LOSSJune 20, 2026Seiji OKAZAKI0 - 2Ngai Long CHAUAustralian Open 2026 (Kyorugi) · M-54kg · Quarter Finals
WINJune 20, 2026Seiji OKAZAKI2 - 0Yuen Fung CHENGAustralian Open 2026 (Kyorugi) · M-54kg · Round of 16
LOSSJune 18, 2026Seiji OKAZAKI1 - 2Ngai Long CHAU2026 WT President's Cup Oceania (Kyorugi) · M-54kg · Quarter Finals
WINJune 18, 2026Seiji OKAZAKI2 - 1Keston PANG2026 WT President's Cup Oceania (Kyorugi) · M-54kg · Round of 16
LOSSOctober 1, 2024Seiji OKAZAKI1 - 2Ahmed Yahya Mohamed El SAYEDChuncheon 2024 World Taekwondo Junior Championships · M-51kg · Round of 16
WINOctober 1, 2024Seiji OKAZAKI2 - 0Yu-Chieh CHANGChuncheon 2024 World Taekwondo Junior Championships · M-51kg · Round of 32
WINOctober 1, 2024Seiji OKAZAKI2 - 0Oliver Gaspar Flores CAUICHChuncheon 2024 World Taekwondo Junior Championships · M-51kg · Round of 64
LOSSFebruary 17, 2024Seiji OKAZAKI0 - 2Joaquin Patrick LUCIANO2024 U.S. Open Championships (Kyorugi) · M-51kg · Round of 16
WINFebruary 17, 2024Seiji OKAZAKI2 - 1Michael IGNACIO2024 U.S. Open Championships (Kyorugi) · M-51kg · Round of 32
LOSSAugust 2, 2022Seiji OKAZAKI0 - 2Stelios IOANNOUSofia 2022 World Taekwondo Junior Championships · M-48kg · Round of 64
