Round: 44 Ground: Clay
| ITF M15 Antalya kval | 2019/12/08 09:30 | Marlon Vankan v Svyatoslav Ilnytskyy | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2019/11/17 11:30 | Iancu-Iustinian Ghinda v Svyatoslav Ilnytskyy | 6-4,5-7,10-6 |
| ITF M15 Sharm El Sheikh | 2019/11/10 10:00 | Miguel Damas v Svyatoslav Ilnytskyy | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/11/03 09:00 | Iancu-Iustinian Ghinda v Svyatoslav Ilnytskyy | 6-7,6-3,10-6 |
| ITF M15 Chornomorsk | 2019/09/25 10:40 | Svyatoslav Ilnytskyy v Alexander Ovcharov | 4-6,0-6 |
| ITF M15 Chornomorsk | 2019/09/23 11:00 | Daniil Tsebrenko v Svyatoslav Ilnytskyy | 3-6,3-6 |
| ITF M15 Chornomorsk | 2019/09/23 07:00 | Svyatoslav Ilnytskyy v Oleksandr Kokkin | 4-6,6-1,10-5 |
| ITF M15 Chornomorsk | 2019/09/22 07:30 | Stefan Cizelj-Zivkovic v Svyatoslav Ilnytskyy | 2-6,5-7 |
| ITF M15 Antalya kval | 2019/12/08 07:00 | Lisandru Rodriguez v Takuya Kumasaka | 6-0,6-2 |
| ITF M15 Changwon | 2019/10/16 00:50 | Takuya Kumasaka v Kasidit Samrej | 4-6,3-6 |
| ITF M15 Changwon | 2019/10/15 01:00 | Takuya Kumasaka v Hayeon Seong | 4-6,6-2,10-1 |
| ITF M15 Changwon | 2019/10/13 06:00 | Takuya Kumasaka v Samuel Beren | 6-4,6-3 |
| ITF M15 Karuizawa | 2019/05/30 01:00 | Kento Takeuchi v Takuya Kumasaka | 5-7,6-2,6-4 |
| ITF M15 Karuizawa | 2019/05/28 02:30 | Sota Fujii v Takuya Kumasaka | 4-6,4-6 |
| ITF M15 Tsukuba | 2019/03/25 01:00 | Takuya Kumasaka v Tomohiro Masabayashi | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/21 02:00 | Takuya Kumasaka v Issei Okamura | 1-6,2-6 |