| Challenger Gwangju | 04/18 03:30 | 26 | [172] Seongchan Hong v 시마부쿠로, 소 [173] | 4-6,4-6 | |
| Challenger Gwangju | 04/16 05:10 | 25 | [239] 마르첸코, 일리아 v Seongchan Hong [172] | 3-6,2-6 | |
| Challenger Busan | 04/14 03:15 | 29 | 우치야마, 야스타카 v Seongchan Hong | 7-6,6-3 | |
| Challenger Busan | 04/13 04:50 | 28 | 권, 순우 v Seongchan Hong | Walkover | |
| Challenger Busan | 04/12 05:05 | 27 | [194] 웡, 차크 람 콜레만 v Seongchan Hong [201] | 4-6,6-3,2-6 | |
| Challenger Busan | 04/11 03:55 | 26 | [211] Mark Lajal v Seongchan Hong [201] | 4-6,4-6 | |
| Challenger Busan | 04/09 04:10 | 25 | [201] Seongchan Hong v 비르타넨, 오토 [159] | 6-2,6-2 | |
| Challenger Phoenix | 03/11 19:30 | 14 | [112] 고핀, 다비드 v Seongchan Hong [227] | 6-2,6-4 | |
| Indian Wells, USA | 03/07 22:15 | 23 | [81] Jakub Mensik v Seongchan Hong [227] | 6-3,6-4 | |
| Indian Wells, USA | 03/05 18:00 | 15 | [101] 나갈, 수미트 v Seongchan Hong [227] | 6-2,2-6,6-7 | |
| Indian Wells, USA | 03/04 18:00 | 14 | 권, 순우 v Seongchan Hong | 3-6,3-6 | |
| Challenger New Delhi | 02/27 05:45 | 25 | [221] Seongchan Hong v 보이엘, 트리스탄 [255] | 3-6,7-6,6-7 | |
| Pune, India | 02/20 05:45 | 25 | [221] Seongchan Hong v Kasnikowski, Maks [267] | 4-6,2-6 | |
| Challenger Bengaluru | 02/18 12:30 | 29 | [221] Seongchan Hong v 나콜리타노, 스테파노 [204] | 6-4,3-6,3-6 | |
| Challenger Bengaluru | 02/17 10:00 | 28 | [221] Seongchan Hong v 로카 바탈라, 오리올 [209] | 6-2,3-6,6-3 | |
| Challenger Bengaluru | 02/16 08:30 | 27 | [462] 라마나단, 람쿠마르 v Seongchan Hong [221] | 5-7,7-5,4-6 | |
| Challenger Bengaluru | 02/14 08:50 | 26 | 자크하로브, 알렉세이 v Seongchan Hong | 4-6,5-7 | |
| Challenger Bengaluru | 02/13 07:30 | 25 | [243] 스쿨케이트, 트리스탄 v Seongchan Hong [221] | 4-6,3-6 | |
| Challenger Bengaluru | 02/12 04:30 | 25 | 홍, 승찬 v 포스피실, 바세크 | Cancelled | |
| 파이널, 플레이오프 | 02/03 21:40 | 168 | [132] 디알로, 가브리엘 v Seongchan Hong [224] | 7-5,4-6,6-1 | |
| 파이널, 플레이오프 | 02/02 23:05 | 168 | [486] 포스피실, 바세크 v Seongchan Hong [224] | 6-4,6-3 | |
| Challenger Nonthaburi | 01/21 03:30 | 29 | [171] 기간트, 마테오 v Seongchan Hong [247] | 6-4,6-1 | |
| Challenger Nonthaburi | 01/20 03:30 | 28 | [279] 포니오, 기오바니 v Seongchan Hong [247] | 4-6,1-6 | |
| Challenger Nonthaburi | 01/19 03:30 | 27 | [213] 노바크, 데니스 v Seongchan Hong [247] | Retired | |
| Challenger Nonthaburi | 01/17 07:10 | 26 | [247] Seongchan Hong v 하산, 벤자민 [149] | 6-2,6-3 | |
| Challenger Nonthaburi | 01/16 04:15 | 25 | [247] Seongchan Hong v 로카 바탈라, 오리올 [210] | 3-6,7-6,6-3 | |
| Challenger Nonthaburi | 01/15 05:55 | 19 | [247] Seongchan Hong v 카루소, 살바토르 [289] | 6-2,6-7,6-2 | |
| Challenger Nonthaburi | 01/14 06:55 | 14 | Seongchan Hong v Siwanat Auytayakul | 7-6,6-1 | |
| Challenger Nonthaburi | 01/09 03:00 | 25 | [253] 홀트, 브란던 v Seongchan Hong [248] | 6-2,6-2 | |
| Challenger Nonthaburi | 01/05 04:00 | 28 | [329] 포우일, 루카스 v Seongchan Hong [273] | 6-3,6-3 |
Wikipedia - Hong Seong-chan
Hong Seong-chan (born 30 June 1997) is a South Korean tennis player. Hong has a career high ATP singles ranking of world No. 172 achieved on 15 April 2024 and a doubles ranking of No. 359 achieved on 16 January 2023. He is the current Korean No. 1 singles player.
Since 2015, Hong has been a member of the South Korean Davis Cup team.
History
Juniors
Hong reached the final of the 2015 Australian Open junior championships, falling to top seed Roman Safiullin in the final.
Hong had a career high junior ranking of No. 3.
2022: Maiden ATP Challenger title
He lifted his maiden trophy at the ATP 2022 Matsuyama Challenger.
2023-2024: Masters debut, Three Challenger finals
He reached the last round of qualifying at the 2023 Rolex Shanghai Masters.
Ranked No. 227, he qualified for the 2024 BNP Paribas Open having entered the qualifying competition as an alternate after Yosuke Watanuki‘s withdrawal, making his Masters debut.