Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| Mornington, Singles Qualifying M-ITF-AUS-04A | 2019/03/18 01:00 | Alexander Klintcharov v Mason Naumovski | 6-4,6-1 |
| ITF M25 Cairns | 2019/09/18 00:00 | Alexander Klintcharov v Vuradin, Lucas | 6-3,2-6,3-6 |
| ITF M25 Edwardsville | 2019/08/07 17:10 | Ross, Gianni v Alexander Klintcharov | 6-4,6-4 |
| ITF M25 Edwardsville | 2019/08/06 16:40 | Alexander Klintcharov v Sorbo, Jonathan | 7-6,6-3 |
| ITF M25 Decatur | 2019/07/30 18:15 | Perez, Alfredo v Alexander Klintcharov | 6-4,6-3 |
| ITF M25 Champaign | 2019/07/23 15:00 | Alexander Klintcharov v Trey Hilderbrand | 2-6,6-4,8-10 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/16 16:55 | Alexander Klintcharov v Gomes, Gui | 6-3,6-7,4-10 |
| ITF M15 Norman | 2019/07/11 14:00 | Alexander Klintcharov v Mark Whitehouse | 6-3,4-6,3-6 |
| ITF M15 Norman | 2019/07/10 15:45 | Alexander Klintcharov v Chadwell, Ian | 6-4,2-6,6-1 |
| ITF M25 Darwin | 2019/09/22 00:30 | Cade Birrell v Mason Naumovski | 3-6,2-6 |
| ITF M25 Cairns | 2019/09/15 00:00 | Sitzoukis, Themi v Mason Naumovski | 4-6,6-1,11-9 |
| Mornington, Singles Qualifying M-ITF-AUS-04A | 2019/03/18 01:00 | Alexander Klintcharov v Mason Naumovski | 6-4,6-1 |
| ITF Australia F5 | 2018/09/16 01:30 | Mendez, Matthew v Mason Naumovski | 2-6,7-6,6-3 |
| ITF Australia F5 | 2018/09/15 03:30 | Mason Naumovski v Luke, Patrick | 6-4,6-4 |
| ITF Australia F5 | 2018/09/14 23:00 | Osborne, Zac v Mason Naumovski | 4-6,6-3,6-7 |
| ITF Australia F3 Qual | 2018/03/16 23:00 | Osborne, Zac v Mason Naumovski | 6-3,6-3 |
| ITF Australia F1 Qual | 2018/02/24 03:00 | Harper, Patrick v Mason Naumovski | 4-6,7-6,7-5 |