| Date | R | Home v Away | - |
|---|---|---|---|
| 02/12 00:30 | - | Hiromasa Koyama v Shion Itsusaki | 4-6,6-4,5-7 |
| 02/10 03:30 | - | Yuji Arimura v Hiromasa Koyama | 3-6,3-6 |
| 02/09 00:30 | - | Yuichiro Inui v Hiromasa Koyama | 7-5,6-1 |
| 02/07 00:30 | - | Kent Tagashira v Hiromasa Koyama | 6-3,7-5 |
| 02/06 03:30 | - | Hiromasa Koyama v Yuta Kawahashi | 0-6,0-6 |