Jang Seongil: results and match history
Record
| Year | Wins | Losses |
|---|---|---|
| 2026 | 18 | 9 |
| Total | 18 | 9 |
Matches by tournament
WTT Feeder Senec 2026 April 18–22, 2026
| L | Mixed doubles Semifinals | Akash Pal / Sutirtha Mukherjee IND vs Jang Seongil / Lee Daeun KOR 3-0 11-7, 11-6, 11-9 |
| L | Men's singles Round of 16 | Yang Wang SVK vs Jang Seongil KOR 3-2 10-12, 11-9, 11-4, 8-11, 11-4 |
| W | Mixed doubles Quarterfinals | Samuel Arpas / Barbora Varady SVK vs Jang Seongil / Lee Daeun KOR 0-3 7-11, 4-11, 9-11 |
| W | Men's singles Round of 32 | Jang Seongil KOR vs Aditya Sareen AUS 3-0 11-5, 11-5, 11-8 |
| L | Men's doubles Round of 16 | Jang Seongil / Kwon Hyuk KOR vs Kobayashi Hiromu / Suzuki Hayate JPN 1-3 7-11, 6-11, 11-9, 2-11 |
| W | Men's singles Round of 64 | Jang Seongil KOR vs Rafael De Las Heras ESP 3-0 11-7, 11-5, 12-10 |
| W | Mixed doubles Round of 16 | Jang Seongil / Lee Daeun KOR vs Alexander Valuch / Monika Marouskova SVK 3-0 11-6, 11-4, 12-10 |
| W | Men's singles Group 1 | Jang Seongil KOR vs Jakub Holubcik SVK 3-0 11-4, 11-8, 11-7 |
| W | Men's singles Group 1 | Jang Seongil KOR vs Jakub Makara CZE 3-2 11-5, 11-7, 18-20, 9-11, 11-3 |
WTT Feeder Havirov 2026 April 13–17, 2026
| L | Men's doubles Quarterfinals | Chan Baldwin / Yiu Kwan To HKG vs Jang Seongil / Kwon Hyuk KOR 3-2 11-7, 11-6, 5-11, 9-11, 11-9 |
| W | Men's doubles Round of 16 | Jang Seongil / Kwon Hyuk KOR vs Samuel Arpas / Mykhailo Lovha SVK 3-1 12-10, 11-13, 12-10, 11-8 |
| L | Men's singles Round of 64 | Jang Seongil KOR vs Andrei Putuntica MDA 2-3 8-11, 13-11, 9-11, 11-8, 9-11 |
| W | Men's singles Qualifying, elimination round | Jang Seongil KOR vs Alexander Valuch SVK 3-2 10-12, 7-11, 11-7, 11-8, 11-5 |
| W | Men's singles Group 9 | Zhenlong Liu AUT vs Jang Seongil KOR 2-3 11-9, 10-12, 11-8, 7-11, 7-11 |
| W | Men's singles Group 9 | Jang Seongil KOR vs Sam Boccard SUI 3-0 15-13, 11-8, 11-6 |
| L | Mixed doubles Qualifying round 1 | Jang Seongil / Lee Daeun KOR vs Radim Moravek / Jana Vasendova CZE 1-3 5-11, 7-11, 11-8, 12-14 |
WTT Feeder Cappadocia II 2026 April 8–11, 2026
| L | Men's singles Semifinals | Jang Seongil KOR vs Ivor Ban CRO 1-3 9-11, 11-6, 3-11, 10-12 |
| L | Mixed doubles Semifinals | Harmeet Desai / Yashaswini Ghorpade IND vs Jang Seongil / Heo Yerim KOR 3-1 3-11, 11-9, 11-8, 11-7 |
| W | Men's singles Quarterfinals | Jang Seongil KOR vs Andrej Gacina CRO 3-2 11-7, 7-11, 9-11, 11-8, 11-7 |
| W | Men's singles Round of 16 | Akash Pal IND vs Jang Seongil KOR 2-3 5-11, 12-10, 11-4, 9-11, 11-13 |
| L | Men's doubles Quarterfinals | Yokotani Jo / Kiho Keisuke JPN vs Jang Seongil / Kwon Hyuk KOR 3-1 11-8, 11-7, 3-11, 11-9 |
| W | Mixed doubles Quarterfinals | Akash Pal / Sreeja Akula IND vs Jang Seongil / Heo Yerim KOR 1-3 12-14, 11-7, 5-11, 11-13 |
| W | Men's singles Round of 32 | Payas Jain IND vs Jang Seongil KOR 0-3 9-11, 6-11, 9-11 |
| W | Men's doubles Round of 16 | Jang Seongil / Kwon Hyuk KOR vs Jakub Kaucky / Lubomir Pistej CZE/SVK 3-2 8-11, 7-11, 11-9, 11-5, 14-12 |
| W | Mixed doubles Round of 16 | Jang Seongil / Heo Yerim KOR vs Omar Taher / Nursema Coklar IRQ/TUR 3-0 11-7, 11-6, 11-7 |
| W | Men's singles Group 2 | Jang Seongil KOR vs Berk Oztoprak TUR 3-0 11-7, 11-6, 11-7 |
| W | Men's singles Group 2 | Kenan Kahraman TUR vs Jang Seongil KOR 2-3 6-11, 16-14, 12-10, 7-11, 7-11 |
Source: WTT official results. Updated October 31, 2026. worldtabletennis.com