Stadium: Court 18 Round: 44 Ground: Clay
| 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 M15 Jakarta Qual | 2023/01/23 04:10 | Claudio Renardi Lumanau v Naoki Tajima | 0-6,2-6 |
| ITF M15 Jakarta | 2023/01/17 02:00 | Yunseok Jang v Naoki Tajima | 6-3,3-6,10-4 |
| ITF M15 Jakarta | 2023/01/16 02:30 | Sai K R Ganta v Naoki Tajima | 6-7,3-6 |
| ITF M25 Traralgon | 2022/11/24 23:00 | Naoki Tajima v Mark Whitehouse | 3-6,1-6 |
| ITF M25 Canberra | 2023/03/11 23:00 | Timmy Karpinski v Jamie Krattiger | 4-6,3-6 |
| ITF M25 Swan Hill | 2023/02/27 01:30 | Patrick Fitzgerald v Jamie Krattiger | 6-4,6-4 |
| ITF M25 Swan Hill | 2023/02/25 23:00 | Jamie Krattiger v Liam Puttergill | 6-7,6-3,10-4 |
| ITF M25 Swan Hill | 2023/02/19 23:00 | Tomislav E Papac v Jamie Krattiger | 7-6,6-1 |
| ITF M25 Swan Hill | 2023/02/18 23:00 | Timmy Karpinski v Jamie Krattiger | 6-7,4-6 |
| ITF M25 Burnie | 2023/02/05 02:30 | Jamie Krattiger v Winter Meagher | 4-6,2-6 |
| ITF M15 Antalya | 2022/11/02 12:00 | Corentin Denolly v Jamie Krattiger | 7-5,6-2 |
| ITF M15 Antalya | 2022/10/24 10:20 | Paul Woerner v Jamie Krattiger | 6-4,6-3 |