Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| Challenger Biel | 2023/03/20 13:45 | Karol Drzewiecki v Kirill Kivattsev | 4-6,3-6 |
| Challenger Biel | 2023/03/19 15:20 | Kirill Kivattsev v Mirko Martinez | 4-6,6-1,6-2 |
| ITF M25 Trimbach | 2023/03/16 09:00 | Kirill Kivattsev v Karl Friberg | 2-6,7-5,4-6 |
| ITF M25 Trimbach | 2023/03/14 12:05 | Kirill Kivattsev v Alexander Orlov | 6-1,6-4 |
| ITF M15 Creteil | 2023/03/08 13:55 | Kirill Kivattsev v Kalin Ivanovski | 6-2,4-6,6-7 |
| ITF M15 Oberhaching | 2023/02/15 16:20 | Kirill Kivattsev v Max Hans Rehberg | 2-6,2-6 |
| ITF M15 Oberhaching | 2023/02/13 11:30 | Kirill Kivattsev v Ben Jones | 6-4,7-6 |
| ITF M15 Oberhaching | 2023/02/12 16:00 | Kirill Kivattsev v Joe Tyler | 6-3,7-5 |
| ATP Dubaj | 2023/02/26 07:00 | Alexandar Lazarov v Francesco Passaro | 7-5,7-5 |
| ATP Dubaj | 2023/02/25 09:15 | Zhizhen Zhang v Alexandar Lazarov | 1-6,6-7 |
| Davis Cup | 2023/02/03 22:45 | Ajeet Rai v Alexandar Lazarov | 6-7,2-6 |
| ATP Auckland | 2023/01/07 01:35 | Alexandar Lazarov v Gregoire Barrere | 1-6,4-6 |
| Challenger Maia | 2022/12/01 11:00 | Alexandar Lazarov v Luca Van Assche | 3-6,4-6 |
| Challenger Maia | 2022/11/29 13:55 | Alexandar Lazarov v Alessandro Giannessi | 6-3,6-4 |
| Challenger Maia | 2022/11/28 11:00 | Alexandar Lazarov v Henrique Rocha | 7-5,6-4 |
| Challenger Maia | 2022/11/27 12:30 | Alexandar Lazarov v Kilian Feldbausch | 6-1,7-6 |