| ITF - M25 Naples | 2021/02/22 16:00 | Ronan Jachuck v Christian Langmo | 6-7,3-6 |
| ITF - M25 Naples | 2021/02/15 16:00 | Ronan Jachuck v Govind Nanda | 3-6,1-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/23 17:00 | Nick Chappell v Ronan Jachuck | 6-4,2-6,5-4 |
| Flórida - UTR Pro Tennis Series | 2021/01/22 18:00 | Ronan Jachuck v Tommaso Carnevale-Miino | 6-3,6-3 |
| Flórida - UTR Pro Tennis Series | 2021/01/21 19:30 | Ronan Jachuck v JC Aragone | 4-6,7-5,6-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/20 20:00 | Benjamin Lock v Ronan Jachuck | 1-6,4-5 |
| Flórida - UTR Pro Tennis Series | 2021/01/19 17:00 | Ignacio Garcia v Ronan Jachuck | 5-7,0-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/15 14:00 | Joshua Sheehy v Ronan Jachuck | 6-2,6-4 |