SEO, Sangyong (KOR) 2005

Gyor Cadet European Cup 2022 (HUN) (-66 kg Cadet) IJF

WON Round 2 01:10	SEO, Sangyong (KOR) 2005	`1--/0`
	RADUCANU, Ionut (ROU) 2007	`---/0`

LOST Round 3 00:24	SEO, Sangyong (KOR) 2005	`---/0`
	KATIC, Luka (CRO) 2006	`-1-/1`

WON Repechage Round 2 00:49	KOZUL, Petar (BIH) 2005	`---/0`
	SEO, Sangyong (KOR) 2005	`11-/2`

LOST Repechage Round 3 00:08	SEO, Sangyong (KOR) 2005	`---/0`
	MANUSIA, Nicolo (ITA) 2005	`-1-/1`

Asian Cadet Championships 2022 (THA) (-66 kg Cadet) IJF Silver

WON Round 1 05:58	KHUSANOV, Saddam (UZB) 2005	`---/2`
	SEO, Sangyong (KOR) 2005	`-1-/2`

WON Quarter-Final 00:00	SEO, Sangyong (KOR) 2005	`1--/0`
	ALKANDARI, Ali (KUW) 2005	`---/1`

WON Semi-Final 05:24	SEO, Sangyong (KOR) 2005	`1--/0`
	NURTAY, Zhalyn (KAZ) 2005	`-1-/2`

LOST Final 01:38	OTABOEV, Shohjakhon (UZB) 2005	`11-/0`
	SEO, Sangyong (KOR) 2005	`---/0`