Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Naples | 2023/03/01 16:25 | ZhengQing Ji v Lukas H Lilleengen | 7-5,6-3 |
| ITF M15 Naples | 2023/02/28 14:30 | Arthur Bonnaud v Lukas H Lilleengen | 2-6,5-7 |
| ITF M15 Naples | 2023/02/20 15:00 | Oren Vasser v Lukas H Lilleengen | 6-3,0-6,10-2 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/25 10:00 | Lukas H Lilleengen v Constantin Bittoun Kouzmine | 2-6,6-3,3-6 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/23 14:10 | Lukas H Lilleengen v Maxence Rivet | 6-3,2-6,10-7 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/22 14:00 | Lukas H Lilleengen v Louis Larue | 6-2,6-1 |
| ITF M15 Vilnius | 2023/01/15 08:00 | Lukas H Lilleengen v Henrik Bladelius | 5-7,4-6 |
| ITF M25 Monastir | 2022/10/24 08:00 | Lukas H Lilleengen v Ye Cong Mo | 0-6,1-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/14 10:25 | Jiri Vesely v Alex Knaff | 7-5,6-4 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 13:20 | Szymon Kielan v Alex Knaff | 3-6,0-6 |
| ITF M15 Raanana | 2023/08/04 10:25 | Amit Vales v Alex Knaff | 6-4,6-2 |
| ITF M15 Raanana | 2023/08/03 07:25 | Lior Goldenberg v Alex Knaff | 3-6,3-6 |
| ITF M15 Raanana | 2023/08/02 07:30 | Ron Ellouck v Alex Knaff | 1-6,2-6 |
| ITF M15 Raanana | 2023/08/01 07:00 | Luca Fantini v Alex Knaff | 3-6,6-7 |
| ITF M25 Esch/Alzette | 2023/07/23 13:00 | Alex Knaff v Marlon Vankan | 6-3,6-1 |
| ITF M25 Esch/Alzette | 2023/07/22 14:25 | Alex Knaff v Mikalai Haliak | 7-6,6-4 |