LOSSSeptember 19, 2026Ümit S. Kalkan JUNIOR0 - 2Ziad ZOUFIGerman Open 2026 (Kyorugi) · M-55kg · Round of 32
LOSSJune 4, 2026Ümit S. Kalkan JUNIOR0 - 2David FINDLINGWT President's Cup Europe 2026 · M-51kg · Round of 16
LOSSMarch 21, 2026Ümit S. Kalkan JUNIOR0 - 2Abdoul Kader KONEBelgian Open 2026 · M-51kg · Round of 16
WINMarch 14, 2026Ümit S. Kalkan JUNIOR2 - 0Bruno Rueda MARTINEZDutch Open 2026 · M-51kg · Round of 32
WINMarch 7, 2026Ümit S. Kalkan JUNIOR2 - 0Kubilay Kaan ÜZMEZSlovenia Open 2026 · M-51kg · Semi Finals
WINMarch 7, 2026Ümit S. Kalkan JUNIOR2 - 0Roman BOXBERGERSlovenia Open 2026 · M-51kg · Quarter Finals
WINFebruary 7, 2026Ümit S. Kalkan JUNIOR2 - 1Daniil MODNOV2026 Austrian Open · M-51kg · Quarter Finals
WINOctober 11, 2025Ümit S. Kalkan JUNIOR2 - 0David FINDLINGMontenegro Podgorica Open 2025 · M-48kg · Finals
WINOctober 11, 2025Ümit S. Kalkan JUNIOR2 - 0Martin EVTIMOVMontenegro Podgorica Open 2025 · M-48kg · Semi Finals
WINOctober 11, 2025Ümit S. Kalkan JUNIOR2 - 0Ali Ruzgar BURTACMontenegro Podgorica Open 2025 · M-48kg · Quarter Finals
LOSSSeptember 13, 2025Ümit S. Kalkan JUNIOR0 - 2Fabio CARVALHOGerman Open 2025 (Kyorugi) · M-48kg · Semi Finals
WINSeptember 13, 2025Ümit S. Kalkan JUNIOR2 - 0Ziad ZOUFIGerman Open 2025 (Kyorugi) · M-48kg · Quarter Finals
WINSeptember 13, 2025Ümit S. Kalkan JUNIOR2 - 0Charlie JOHNSONGerman Open 2025 (Kyorugi) · M-48kg · Round of 16
LOSSJune 14, 2025Ümit S. Kalkan JUNIOR0 - 2Abdellatif LADIMAT2025 Austrian Open · M-48kg · Round of 16
LOSSMarch 15, 2025Ümit S. Kalkan JUNIOR0 - 2Ilyas BENATTOUBelgian Open 2025 (Kyorugi) · M-48kg · Round of 16
LOSSMarch 8, 2025Ümit S. Kalkan JUNIOR1 - 2Armaan DUBAR52nd Dutch Open Taekwondo Championships 2025 · M-48kg · Round of 16
LOSSApril 1, 2023Ümit S. Kalkan JUNIOR0 - 2Nurperzent SAMATULY2023 Austrian Open · M-37kg · Quarter Finals
LOSSMarch 18, 2023Ümit S. Kalkan JUNIOR0 - 2Mitas RAGOVENKO-BILERTASBelgian Open 2023 · M-37kg · Round of 16
LOSSMarch 11, 2023Ümit S. Kalkan JUNIOR0 - 0Noor ALSWAITTI2023 Dutch Open Taekwondo Championships · M-37kg · Finals
WINMarch 11, 2023Ümit S. Kalkan JUNIOR2 - 0Majid HOPIC2023 Dutch Open Taekwondo Championships · M-37kg · Semi Finals
WINMarch 11, 2023Ümit S. Kalkan JUNIOR2 - 0Hamza ELAGAMI2023 Dutch Open Taekwondo Championships · M-37kg · Quarter Finals
WINMarch 11, 2023Ümit S. Kalkan JUNIOR2 - 0Metin CAKIR2023 Dutch Open Taekwondo Championships · M-37kg · Round of 16
LOSSOctober 15, 2022Ümit S. Kalkan JUNIOR1 - 2Tymoteusz CHYBINSKIDutch Open 2022 · M-37kg · Round of 32
LOSSSeptember 10, 2022Ümit S. Kalkan JUNIOR0 - 2Mykhailo KOPIEIKINPolish Open 2022 · M-37kg · Round of 16
LOSSSeptember 11, 2021Ümit S. Kalkan JUNIOR0 - 23Mykhailo KAPUSTAPolish Open 2021 · M-33kg · Quarter Finals
