| WTT Feeder Havirov | 04/16 11:40 | 4 | Milosz Redzimski v Seongil Jang | L | 3-2 | |
| WTT Feeder Havirov | 04/15 16:35 | 5 | Seongil Jang v Junsung Oh | W | 3-2 | |
| WTT Feeder Havirov | 04/15 11:25 | 6 | Seongil Jang v 스토야노프, 니아골 | W | 3-1 | |
| WTT Feeder Havirov Quals | 04/14 18:25 | - | Seongil Jang v 이우, 콴 토 | W | 3-1 | |
| WTT Feeder Havirov Quals | 04/14 14:30 | 5 | 사이프레드, 조 v Seongil Jang | W | 1-3 | |
| WTT Feeder Havirov Quals | 04/14 08:45 | 6 | 라카토스, 타마스 v Seongil Jang | W | 0-3 | |
| WTT Feeder Dusseldorf Quals | 04/09 15:55 | - | Seongil Jang v Juan Perez | L | 0-3 | |
| WTT Feeder Dusseldorf Quals | 04/09 11:30 | - | 쿠비크, 마치에이 v Seongil Jang | W | 2-3 | |
| WTT Feeder Dusseldorf Quals | 04/08 14:20 | - | Esteban Dorr v Seongil Jang | W | 2-3 | |
| WTT Feeder Varazdin Quals | 04/03 13:15 | - | Amirreza Abbasi v Seongil Jang | L | 3-2 | |
| WTT Feeder Varazdin Quals | 04/03 10:40 | - | 가세프, 알렉사 v Seongil Jang | W | 2-3 | |
| WTT Feeder Otocec Quals | 03/28 15:35 | - | Seongil Jang v 김, 민혁 | L | 2-3 |