06.11.19 | 1st round | Yan Bai/Zhe Li | Shintaro Imai/Takuto Niki | 7-61, 6-4 | | match details | Kobe Challenger | I. hard |
08.04.19 | 1st round | Shintaro Imai/Takuto Niki | Gen Nakamura/Taketo Takamisawa | 6-3, 6-1 | | match details | M25 Matsuyama | Hard |
08.04.19 | 1/4 | Shinji Hazawa/Naoki Tajima | Shintaro Imai/Takuto Niki | Shintaro Imai/Takuto Niki - walk over | | match details |
11.03.19 | 1/2 | Shintaro Imai/Takuto Niki | Fuya Kimoto/Yunosuke Tanaka | 6-2, 6-3 | | match details | M15 Nishi | Hard |
11.03.19 | fin | Ji Sung Nam/Min-Kyu Song | Shintaro Imai/Takuto Niki | 4-6, 7-64, 10-7 | | match details |
11.03.19 | 1st round | Shintaro Imai/Takuto Niki | Jie Cui/Aoran Wang | 6-4, 6-2 | | match details |
11.03.19 | 1/4 | Shintaro Imai/Takuto Niki | Taisei Ichikawa/Keisuke Saitoh | 6-2, 6-2 | | match details |
04.03.19 | fin | Shintaro Imai/Takuto Niki | Blake Ellis/Wishaya Trongcharoenchaikul | 1-6, 7-68, 10-5 | | match details | M15 Nishi | Hard |
04.03.19 | 1st round | Shintaro Imai/Takuto Niki | Taisei Ichikawa/Naoki Tajima | 7-62, 5-7, 10-4 | | match details |
04.03.19 | 1/4 | Shintaro Imai/Takuto Niki | Sora Fukuda/Soichiro Moritani | Sora Fukuda/Soichiro Moritani - walk over | | match details |
04.03.19 | 1/2 | Shintaro Imai/Takuto Niki | Hiroyasu Ehara/Sho Katayama | 6-3, 6-1 | | match details |
18.06.18 | 1st round | Young Seok Kim/Seong-Gook Oh | Shintaro Imai/Takuto Niki | 7-5, 6-3 | | match details | Korea F3 | Hard |
21.05.18 | 1/2 | Shintaro Imai/Takuto Niki | Jacob Grills/Michael Look | 3-6, 6-3, 12-10 | | match details | Singapore F2 | Hard |
21.05.18 | 1st round | Shintaro Imai/Takuto Niki | Makoto Ochi/Ching-Mou Yu | 7-66, 7-65 | | match details |
21.05.18 | fin | Francis Casey Alcantara/Collin Altamirano | Shintaro Imai/Takuto Niki | 6-1, 6-4 | | match details |
21.05.18 | 1/4 | Shintaro Imai/Takuto Niki | Chun Hun Wong/Pak Long Yeung | 6-1, 4-6, 10-7 | | match details |
09.04.18 | fin | Shintaro Imai/Takuto Niki | Yuhei Kono/Yuto Sakai | 6-4, 6-3 | | match details | Japan F6 | Hard |
09.04.18 | 1st round | Shintaro Imai/Takuto Niki | Koichi Sano/Yuki Yudate | 6-1, 6-4 | | match details |
09.04.18 | 1/4 | Shintaro Imai/Takuto Niki | Shota Iino/Hajime Nakashima | 6-4, 6-3 | | match details |
09.04.18 | 1/2 | Shintaro Imai/Takuto Niki | Sora Fukuda/Yuta Shimizu | 7-5, 3-6, 10-7 | | match details |
26.03.18 | 1st round | Xin Gao/Chuhan Wang | Shintaro Imai/Takuto Niki | 6-70, 6-3, 10-7 | | match details | Japan F4 | Hard |
19.03.18 | 1/4 | Jae-Min Seol/Min-Kyu Song | Shintaro Imai/Takuto Niki | 6-3, 6-3 | | match details | Japan F3 | Hard |
19.03.18 | 1st round | Shintaro Imai/Takuto Niki | Masaki Sasai/Shuichi Sekiguchi | 6-4, 6-3 | | match details |
12.03.18 | 1/2 | Shintaro Imai/Takuto Niki | Yuichi Ito/Kaito Uesugi | 6-2, 4-6, 10-1 | | match details | Japan F2 | Hard |
12.03.18 | fin | Shintaro Imai/Takuto Niki | Tae-Woo Lee/Yong-Kyu Lim | 7-5, 6-3 | | match details |
