Stadium: Court 1 Round: 46 Ground: Hardcourt outdoor
| Challenger Zhuhai Qual | 2018/03/03 02:00 | Yuanfeng Li v Igor Zelenay | 6-4,4-6,2-6 |
| Challenger Cordenons Qual | 2017/08/14 10:00 | Christian Lindell v Igor Zelenay | 6-3,6-3 |
| Challenger Cordenons Qual | 2017/08/13 11:00 | Igor Zelenay v Walter Trusendi | 6-2,2-6,7-6 |
| Challenger Cordenons Qual | 2017/08/12 11:00 | Giovanni Agostinetto v Igor Zelenay | 1-6,2-6 |
| Challenger Portoroz Qual | 2017/08/07 09:05 | Albano Olivetti v Igor Zelenay | 6-3,3-6,6-3 |
| Challenger Portoroz Qual | 2017/08/06 15:45 | Igor Zelenay v Marek Gengel | 7-6,6-4 |
| Challenger Portoroz Qual | 2017/08/05 07:30 | Enej Berghaus v Igor Zelenay | 6-7,1-6 |
| Challenger Bratislava Qual | 2016/11/05 17:10 | Igor Zelenay v Filip Horansky | 6-7,7-6,6-7 |
| Challenger Zhuhai Qual | 2018/03/03 04:50 | Xin Gao v Renta Tokuda | 3-6,1-6 |
| Challenger Yokohama Qual | 2018/02/24 02:35 | Tung-Lin Wu v Renta Tokuda | 6-1,6-4 |
| Challenger Launceston Qual | 2018/02/05 01:05 | Marinko Matosevic v Renta Tokuda | 6-1,4-6,6-4 |
| Challenger Launceston Qual | 2018/02/04 04:40 | Steven De Waard v Renta Tokuda | 7-5,2-6,1-6 |
| Challenger Launceston Qual | 2018/02/03 03:25 | Gavin Van Peperzeel v Renta Tokuda | 3-6,2-6 |
| Challenger - Burnie - kval | 2018/01/27 00:30 | Gavin Van Peperzeel v Renta Tokuda | 7-6,6-4 |
| ITF Thailand F12 | 2017/12/15 03:00 | Yan Bai v Renta Tokuda | 2-6,1-6 |
| ITF Thailand F12 | 2017/12/14 03:30 | Renta Tokuda v Ji Sung Nam | 6-3,6-2 |