KALAH26 September 2026Jan WALKIEWICZ0 - 2Ibrahima BEYEPolish Open Warsaw Cup 2026 · M-63kg · Perempat final
KALAH4 Juni 2026Jan WALKIEWICZ0 - 2Ibrahim Efe DUZELWT President's Cup Europe 2026 · M-63kg · Semifinal
MENANG4 Juni 2026Jan WALKIEWICZ2 - 1Noah MEYERWT President's Cup Europe 2026 · M-63kg · Perempat final
MENANG4 Juni 2026Jan WALKIEWICZ2 - 0Marcello VINCIGUERRAWT President's Cup Europe 2026 · M-63kg · Babak 16 besar
KALAH20 September 2025Jan WALKIEWICZ0 - 2Volodymyr PIATENKOPolish Open 2025 · M-59kg · Babak 16 besar
KALAH8 Maret 2025Jan WALKIEWICZ0 - 2Abbas JADOUEZADEH52nd Dutch Open Taekwondo Championships 2025 · M-59kg · Babak 16 besar
MENANG8 Maret 2025Jan WALKIEWICZ2 - 0Alvin MURIC52nd Dutch Open Taekwondo Championships 2025 · M-59kg · Babak 32 besar
KALAH16 Maret 2024Jan WALKIEWICZ0 - 2Carlos Rodriguez HIDALGOBelgian Open 2024 · M-55kg · Babak 64 besar
KALAH14 Oktober 2023Jan WALKIEWICZ0 - 2Ognjen AVRAMOVIC27th Zagreb Croatia Open 2023 · M-53kg · Perempat final
