICHE52nd Dutch Open Taekwondo Championships 2025 · M+78kg · Perempat final
KALAH21 September 2024Aleksander OSTASZEWSKI0 - 2Po-Wu CHUANGPolish Open 2024 · M+78kg · Perempat final
KALAH9 September 2023Aleksander OSTASZEWSKI0 - 2Ariant SELIMIPolish Open 2023 · M-73kg · Babak 16 besar
MENANG18 Maret 2023Aleksander OSTASZEWSKI2 - 1Mazine MAKHOUKHBelgian Open 2023 · M-68kg · Babak 32 besar
MENANG10 September 2022Aleksander OSTASZEWSKI2 - 1Nazar BRYLOVPolish Open 2022 · M+65kg · Perempat final
