[462] Yannick Mertens 2-6,6-3,4-6 Christian Harrison [292] 2021-06-29 15:20
Stadium: Pista 2 Round: 25 Ground: Hardcourt outdoor
Home History
| ITF M15 Marbella | 2021/05/30 09:00 | Diego F Flores v Yannick Mertens | 2-6,1-6 |
| ITF M15 Marbella | 2021/05/29 07:55 | Yannick Mertens v Nicolas Alvarez Varona | 1-6,7-5,6-3 |
| ITF M15 Marbella | 2021/05/28 10:25 | Alejandro Moro Canas v Yannick Mertens | 4-6,5-7 |
| ITF M15 Marbella | 2021/05/27 09:20 | Maxime Mora v Yannick Mertens | 5-7,0-6 |
| ITF M15 Marbella | 2021/05/25 09:00 | Francisco Andreu Garcia v Yannick Mertens | 6-7,1-6 |
| ITF M15 Troisdorf | 2021/05/14 11:00 | Yannick Mertens v Elmar Ejupovic | 2-6,1-6 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Yannick Mertens v Luke Johnson | 7-6,6-4 |
| ITF M15 Troisdorf | 2021/05/12 12:00 | Yannick Mertens v Max Wiskandt | 7-6,6-3 |
Away History
| 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 |
| ITF M25 Pensacola | 2021/05/19 14:30 | Evan Zhu v Christian Harrison | 3-6,6-4,1-6 |
| Challenger Orlando | 2021/04/17 15:00 | Christian Harrison v Jenson Brooksby | 5-7,1-6 |
| Challenger Orlando | 2021/04/16 15:00 | Jack Sock v Christian Harrison | 6-7,3-6 |