WINAugust 23, 2026Guansen NIU2 - 1Zhaoxun CAI2026 China Open International Taekwondo Championships (Kyorugi) · M-74kg · Finals
WINAugust 23, 2026Guansen NIU2 - 1Yufan CHEN2026 China Open International Taekwondo Championships (Kyorugi) · M-74kg · Semi Finals
WINAugust 23, 2026Guansen NIU2 - 1Lei YAN2026 China Open International Taekwondo Championships (Kyorugi) · M-74kg · Quarter Finals
WINAugust 23, 2026Guansen NIU2 - 0Chenming XIAO2026 China Open International Taekwondo Championships (Kyorugi) · M-74kg · Round of 16
LOSSJuly 20, 2026Guansen NIU0 - 2Mironshokhmirzo MUZAFFAROV2026 Chuncheon Korea Open (Kyorugi) · M-74kg · Quarter Finals
WINJuly 20, 2026Guansen NIU2 - 0Krittayot PHROMPATJU2026 Chuncheon Korea Open (Kyorugi) · M-74kg · Round of 16
WINJuly 20, 2026Guansen NIU2 - 0Hyeongseung SIM2026 Chuncheon Korea Open (Kyorugi) · M-74kg · Round of 32
LOSSJune 18, 2026Guansen NIU1 - 2Zaid KAREEM2026 WT President's Cup Oceania (Kyorugi) · M-74kg · Semi Finals
WINJune 18, 2026Guansen NIU2 - 0Yu Jui HUANG2026 WT President's Cup Oceania (Kyorugi) · M-74kg · Quarter Finals
WINJune 18, 2026Guansen NIU2 - 0Takato KATOH2026 WT President's Cup Oceania (Kyorugi) · M-74kg · Round of 16
WINJune 18, 2026Guansen NIU2 - 0Alexander GIBSON2026 WT President's Cup Oceania (Kyorugi) · M-74kg · Round of 32
LOSSNovember 28, 2025Guansen NIU1 - 2Yufan CHEN2025 China Open International Taekwondo Championships (Kyorugi) · M-68kg · Finals
WINNovember 28, 2025Guansen NIU2 - 1Xingyu QIN2025 China Open International Taekwondo Championships (Kyorugi) · M-68kg · Semi Finals
WINNovember 28, 2025Guansen NIU2 - 0Shaohong XIAO2025 China Open International Taekwondo Championships (Kyorugi) · M-68kg · Quarter Finals
WINNovember 28, 2025Guansen NIU2 - 0Pinyi CHE2025 China Open International Taekwondo Championships (Kyorugi) · M-68kg · Round of 16
LOSSNovember 21, 2025Guansen NIU1 - 2Nazarali NAZAROVBangkok 2025 World Taekwondo Grand Prix Challenge · M-68kg · Round of 16
WINNovember 21, 2025Guansen NIU2 - 1Shishko DMITRIIBangkok 2025 World Taekwondo Grand Prix Challenge · M-68kg · Round of 32
LOSSNovember 2, 2025Guansen NIU0 - 2Jinho MUNWuxi 2025 World Taekwondo Grand Slam Challenge · M-68kg · Quarter Finals
WINNovember 2, 2025Guansen NIU2 - 1Berkay ERERWuxi 2025 World Taekwondo Grand Slam Challenge · M-68kg · Round of 16
WINNovember 2, 2025Guansen NIU2 - 0Lixingjun DIAOWuxi 2025 World Taekwondo Grand Slam Challenge · M-68kg · Round of 32
WINNovember 2, 2025Guansen NIU2 - 0Mingeon LEEWuxi 2025 World Taekwondo Grand Slam Challenge · M-68kg · Round of 64
LOSSAugust 29, 2025Guansen NIU1 - 2Sang Ryeol LEEMuju Taekwondowon 2025 World Taekwondo Grand Prix Challenge · M-68kg · Round of 32
WINAugust 23, 2025Guansen NIU2 - 0Zaid ALHALAWANI2025 WT President's Cup Oceania (Kyorugi) · M-68kg · Finals
WINAugust 23, 2025Guansen NIU2 - 0Xavier NIKOLOVSKI2025 WT President's Cup Oceania (Kyorugi) · M-68kg · Semi Finals
WINAugust 23, 2025Guansen NIU2 - 1Hao-Yu HSU2025 WT President's Cup Oceania (Kyorugi) · M-68kg · Quarter Finals
WINAugust 23, 2025Guansen NIU2 - 0Hamzeh Al NASHASHAustralian Open 2025 (Kyorugi) · M-68kg · Quarter Finals
WINAugust 23, 2025Guansen NIU2 - 0Zaki SULTANI2025 WT President's Cup Oceania (Kyorugi) · M-68kg · Round of 16
LOSSApril 29, 2025Guansen NIU0 - 2Damir SHULENOV13th Asian Club Taekwondo Championships · M-68kg · Finals
WINApril 29, 2025Guansen NIU2 - 1Mohammad Sadegh DEHGHANI13th Asian Club Taekwondo Championships · M-68kg · Semi Finals
WINApril 29, 2025Guansen NIU2 - 0Chenming XIAO13th Asian Club Taekwondo Championships · M-68kg · Quarter Finals
LOSSDecember 7, 2024Guansen NIU–Joan Jorquera CALAWuxi 2024 World Taekwondo Grand Slam Challenge · M-68kg · Round of 16
WINDecember 7, 2024Guansen NIU–Nursat BAKBERGENWuxi 2024 World Taekwondo Grand Slam Challenge · M-68kg · Round of 32
WINDecember 7, 2024Guansen NIU–Lixingjun DIAOWuxi 2024 World Taekwondo Grand Slam Challenge · M-68kg · Round of 64
LOSSJuly 10, 2024Guansen NIU0 - 2Zaid KAREEM2024 Chuncheon Korea Open (Kyorugi) · M-68kg · Semi Finals
WINJuly 10, 2024Guansen NIU2 - 1Ibrahim MAIGA2024 Chuncheon Korea Open (Kyorugi) · M-68kg · Quarter Finals
WINJuly 10, 2024Guansen NIU2 - 0Ibrahima FALL2024 Chuncheon Korea Open (Kyorugi) · M-68kg · Round of 32
