| Challenger St. Petersburg | 03/08 11:25 | 25 | [304] Nino Serdarusic v Dmitry Popko [184] | 4-6,4-6 | |
| Challenger Nur-Sultan | 03/02 04:00 | 25 | [183] Dmitry Popko v Timofey Skatov [456] | 4-6,4-6 | |
| Challenger Nur-Sultan | 02/23 07:15 | 25 | [180] Dmitry Popko v Ulises Blanch [244] | 4-6,6-2,6-7 | |
| Challenger Biella | 02/17 14:00 | 26 | [187] Ernests Gulbis v Dmitry Popko [170] | 6-1,6-4 | |
| Challenger Biella | 02/15 16:20 | 25 | [170] Dmitry Popko v Sebastian Korda [88] | 6-4,6-3 | |
| Challenger Biella | 02/11 13:10 | 26 | [170] Dmitry Popko v Daniel Masur [244] | 6-4,2-6,3-6 | |
| Challenger Biella | 02/09 17:50 | 25 | [170] Dmitry Popko v Malek Jaziri [255] | 6-1,6-3 | |
| Challenger Antalya | 02/04 11:50 | 26 | [168] Dmitry Popko v Facundo Bagnis [127] | 1-6,2-6 | |
| Challenger Antalya | 02/02 11:20 | 25 | [237] Facundo Mena v Dmitry Popko [168] | 6-7,3-6 | |
| Challenger Campinas | 12/04 16:15 | 27 | [117] Daniel Elahi Galan v Dmitry Popko [172] | 6-3,6-3 | |
| Challenger Campinas | 12/03 18:30 | 26 | [196] Joao Menezes v Dmitry Popko [172] | 2-6,5-7 | |
| Challenger Campinas | 12/01 17:50 | 25 | [376] Thiago Agustin Tirante v Dmitry Popko [172] | 7-5,5-7,2-6 |