Stadium: Court 5 Round: 26 Ground: Clay
| ITF Turkey F8 | 2017/02/27 07:00 | Sarp Agabigun v Seong Chan Hong | 1-6,7-6,7-5 |
| Challenger Columbus | 2021/09/19 20:10 | Aleksandar Kovacevic v Seong Chan Hong | 4-6,7-5,7-5 |
| ITF M15 Monastir | 2021/07/04 08:00 | Seong Chan Hong v Luca Giacomini | 7-5,6-3 |
| ITF M15 Monastir | 2021/07/03 08:30 | Moez Echargui v Seong Chan Hong | 3-6,0-6 |
| ITF M15 Monastir | 2021/07/02 08:30 | Seong Chan Hong v Hady Habib | 6-2,6-2 |
| ITF M15 Monastir | 2021/07/01 08:30 | Seong Chan Hong v Samuel Vincent Ruggeri | 6-1,6-1 |
| ITF M15 Monastir | 2021/06/23 13:10 | Seong Chan Hong v Terence Atmane | 4-6,4-6 |
| ITF M15 Monastir | 2021/06/15 08:30 | Luciano Darderi v Seong Chan Hong | 6-4,6-4 |
| ITF M15 Monastir | 2021/06/11 08:30 | Guy Orly Iradukunda v Seong Chan Hong | 6-4,6-4 |
| Challenger Antalya | 2021/12/08 13:15 | Sarp Agabigun v Filip Cristian Jianu | 0-6,5-7 |
| Challenger Antalya | 2021/11/29 07:00 | Oliver Crawford v Sarp Agabigun | 6-3,6-0 |
| ITF M15 Antalya | 2021/11/24 06:30 | Alex M Pujolras v Sarp Agabigun | 6-0,6-0 |
| ITF M15 Antalya | 2021/10/27 07:00 | Sarp Agabigun v Marsel Ilhan | 6-3,4-6,4-6 |
| ITF M15 Sozopol | 2021/10/14 17:15 | Andrew Paulson v Sarp Agabigun | 6-2,6-3 |
| ITF M15 Sozopol | 2021/10/14 08:30 | Sarp Agabigun v Tommaso Compagnucci | 7-5,3-6,11-9 |
| ITF M15 Sozopol | 2021/10/05 13:30 | Sarp Agabigun v Gabriel Donev | 5-7,5-7 |
| Challenger Istanbul | 2021/09/13 09:00 | Sarp Agabigun v Hugo Grenier | 4-6,6-3,4-6 |