| ITF M25 Huzhou | 10/23 03:30 | - | Grigoriy Lomakin v Kuan-Yi Lee | 4-6,1-6 | |
| ITF M25 Huzhou | 10/22 04:32 | - | Zhenxiong Dong v Grigoriy Lomakin | 4-6,2-6 | |
| ITF M15 Kayseri | 10/03 07:00 | - | Ammar Faleh Alhogbani v Grigoriy Lomakin | 7-5,6-3 | |
| ITF M15 Kayseri | 10/01 12:41 | - | Grigoriy Lomakin v Nicolas Tepmahc | 6-4,3-6,6-4 | |
| ITF M15 Kayseri | 09/25 07:00 | - | Grigoriy Lomakin v Aleksandr Braynin | 0-6,1-6 | |
| ITF M15 Kayseri | 09/24 11:46 | - | Zura Tkemaladze v Grigoriy Lomakin | 4-6,6-1,2-6 | |
| ITF M25 Bali | 09/10 02:00 | - | Grigoriy Lomakin v Digvijay Pratap Singh | 3-6,6-3,3-6 | |
| ITF M25 Bali | 09/04 02:00 | - | Grigoriy Lomakin v Alexander Chang | 3-6,2-6 | |
| ITF M25 Bali | 09/02 02:00 | - | Grigoriy Lomakin v Joris Hoogland | 6-2,6-4 | |
| ITF M15 Nakhon Pathom | 08/26 02:00 | - | Grigoriy Lomakin v Arjun Mehrotra | 6-7,6-7 | |
| ITF M15 Nakhon Pathom | 08/20 05:00 | - | Maxim Shin v Grigoriy Lomakin | 7-6,0-6,5-3 | |
| ITF M25 Yinchuan | 08/13 05:00 | - | [400] Sanhui Shin v Grigoriy Lomakin [408] | 2-6,6-4,6-2 | |
| ITF M15 Astana | 08/06 09:30 | - | Mikhail Dubrouski v Grigoriy Lomakin | 6-3,6-4 | |
| Challenger Astana | 07/27 08:25 | 14 | [444] Taisei Ichikawa v Grigoriy Lomakin [398] | 6-4,3-6,7-6 | |
| ITF M15 Monastir | 07/08 13:32 | - | Cyril Vandermeersch v Grigoriy Lomakin | 5-7,6-2,6-4 | |
| ITF M15 Monastir | 07/03 08:00 | - | Grigoriy Lomakin v Amr Elsayed | 3-6,4-6 | |
| ITF M15 Monastir | 06/26 08:30 | - | Sam Ryan Ziegann v Grigoriy Lomakin | 6-3,5-4 | |
| ITF M15 Monastir | 06/24 08:30 | - | Rafael De Alba v Grigoriy Lomakin | 4-6,6-3,2-6 | |
| ITF M25 Luzhou | 06/18 06:51 | - | [457] Woobin Shin v Grigoriy Lomakin [389] | 3-6,6-3,6-2 | |
| ITF M25 Luzhou | 06/17 02:00 | - | Grigoriy Lomakin v Qian Sun | 2-6,6-4,1-0 | |
| ITF M15 Luan | 06/12 04:28 | - | [300] Tsung-Hao Huang v Grigoriy Lomakin [361] | 6-3,6-4 | |
| ITF M15 Luan | 06/11 05:15 | - | Shu Muto v Grigoriy Lomakin | 7-5,6-7,3-6 | |
| ITF M15 Luan | 06/04 04:05 | - | Nick Chappell v Grigoriy Lomakin | 6-3,6-3 | |
| ITF M15 Tashkent | 05/29 06:30 | - | Kriish Tyagi v Grigoriy Lomakin | 7-6,6-1 | |
| ITF M15 Tashkent | 05/28 07:29 | - | Alexey Aleshchev v Grigoriy Lomakin | 4-6,3-6 | |
| ITF M15 Tashkent | 05/22 05:00 | - | Grigoriy Lomakin v Leonardo Murialdo | 3-6,2-6 | |
| ITF M25 Baotou | 05/08 01:30 | - | Grigoriy Lomakin v Jacob Brumm | 3-6,1-6 | |
| ITF M25 Baotou | 05/07 01:30 | - | [489] Zijiang Yang v Grigoriy Lomakin [349] | 4-6,6-7 | |
| ITF M25 Anning | 05/01 02:30 | - | [317] Grigoriy Lomakin v Woobin Shin [500] | 4-6,4-6 | |
| ITF M25 Anning | 04/29 06:57 | - | Issei Okamura v Grigoriy Lomakin | 4-6,7-6,6-7 |
Grigoriy Lomakin (born 18 March 1998) is a Kazakhstani tennis player.
Lomakin has a career high ATP singles ranking of No. 713 achieved on 29 July 2024. He also has a career high ATP doubles ranking of No. 189 achieved on 20 March 2023. Lomakin made his ATP main draw debut at the 2022 Astana Open in the doubles draw partnering Denis Yevseyev.