Stadium: Court 7 Round: 54 Ground: Clay
| ITF M15 Shymkent | 2021/04/06 05:25 | Ivan Denisov v Antonio Campo | 2-6,7-6,6-10 |
| ITF M15 Shymkent | 2021/04/05 08:35 | Ivan Denisov v Danial Rakhmatullayev | 6-2,6-2 |
| ITF M15 Antalya | 2021/03/28 06:30 | Max Houkes v Ivan Denisov | 7-6,6-3 |
| ITF M15 Antalya | 2021/03/22 07:00 | Ivan Denisov v Tommaso Roggero | 3-6,2-6 |
| ITF M15 Antalya | 2021/03/21 07:00 | Ivan Denisov v Richard Zusman | 7-5,6-4 |
| ITF M15 Antalya | 2021/03/14 07:00 | Ivan Denisov v Mert Naci Turker | 4-6,3-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 11:35 | Ivan Denisov v Vladislav Ivanov | 6-4,5-7,7-10 |
| ITF M15 Cairo | 2021/01/04 08:00 | Leonardo Catani v Ivan Denisov | 5-7,6-2,10-6 |