| Date | R | Hjemme v Ude | - |
|---|---|---|---|
| 04/01 03:45 | - | Yuichi Ito v Issei Okamura | 7-6,2-6,6-7 |
| 04/01 02:30 | - | Ko Suzuki v Arata Onozawa | Retired |
| 04/01 02:25 | - | Takuto Niki v Soichiro Moritani | 6-2,6-1 |
| 04/01 01:30 | - | Hiroyasu Ehara v Shunrou Takeshima | Retired |
| 04/01 01:00 | - | Sho Katayama v Ren Nakamura | 6-2,6-3 |
| 03/31 05:30 | - | Finn Tearney v Duckhee Lee | 3-6,7-5,6-7 |
| 03/31 04:00 | - | Shintaro Imai v Takashi Saito | 5-7,6-7 |
| 03/31 04:00 | - | Takao Suzuki v Masato Shiga | Retired |
| 03/31 04:00 | - | Yuya Kibi v Gengo Kikuchi | 5-7,6-3,7-6 |