12.03.18 | 1st round | Shintaro Imai/Takuto Niki | Seong Chan Hong/Ching-Mou Yu | 6-3, 6-1 | | match details |
12.03.18 | 1/4 | Shintaro Imai/Takuto Niki | Daiki Koga/Takashi Yasugami | 7-5, 6-3 | | match details |
05.03.18 | fin | Shintaro Imai/Takuto Niki | Sho Katayama/Soichiro Moritani | 6-1, 6-4 | | match details | Japan F1 | Hard |
05.03.18 | 1st round | Shintaro Imai/Takuto Niki | Yuto Sakai/Yunosuke Tanaka | 7-64, 6-2 | | match details |
05.03.18 | 1/4 | Shintaro Imai/Takuto Niki | Shoma Kato/Shin Yoshida | 6-2, 6-1 | | match details |
05.03.18 | 1/2 | Shintaro Imai/Takuto Niki | Yuuya Kibi/Arata Onozawa | 7-5, 7-5 | | match details |
01.01.18 | 1/2 | Shintaro Imai/Takuto Niki | Francesco Bessire/Matteo Viola | 6-2, 6-3 | | match details | Hong Kong | Hard |
01.01.18 | 1st round | Shintaro Imai/Takuto Niki | Takashi Saito/Jumpei Yamasaki | 6-3, 6-2 | | match details |
01.01.18 | fin | Yuto Sakai/Yunosuke Tanaka | Shintaro Imai/Takuto Niki | 2-6, 6-3, 10-4 | | match details |
01.01.18 | 1/4 | Shintaro Imai/Takuto Niki | Alberto Lim/Rio Noguchi | 4-6, 6-0, 11-9 | | match details |
15.11.17 | 1/4 | Toshihide Matsui/Chu-Huan Yi | Shintaro Imai/Takuto Niki | 6-73, 6-4, 10-4 | | match details | Toyota Challenger | Carpet |
14.11.17 | 1st round | Shintaro Imai/Takuto Niki | Fuya Kimoto/Yosuke Watanuki | 7-65, 6-71, 10-8 | | match details |
03.07.17 | 1/4 | Shintaro Imai/Takuto Niki | Shinta Fujii/Kazuma Kawachi | 6-1, 6-2 | | match details | Hong Kong | Hard |
03.07.17 | 1/2 | Shintaro Imai/Takuto Niki | Anthony Jackie Tang/Chun Hun Wong | 3-6, 6-3, 10-4 | | match details |
03.07.17 | fin | Shintaro Imai/Takuto Niki | Hong Kit Wong/Pak Long Yeung | 7-5, 6-2 | | match details |
03.07.17 | 1st round | Shintaro Imai/Takuto Niki | Jeson Patrombon/Leo Julien Sebaoun | Jeson Patrombon/Leo Julien Sebaoun - walk over | | match details |
19.06.17 | fin | Yu Hsiang Chiu/Chu-Huan Yi | Shintaro Imai/Takuto Niki | 2-6, 7-65, 10-8 | | match details | Chinese Taipei | Hard |
19.06.17 | 1/4 | Shintaro Imai/Takuto Niki | Chun-Chi Han/Tsung-Hua Yang | 6-1, 6-2 | | match details |
19.06.17 | 1/2 | Shintaro Imai/Takuto Niki | Nicholas S. Hu/Jui-Chen Hung | 6-3, 6-2 | | match details |
19.06.17 | 1st round | Shintaro Imai/Takuto Niki | Wei-De Lin/Tung-Lin Wu | 7-65, 7-65 | | match details |
12.06.17 | 1/2 | Shintaro Imai/Takuto Niki | Toshihide Matsui/Yusuke Takahashi | 6-2, 6-4 | | match details | Chinese Taipei | Hard |
12.06.17 | fin | Shintaro Imai/Takuto Niki | Kuan-Yi Lee/Shao-Fan Liu | 7-5, 6-4 | | match details |
12.06.17 | 1st round | Shintaro Imai/Takuto Niki | Kuo-Heng Cheng/Chang Wu Lu | 6-3, 6-1 | | match details |
12.06.17 | 1/4 | Shintaro Imai/Takuto Niki | Wei-De Lin/Tung-Lin Wu | 6-4, 6-2 | | match details |
29.05.17 | 1/4 | Shintaro Imai/Takuto Niki | Masaya Kobayashi/Sho Shimabukuro | 7-5, 6-4 | | match details | Japan F6 | Clay |