[284] Christian Harrison 6-4,6-4 Shuichi Sekiguchi [345] 2021-07-19 21:00
Stadium: Court 15 Round: 25 Ground: Hardcourt outdoor
Home History
| ITF M25 Bakio | 2021/07/02 17:30 | Christian Harrison v Hugo Grenier | 6-7,4-6 |
| ITF M25 Bakio | 2021/07/02 10:15 | Miguel Damas v Christian Harrison | 3-6,4-6 |
| ITF M25 Bakio | 2021/06/29 15:20 | Yannick Mertens v Christian Harrison | 2-6,6-3,4-6 |
| ATP Eastbourne | 2021/06/19 16:10 | Andreas Seppi v Christian Harrison | 6-3,6-3 |
| Challenger Orlando | 2021/06/10 14:00 | Christian Harrison v Emilio Gomez | 3-6,3-6 |
| Challenger Orlando | 2021/06/08 15:45 | Christian Harrison v Hiroki Moriya | 6-0,6-2 |
| Challenger Little Rock | 2021/05/31 23:00 | Jason Jung v Christian Harrison | 6-1,6-2 |
| ITF M25 Pensacola | 2021/05/20 16:25 | Oliver Crawford v Christian Harrison | 6-4,7-6 |
Away History
| Challenger Salinas 2 | 2021/04/27 18:40 | Shuichi Sekiguchi v Pedro Sakamoto | 2-6,4-6 |
| Challenger Salinas | 2021/04/21 15:00 | Shuichi Sekiguchi v Nicolas Jarry | 1-6,2-6 |
| Challenger Salinas | 2021/04/19 16:00 | Hiroki Moriya v Shuichi Sekiguchi | 1-6,6-7 |
| Challenger Orlando | 2021/04/12 15:30 | Altug Celikbilek v Shuichi Sekiguchi | 4-6,6-4,7-5 |
| Challenger Cleveland | 2021/03/16 18:40 | Alexis Galarneau v Shuichi Sekiguchi | 6-3,6-1 |
| Challenger St. Petersburg | 2021/03/08 10:00 | Duje Ajdukovic v Shuichi Sekiguchi | 7-5,6-2 |
| Challenger St. Petersburg | 2021/03/01 13:45 | Shuichi Sekiguchi v Cem Ilkel | 3-6,2-6 |
| ITF M25 Rodez | 2020/10/14 12:20 | Maxime Hamou v Shuichi Sekiguchi | 4-6,7-6,7-6 |