Stadium: Court 9 Round: 44 Ground: Clay
| ITF M25 Canberra | 2023/03/15 23:00 | Dayne Kelly v Naoki Tajima | 6-1,6-2 |
| ITF M25 Canberra | 2023/03/14 23:00 | Ko Suzuki v Naoki Tajima | 2-6,5-7 |
| ITF M25 Canberra | 2023/03/13 23:00 | Naoki Tajima v Marin Dumitru | 6-3,6-1 |
| ITF M25 Canberra | 2023/03/13 01:30 | Naoki Tajima v Jamie Krattiger | 6-1,6-3 |
| ITF M15 Monastir | 2023/02/12 08:30 | Niccolo Baroni v Naoki Tajima | 6-2,6-2 |
| ITF M15 Monastir | 2023/02/06 10:55 | Aleksi Lofman v Naoki Tajima | 7-5,6-2 |
| ITF M15 Monastir | 2023/02/05 11:00 | Oskari Eerola v Naoki Tajima | 2-6,1-6 |
| ITF M15 Jakarta | 2023/01/24 02:00 | Woobin Shin v Naoki Tajima | 6-0,6-4 |
| ITF M25 Canberra | 2023/03/19 02:30 | Cade Birrell v Mason Naumovski | 6-3,2-6,8-10 |
| ITF M25 Canberra | 2023/03/13 01:30 | Alexander Klintcharov v Mason Naumovski | 6-3,6-4 |
| ITF M25 Swan Hill | 2023/03/01 02:50 | Mason Naumovski v Matthew Dellavedova | 3-6,6-4,2-6 |
| ITF M25 Swan Hill | 2023/02/27 23:00 | Blake Bayldon v Mason Naumovski | 6-1,4-6,9-11 |
| ITF M25 Swan Hill | 2023/02/27 00:00 | Mason Naumovski v Adrian Arcon | 6-3,6-7,10-6 |
| ITF M25 Swan Hill | 2023/02/25 23:00 | Mason Naumovski v Rhys Xavier | 6-4,6-0 |
| ITF M25 Swan Hill | 2023/02/20 01:30 | Stefan Vujic v Mason Naumovski | 6-7,6-4,10-3 |
| ITF M25 Swan Hill | 2023/02/19 01:30 | Mason Naumovski v James Elia | 6-2,7-6 |