Round: 25 Ground: Clay
| ITF Latvia F1 | 2017/07/29 11:30 | Numajiri, Keisuke v Randpere, Martin Valdo | 6-2,6-4 |
| ITF Estonia F1 | 2017/07/25 08:00 | 본 마소우, 게오르지 v Numajiri, Keisuke | 6-2,6-2 |
| ITF Estonia F1 | 2017/07/23 13:00 | Numajiri, Keisuke v 보에르마, 펠레 | 5-7,6-4,6-1 |
| ITF Estonia F1 | 2017/07/23 07:00 | Numajiri, Keisuke v Hedman, Alex | 6-3,6-2 |
| ITF Lithuania F1 | 2017/07/18 12:45 | 그리젤리스, 라우리나스 v Numajiri, Keisuke | 6-1,6-3 |
| ITF Guam F1 | 2017/06/22 01:30 | Numajiri, Keisuke v 문, 주해 | 3-6,3-6 |
| ITF Guam F1 | 2017/06/19 01:15 | 노드스트롬, 퍼 v Numajiri, Keisuke | 1-6,3-6 |
| ITF Japan F7 | 2017/06/03 04:00 | Kato, Shoma v Numajiri, Keisuke | 6-4,6-1 |
| ITF Estonia F1 | 2017/07/24 08:00 | Kumar, Sameer v Lebedyn, Alexander | 6-4,6-3 |
| ITF Ukraine F3 | 2017/05/21 11:30 | Lebedyn, Alexander v 호도르, 사무엘 | 6-3,4-6,3-6 |
| ITF Ukraine F3 | 2017/05/20 10:00 | Lebedyn, Alexander v 마울레노브, 티무르 | 6-1,6-3 |
| ITF Ukraine F2 | 2017/05/16 06:30 | 프리호드코, 올레그 v Lebedyn, Alexander | 1-6,6-2,7-5 |
| ITF Ukraine F2 | 2017/05/15 08:30 | 페트렌코, 아나톨리 v Lebedyn, Alexander | 3-6,0-6 |
| ITF Ukraine F1 | 2017/05/12 08:00 | 페레이라 실바, 페레데리코 v Lebedyn, Alexander | 6-1,7-6 |
| ITF Ukraine F1 | 2017/05/11 07:00 | Lebedyn, Alexander v 보나디오, 리카르도 | 4-6,7-5,7-5 |
| ITF Ukraine F1 | 2017/05/10 07:00 | Lebedyn, Alexander v Gevel, Denys | 7-5,6-2 |