| Challenger - Morelos | 04/08 17:00 | 19 | [419] Facundo Mena v Matthew C Romios [122] | 6-4,6-1 | |
| Challenger - Morelos | 04/07 16:00 | 14 | [122] Matthew C Romios v Ezekiel Clark [384] | 6-3,3-6,6-3 | |
| Challenger - Gérone | 03/24 10:10 | 14 | [285] Nikolas Sanchez Izquierdo v Matthew C Romios [119] | 6-0,6-1 | |
| Challenger - Burnie - Qualifications | 02/04 05:20 | 45 | Matthew C Romios v Shintaro Imai | Cancelled | |
| Challenger - Burnie | 01/27 23:00 | 45 | Matthew C Romios v Shintaro Imai | 6-7,1-6 | |
| Challenger Canberra | 12/30 23:00 | 45 | [131] Matthew C Romios v Rudolf Molleker [194] | 2-6,6-7 | |
| Challenger Sydney | 10/29 23:00 | 19 | Matthew C Romios v Matthew Dellavedova | 6-7,6-3,1-6 | |
| Challenger Sydney | 10/28 23:00 | 45 | [456] Thomas Fancutt v Matthew C Romios [137] | 1-6,3-6 | |
| Challenger - Guangzhou | 09/10 05:10 | 14 | [419] Stefanos Sakellaridis v Matthew C Romios [186] | Retired | |
| Challenger Shanghai | 09/04 09:20 | 19 | Matthew C Romios v Tao Mu | 4-6,0-6 | |
| Challenger Shanghai | 09/04 03:00 | 14 | [379] Sinclair, Colin v Matthew C Romios [186] | 4-6,4-6 | |
| Zhangjiagang, China | 08/28 07:00 | - | Matthew C Romios v Leonid Sheyngezikht | 4-6,6-3,4-6 | |
| Zhangjiagang, China | 08/27 02:00 | 45 | [432] Evgeny Karlovskiy v Matthew C Romios [187] | 2-6,4-6 | |
| Challenger Trieste | 07/16 10:00 | 14 | [401] Carlos Sanchez Jover v Matthew C Romios [272] | 6-4,6-2 | |
| Challenger Salzburg | 07/09 10:00 | 14 | [368] Maxime Chazal v Matthew C Romios [272] | 6-4,6-2 | |
| ITF M25 Poprad | 06/23 08:00 | 27 | Romios, Matthew Christopher v Toby Kodat | 2-6,4-6 | |
| ITF M25 Poprad | 06/22 10:05 | 26 | [267] Lukas Neumayer v Romios, Matthew Christopher [270] | 6-4,1-6,6-7 | |
| ITF M25 Poprad | 06/20 08:00 | 25 | Romios, Matthew Christopher v Filip Apltauer | 7-6,6-2 | |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 06/05 11:00 | 62 | Romios, Matthew Christopher v Andrej Krajcik | Cancelled | |
| ITF M25 Jakarta | 04/26 03:40 | 25 | Romios, Matthew Christopher v Rogers, Andrew | 5-7,6-2,6-7 | |
| ITF M25 Jakarta | 04/25 02:00 | 44 | Romios, Matthew Christopher v Bharath Nishok Kumaran | 6-4,6-0 | |
| ITF M25 Jakarta | 04/24 02:00 | 44 | Romios, Matthew Christopher v Putu Agassi Pranata Nida | 6-1,6-0 | |
| ITF M25 Jakarta | 04/17 02:30 | 44 | Tomohiro Masabayashi v Romios, Matthew Christopher | Retired | |
| Canberra, Singles M-ITF-AUS-06A | 03/22 02:40 | 25 | Matthew Dellavedova v Romios, Matthew Christopher | 6-3,6-4 | |
| Canberra, Singles M-ITF-AUS-06A | 03/16 01:05 | 26 | Tatsuma Ito v Romios, Matthew Christopher | 6-3,1-6,6-3 | |
| Canberra, Singles M-ITF-AUS-06A | 03/15 03:30 | 25 | [317] Romios, Matthew Christopher v Philip Sekulic [483] | 6-4,6-1 | |
| ITF - M25 Swan Hill | 03/01 01:45 | 25 | Talic, Zaharije-Zak v Romios, Matthew Christopher | Cancelled | |
| ITF - M25 Swan Hill | 02/23 00:50 | 26 | [76] Luke Saville v Romios, Matthew Christopher [321] | 4-6,6-3,6-3 | |
| ITF - M25 Swan Hill | 02/22 01:00 | 25 | Jesse Delaney v Romios, Matthew Christopher | 4-6,4-6 | |
| ITF M25 Burnie | 02/09 04:00 | 26 | [288] Alex Bolt v Romios, Matthew Christopher [312] | 6-1,6-0 |