| Challenger de Rome GA | 02/24 16:00 | 27 | Seong Chan Hong v Toby Alex Kodat | 4-6,6-3,6-4 | |
| Challenger de Rome GA | 02/23 16:00 | 26 | [235] Seong Chan Hong v Gabriel Decamps [363] | 6-1,6-0 | |
| Challenger de Rome GA | 02/21 18:10 | 25 | Seong Chan Hong v Gabriele T Brancatelli | 6-1,6-3 | |
| Challenger de Chennai | 02/15 06:45 | 26 | [229] Arthur Cazaux v Seong Chan Hong [245] | 6-3,6-4 | |
| Challenger de Chennai | 02/13 08:20 | 25 | [245] Seong Chan Hong v Sebastian Ofner [155] | 6-4,6-3 | |
| Copa Davis | 02/05 06:50 | 45 | [237] Seong Chan Hong v Zizou Bergs [115] | 6-3,7-6 | |
| Copa Davis | 02/04 04:40 | 45 | [237] Seong Chan Hong v David Goffin [41] | 4-6,2-6 | |
| Challenger de Nonthaburi | 01/21 03:30 | 28 | [261] Sho Shimabukuro v Seong Chan Hong [257] | 6-2,7-5 | |
| Challenger de Nonthaburi | 01/20 03:30 | 27 | [252] Michael Geerts v Seong Chan Hong [257] | 1-6,5-7 | |
| Challenger de Nonthaburi | 01/18 05:25 | 26 | [257] Seong Chan Hong v Nam Hoang Ly [247] | 6-2,7-6 | |
| Challenger de Nonthaburi | 01/16 06:45 | 25 | Seong Chan Hong v Kasidit Samrej | 6-4,6-4 | |
| Challenger de Nouméa | 01/02 07:40 | 25 | [252] Seong Chan Hong v Thomas Fancutt [375] | 4-6,6-3,3-6 | |
| Challenger de Matsuyama | 11/13 04:00 | 29 | [204] Tung-Lin Wu v Seong Chan Hong [371] | 3-6,2-6 | |
| Challenger de Matsuyama | 11/12 03:10 | 28 | [355] Shintaro Mochizuki v Seong Chan Hong [371] | 1-6,6-2,3-6 | |
| Challenger de Matsuyama | 11/11 03:05 | 27 | [422] Jason Jung v Seong Chan Hong [371] | 1-6,4-6 | |
| Challenger de Matsuyama | 11/10 01:00 | 26 | [371] Seong Chan Hong v Nino Serdarusic [254] | 6-4,6-2 | |
| Challenger de Matsuyama | 11/08 01:00 | 25 | [371] Seong Chan Hong v Mukund Sasikumar [349] | 6-2,6-1 | |
| Challenger de Matsuyama | 11/07 01:00 | 19 | Seong Chan Hong v Shinji Hazawa | 6-3,6-4 | |
| Challenger de Yokohama | 11/01 02:15 | 25 | [382] Seong Chan Hong v Kaichi Uchida [172] | 6-3,5-7,3-6 | |
| Challenger de Yokohama | 10/31 01:30 | 19 | Seong Chan Hong v Keisuke Saitoh | 6-2,7-5 | |
| Challenger de Busan | 10/22 06:00 | 28 | [470] Seong Chan Hong v Radu Albot [85] | 6-7,3-6 | |
| Challenger de Busan | 10/21 06:45 | 27 | [135] John Millman v Seong Chan Hong [470] | 6-3,4-6,5-7 | |
| Challenger de Busan | 10/20 02:00 | 26 | [470] Seong Chan Hong v Yunseong Chung [395] | 6-3,7-5 | |
| Challenger de Busan | 10/18 04:25 | 25 | [470] Seong Chan Hong v Li Tu [190] | 6-3,3-6,6-1 | |
| Challenger de Busan | 10/17 02:00 | 19 | [287] Max Purcell v Seong Chan Hong [472] | 7-6,6-0 | |
| Challenger de Busan | 10/16 01:30 | 14 | Suk Ann v Seong Chan Hong | 2-6,2-6 | |
| Challenger Gwangju | 10/04 07:45 | 25 | [371] Mukund Sasikumar v Seong Chan Hong [467] | 4-6,6-1,7-5 | |
| ATP Seúl | 09/26 10:00 | 25 | [471] Seong Chan Hong v Kaichi Uchida [163] | 4-6,2-6 | |
| Copa Davis | 09/18 14:00 | 1 | [21] Roberto Bautista-Agut v Seong Chan Hong [467] | 6-1,6-3 | |
| Copa Davis | 09/15 14:00 | 1 | [467] Seong Chan Hong v Dusan Lajovic [92] | 4-6,0-6 |
Wikipedia - Hong Seong-chan
- Este es un nombre coreano; el apellido es Hong.
Seong-chan Hong (Gangwon, 30 de junio de 1997) es un tenista profesional surcoreano.