| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2018 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 7/6 | 5/5 | 0/0 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2016 | 10/9 | 6/6 | 2/2 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2015 | 14/9 | 4/3 | 6/4 | 0/0 | 4/2 | 0/0 | 0/0 |
| 2014 | 13/9 | 8/6 | 4/2 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2013 | 4/3 | 0/0 | 3/2 | 0/0 | 1/1 | 0/0 | 0/0 |
| TOTAL | 48/37 | 23/21 | 15/10 | 0/0 | 10/6 | 0/0 | 0/0 |
| perc. % | 56.47 % | 52.27 % | 60 % | 0 % | 62.5 % | 0 % | 0 % |
Koichi Sano / scheduled / last
| no matches found |
Koichi Sano form
Koichi Sano / last 50 matches
| 10.04.18 | 1st round | Chuhan Wang | Koichi Sano | 6-4, 6-3 |  | match details |  Japan F6 | Hard |
| 16.06.17 | 1/4 | Sora Fukuda | Koichi Sano | 6-3, 6-1 | | match details | Japan F8 | Carpet |
| 15.06.17 | 2nd round | Koichi Sano | Arata Onozawa | 2-6, 6-1, 6-0 |  | match details | ||
| 14.06.17 | 1st round | Koichi Sano | Akito Higa | 6-3, 6-4 | | match details | ||
| 03.04.17 | 1st round | Yuki Matsuo | Koichi Sano | 7-5, 7-612 | | match details | Japan F5 | Hard |
| 03.04.17 | q 1 | Koichi Sano | Artem Vu | 6-2, 6-4 | | match details | ||
| 03.04.17 | qual. | Koichi Sano | Rimpei Kawakami | 6-1, 6-2 | | match details | ||
| 27.03.17 | q 1 | Yohei Ono | Koichi Sano | 6-3, 6-1 | | match details | Japan F4 | Hard |
| 20.03.17 | q 1 | Yuki Matsuo | Koichi Sano | 6-4, 7-67 | | match details | Japan F3 | Hard |
| 14.03.17 | 1st round | Gengo Kikuchi | Koichi Sano | 6-2, 6-4 | | match details | Japan F2 | Hard |
| 13.03.17 | q 2 | Koichi Sano | Kaito Itsusaki | 7-64, 6-1 | | match details | ||
| 13.03.17 | qual. | Koichi Sano | Collin Johns | 7-5, 4-6, 6-4 | | match details | ||
| 06.03.17 | q 1 | Koichi Sano | Kazuya Tamura | 6-3, 6-3 | | match details | Japan F1 | Hard |
| 06.03.17 | q 2 | Yuga Tashiro | Koichi Sano | 6-2, 6-4 | | match details | ||
| 19.09.16 | q 2 | Shinta Fujii | Koichi Sano | 6-4, 6-3 | | match details |  Vietnam F5 | Hard |
| 11.09.16 | 1st round | Arata Onozawa | Koichi Sano | 2-6, 7-69, 6-0 | | match details | Vietnam F4 | Hard |
| 20.07.16 | 2nd round | Issei Okamura | Koichi Sano | 6-0, 6-2 | | match details |  China F13 | Clay |
| 19.07.16 | 1st round | Koichi Sano | Xi Qi | 6-2, 7-61 | | match details | ||
| 13.07.16 | 2nd round | Soichiro Moritani | Koichi Sano | 6-75, 6-4, 6-1 | | match details | China F12 | Clay |
| 12.07.16 | 1st round | Koichi Sano | Zihao Xia | 7-63, 6-3 | | match details | ||
| 13.06.16 | qual. | Kaito Uesugi | Koichi Sano | 6-2, 6-4 | | match details | Japan F8 | Carpet |
| 13.06.16 | q 2 | Koichi Sano | Yuhei Kono | 6-4, 6-1 | | match details | ||
| 13.06.16 | q 1 | Koichi Sano | Yuga Tashiro | 6-3, 7-5 | | match details | ||
| 08.06.16 | 2nd round | Sho Katayama | Koichi Sano | 3-6, 6-2, 6-1 | | match details | Japan F7 | Hard |
| 07.06.16 | 1st round | Koichi Sano | Evan Song | 2-6, 7-5, 6-4 | | match details | ||
| 06.06.16 | q 1 | Koichi Sano | Genki Hosoya | 6-4, 6-1 | | match details | ||
| 06.06.16 | qual. | Koichi Sano | Masaki Sasai | 6-3, 7-5 | | match details | ||
| 24.05.16 | 2nd round | Andrew Whittington | Koichi Sano | 6-4, 6-2 | | match details |  Guam F1 | Hard |
| 22.05.16 | 1st round | Koichi Sano | Winter Meagher | 6-1, 6-2 | | match details | ||
| 23.05.16 | qual. | Koichi Sano | Yusuke Yoshikawa | 7-63, 6-3 | | match details | ||
| 04.04.16 | q 2 | Koichi Sano | Arvid Nordquist | 6-3, 4-6, 6-3 | | match details | Japan F5 | Hard |
| 04.04.16 | qual. | Ken Onishi | Koichi Sano | 6-1, 6-0 | | match details | ||
| 07.03.16 | q 1 | Yuga Tashiro | Koichi Sano | 6-2, 3-6, 6-3 | | match details | Japan F1 | Hard |
| 21.11.15 | q 1 | Shintaro Imai | Koichi Sano | 6-4, 6-3 | | match details | Toyota Challenger | Carpet |
| 07.09.15 | q 1 | Yu-Seob Kim | Koichi Sano | 1-6, 6-4, 6-1 | | match details |  Korea F7 | Clay |
| 31.08.15 | qual. | Oh-Hee Kwon | Koichi Sano | 6-2, 3-6, 6-0 | | match details | Korea F6 | Clay |
| 31.08.15 | q 1 | Koichi Sano | Yo-Sub Yoon | 6-4, 6-3 | | match details | ||
| 31.08.15 | q 2 | Koichi Sano | Yong Seak Jang | 6-3, 6-2 | | match details | ||
| 24.08.15 | q 1 | Koichi Sano | Do I Kim | 6-0, 6-1 | | match details | Korea F5 | Hard |
| 24.08.15 | q 2 | Sang-Oh Oh | Koichi Sano | 5-7, 6-4, 6-2 | | match details | ||
| 22.06.15 | 1st round | Ju-Hae Moon | Koichi Sano | 6-1, 6-3 | | match details | Japan F8 | Clay |
| 22.06.15 | q 1 | Koichi Sano | David Barclay | 3-6, 6-3, 6-4 | | match details | ||
| 22.06.15 | qual. | Koichi Sano | Seiya Nakanishi | 7-61, 6-1 | | match details | ||
| 15.06.15 | 2nd round | Hiroyasu Ehara | Koichi Sano | 6-1, 6-3 | | match details | Japan F7 | Carpet |
| 15.06.15 | qual. | Koichi Sano | Masaki Osafune | 6-4, 6-2 | | match details | ||
| 15.06.15 | 1st round | Koichi Sano | Oh-Hee Kwon | 6-3, 3-6, 6-4 | | match details | ||
| 15.06.15 | q 1 | Koichi Sano | Yuta Doi | 7-5, 6-2 | | match details | ||
| 15.06.15 | q 2 | Koichi Sano | Riku Ito | 6-3, 6-3 | | match details | ||
| 08.06.15 | q 2 | Koichi Sano | Keisuke Numajiri | 6-0, 4-6, 6-1 | | match details | Japan F6 | Hard |
| 08.06.15 | 1st round | Issei Okamura | Koichi Sano | 6-2, 6-4 | | match details |