| 四日市市挑战赛 男双 | 08/08 07:00 | 27 | 桑柴∙拉提瓦塔纳/宋猜∙拉提瓦塔纳 v 关口周一/Sho Shimabukuro | 6-7,6-3,10-5 | |
| 四日市市挑战赛 男双 | 08/07 10:05 | 26 | Jumpei Yamasaki/Evan Zhu v 关口周一/Sho Shimabukuro | 1-6,4-6 | |
| ITF M15武汉 男双 | 05/04 04:30 | 29 | 关口周一/Sho Shimabukuro v Sora Fukuda/Yuki Mochizuki | 7-6,4-6,8-10 | |
| ITF M15武汉 男双 | 05/03 04:30 | 28 | Zi Hui Chen/Chukang Wang v 关口周一/Sho Shimabukuro | 3-6,7-5,5-10 | |
| ITF M15武汉 男双 | 05/02 06:45 | 27 | 王康杰/Pak Long Yeung v 关口周一/Sho Shimabukuro | 2-6,4-6 | |
| ITF M15武汉 男双 | 04/30 06:50 | 26 | 关口周一/Sho Shimabukuro v Tao Mu/夏亥佟 | 6-4,6-2 |