| ITF M25 Ithaca | 2024/01/15 17:30 | Lazar Markovic v Pranav Kumar | 1-6,2-6 |
| ITF M15 Addis Ababa Qual | 2023/05/21 11:40 | Lazar Markovic v Guelfo Baldovinetti | 1-6,1-6 |
| ITF M15 Addis Ababa | 2023/05/15 09:25 | Denis Constantin Spiridon v Lazar Markovic | 6-0,6-3 |
| ITF M15 Addis Ababa | 2023/05/14 07:00 | Lazar Markovic v Alexey Dubinin | 7-6,6-4 |
| ITF M15 Orange Park | 2023/05/01 14:00 | Lazar Markovic v Ryan Haviland | 6-7,3-6 |
| ITF M15 Tacarigua | 2023/04/24 18:00 | Leo Vithoontien v Lazar Markovic | 6-1,6-1 |
| ITF M15 Tacarigua | 2023/04/23 20:30 | Maxwell Weishan v Lazar Markovic | 3-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/03/26 08:00 | Lazar Markovic v Karim Ibrahim | 5-7,5-7 |
| ITF M25 Gold Coast | 2023/11/26 00:00 | Hugo Joaquim Babakian v Paul Howe | 6-3,6-4 |
| ITF M25 Darwin | 2023/09/10 09:00 | Paul Howe v Flynn Caruana | 5-7,3-6 |
| UTR Pro Noda | 2023/08/27 00:00 | Paul Howe v Ryoma Ishii | 6-2,6-2 |
| UTR Pro Noda | 2023/08/26 00:00 | Hiromasa Koyama v Paul Howe | 6-7,6-7 |
| UTR Pro Noda | 2023/08/25 05:20 | Ryotaro Matsumura v Paul Howe | 6-2,6-0 |
| UTR Pro Noda | 2023/08/24 02:34 | Brody Nejedly-Krall v Paul Howe | 2-6,6-7 |
| UTR Pro Noda | 2023/08/22 05:32 | Marsel Znuderl v Paul Howe | 6-4,3-6,2-6 |
| UTR Pro Noda | 2023/08/21 00:30 | Paul Howe v Tomonobu Inagi | 3-6,5-7 |