Stadium: Indoor Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Liuzhou | 2018/10/22 03:00 | Sumit Nagal v Arjun Kadhe | 6-4,6-4 |
| Challenger Liuzhou | 2018/10/21 04:45 | Sumit Nagal v Khumoyun Sultanov | 6-4,6-4 |
| Challenger Liuzhou | 2018/10/20 06:35 | Sumit Nagal v Zihao Xia | 6-2,6-2 |
| Challenger Ningbo | 2018/10/16 06:00 | Sumit Nagal v Thomas Fabbiano | 6-4,4-6,2-6 |
| Challenger Tashkent | 2018/10/06 06:30 | Rubin Statham v Sumit Nagal | 3-6,6-1,6-1 |
| Challenger Sibiu | 2018/09/18 07:00 | Sumit Nagal v Pedro Sousa | 2-6,4-6 |
| Challenger Szczecin | 2018/09/08 11:20 | Sumit Nagal v Gonzalo Lama | 4-6,4-6 |
| Challenger Genova | 2018/09/06 09:00 | Cristian Garin v Sumit Nagal | 3-6,6-3,6-4 |
| Challenger Ningbo | 2018/10/19 06:40 | Tatsuma Ito v Radu Albot | 5-7,4-6 |
| Challenger Ningbo | 2018/10/18 03:00 | Tatsuma Ito v Rigele Te | 6-4,6-4 |
| Challenger Ningbo | 2018/10/16 10:00 | Tatsuma Ito v Yusuke Takahashi | 7-6,6-3 |
| ATP Tokyo | 2018/09/30 03:50 | Tatsuma Ito v Yosuke Watanuki | 2-6,4-6 |
| ATP Tokyo | 2018/09/29 04:45 | Mackenzie McDonald v Tatsuma Ito | 4-6,6-1,3-6 |
| ATP Shenzhen | 2018/09/25 12:15 | Tatsuma Ito v Taro Daniel | 6-2,5-7,6-7 |
| ATP Shenzhen | 2018/09/22 08:10 | Federico Gaio v Tatsuma Ito | 6-4,3-6,1-6 |
| Challenger Zhangjiagang | 2018/09/06 06:10 | Yibing Wu v Tatsuma Ito | 7-6,4-6,6-3 |