Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| Rome, USA | 2023/02/20 21:40 | Illya Marchenko v Harrison, Ryan | 3-6,6-3,3-6 |
| Challenger - Cleveland | 2023/02/02 17:45 | Stefan Kozlov v Harrison, Ryan | 6-4,6-4 |
| Challenger - Cleveland | 2023/02/01 00:15 | Harrison, Ryan v Jaimee Floyd Angele | 6-2,6-1 |
| Challenger - Cleveland | 2023/01/30 15:00 | Klahn, Bradley v Harrison, Ryan | 3-6,6-7 |
| Challenger - Cleveland | 2023/01/29 18:50 | Mostardi, Nico v Harrison, Ryan | 3-6,4-6 |
| Challenger Columbus | 2022/09/20 14:00 | Harrison, Ryan v Paul Jubb | 6-7,4-6 |
| Challenger Cary | 2022/09/16 01:45 | Harrison, Ryan v Nick Chappell | 4-6,6-4,2-6 |
| Challenger Cary | 2022/09/14 00:10 | Aleksandar Vukic v Harrison, Ryan | 6-7,6-7 |
| ATP - Dallas | 2023/02/06 18:00 | Elmar Ejupovic v Alex Rybakov | 5-7,3-6 |
| ATP - Dallas | 2023/02/05 18:35 | Juncheng Shang v Elmar Ejupovic | 7-6,6-7,1-6 |
| Challenger - Cleveland | 2023/01/31 18:45 | Elmar Ejupovic v Tennys Sandgren | 2-6,7-6,6-7 |
| ITF - M25 Nussloch | 2023/01/27 18:55 | Matteo Martineau v Elmar Ejupovic | 4-6,7-6,7-6 |
| ITF - M25 Nussloch | 2023/01/26 17:00 | Bachinger, Matthias v Elmar Ejupovic | 4-6,4-6 |
| ITF - M25 Nussloch | 2023/01/25 11:50 | Haerteis, Johannes v Elmar Ejupovic | 5-7,6-7 |
| Challenger - Oeiras | 2023/01/10 12:10 | Elmar Ejupovic v Lorenzo Giustino | 4-6,5-7 |
| Challenger - Oeiras | 2023/01/09 12:45 | Elmar Ejupovic v Alberto Barroso Campos | 6-4,7-5 |