Stadium: Court 2 Round: 45 Ground: Clay
| ITF M15 Nishi-Tokyo | 2019/03/12 02:35 | Rimpei Kawakami v Daisuke Sumizawa | 6-2,6-1 |
| ITF M15 Nishi-Tokyo | 2019/03/11 03:30 | Daisuke Sumizawa v Quentin Folliot | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/06 03:20 | Yuki Mochizuki v Daisuke Sumizawa | 6-1,7-6 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Kazuki Shimizu v Daisuke Sumizawa | 2-6,2-6 |
| ITF M15 Anning | 2019/01/07 01:30 | Daisuke Sumizawa v Ye Cong Mo | 1-6,4-6 |
| ITF M15 Anning | 2018/12/31 05:00 | Daisuke Sumizawa v Yuichiro Inui | 4-6,2-6 |
| ITF M15 Anning | 2018/12/31 01:30 | Daisuke Sumizawa v Baoluo Zheng | 6-2,7-6 |
| ITF Kuwait F2 | 2018/11/10 07:45 | Peter Heller v Daisuke Sumizawa | 6-3,6-4 |
| ITF M25 Mildura | 2019/03/03 23:00 | Thomas Bosancic v Alexander Klintcharov | 7-6,3-6,10-12 |
| ITF M25 Albury | 2019/02/27 04:30 | Lucas Vuradin v Thomas Bosancic | 7-5,6-4 |
| Challenger Canberra | 2019/01/05 23:00 | Marco Bortolotti v Thomas Bosancic | 6-2,6-2 |
| Challenger Canberra 2 | 2018/10/27 05:10 | Francesco Vilardo v Thomas Bosancic | 6-2,6-1 |
| Challenger Canberra 2 | 2018/10/27 00:40 | Thomas Bosancic v Tom Evans | 1-6,6-4,6-3 |
| Challenger Traralgon | 2018/10/21 05:55 | Thomas Bosancic v Michael Look | 2-6,3-6 |
| Challenger Traralgon | 2018/10/21 01:25 | Radomir Jovanovic v Thomas Bosancic | 6-4,3-6,4-6 |
| ITF Australia F8 | 2018/10/10 02:00 | Kuan-Yi Lee v Thomas Bosancic | 7-5,6-1 |