| ITF Japan F7 | 2015/06/18 02:15 | Ehara, Hiroyasu v Sano, Koichi | 6-1,6-3 |
| ITF Japan F7 | 2015/06/17 04:30 | Sano, Koichi v Kwon, OH-Hee | 6-3,3-6,6-4 |
| ITF Japan F7 Qual | 2015/06/15 00:30 | Sano, Koichi v Osafune, Masaki | 6-4,6-2 |
| ITF Japan F6 | 2015/06/09 04:00 | Sano, Koichi v Issei Okamura | 2-6,4-6 |
| ITF Japan F6 Qual | 2015/06/08 01:00 | Kishi, Ryota v Sano, Koichi | 2-6,0-6 |
| ITF Japan F6 Qual | 2015/06/07 05:00 | Sano, Koichi v Numajiri, Keisuke | 6-0,4-6,6-1 |
| ITF Japan F5 | 2015/06/02 03:15 | Oku, Hiromasa v Sano, Koichi | 6-4,3-6,6-2 |
| ITF Guam F1 | 2015/05/28 00:00 | Sano, Koichi v Ko Suzuki | 2-6,1-6 |
| ITF Japan F7 | 2015/06/16 01:45 | Moon, Ju-Hae v Barclay, David | 6-2,6-2 |
| ITF Japan F7 Qual | 2015/06/15 00:30 | Hashimoto, Taiki v Barclay, David | 7-5,4-6,3-6 |
| ITF Japan F7 Qual | 2015/06/13 00:00 | Barclay, David v Fukuoka, Yusei | 6-1,6-0 |
| ITF Japan F5 | 2015/05/31 01:00 | Yuichiro Inui v Barclay, David | 6-3,3-6,6-1 |
| ITF Guam F1 | 2015/05/25 04:25 | Barclay, David v Mclachlan, Ben | 3-6,1-6 |
| ITF Guam F1 | 2015/05/24 02:00 | Barclay, David v Mclachlan, Riki | 6-2,6-2 |
| ITF Australia F4 Qual | 2015/03/23 00:55 | Barclay, David v Romios, Matthew Christopher | 3-6,2-6 |
| ITF Australia F4 Qual | 2015/03/21 01:00 | Tsoronis, Socrates Leon v Barclay, David | 5-7,3-6 |