Yudai Umeoka @ ITF M25 Kashiwa

Rimpei Kawakami Renta Tokuda Hikaru Shiraishi Issei Okamura Kaito Uesugi Yu Hsiou Hsu Makoto Ochi Yuttana Charoenphon Hiroyasu Ehara Ryota Tanuma Rio Noguchi Yuta Shimizu Shinji Hazawa Taisei Ichikawa Yuichiro Inui Taketo Takamisawa Kazuma Kawachi Takuya Kumasaka Yunseong Chung Yuki Mochizuki Shohei Chikami Daisuke Sumizawa Tsung-Hao Huang Seita Watanabe Taiyo Yamanaka Ryotaro Matsumura Hiroki Moriya Jeremy Jin Yusuke Takahashi Krittin Koaykul Keisuke Saitoh Takeru Yuzuki Tristan Schoolkate Maximus Jones Ryuki Matsuda Takuto Niki Ko Suzuki Toshihide Matsui Tomohiro Masabayashi Naoki Tajima Toru Horie Sho Shimabukuro Sora Fukuda Takahiro Kubo Shintaro Imai Tatsuma Ito Kento Takeuchi Zhe Li Shuichi Sekiguchi Daiki Yoshimura