| Open de Croacia sub-21 | 2019/05/16 15:00 | Ioannis Sgouropoulos v Kanak Jha | L | 2-3 |
| Open de Croacia sub-21 | 2019/05/16 12:00 | Manav Vikash Thakkar v Ioannis Sgouropoulos | W | 0-3 |
| Open de Croacia sub-21 | 2019/05/15 11:30 | Ioannis Sgouropoulos v Takeru Kashiwa | W | 3-1 |
| Open de Eslovenia sub-21 | 2019/05/10 07:00 | Ioannis Sgouropoulos v Amin Ahmadian | L | 2-3 |
| Open de Eslovenia | 2019/05/09 12:45 | Ioannis Sgouropoulos v Shihao Wei | L | 0-3 |
| Open de Eslovenia | 2019/05/08 15:00 | Ioannis Sgouropoulos v Andraz Novak | W | 3-0 |
| World Championship | 2019/04/23 12:55 | Ioannis Sgouropoulos v Gaoyuan Lin | L | 1-4 |
| World Championship | 2019/04/22 14:45 | Ioannis Sgouropoulos v Rares Sipos | W | 4-3 |
| Open de Tailandia | 2019/05/24 12:10 | Kohei Sambe v Chih-Wei Yeh | L | 1-4 |
| República Checa - Extraliga | 2018/11/15 13:45 | Kohei Sambe v Manav Vikash Thakkar | L | 2-4 |
| Open de Catar - Dobles Mixtos | 2018/11/06 09:50 | Christian Friedrich v Kohei Sambe | W | 0-4 |
| Open de Catar - Dobles Mixtos | 2018/08/22 12:10 | Kohei Sambe v Yudong Zhang | L | 1-4 |
| Open de Catar - Dobles Mixtos | 2018/08/22 08:50 | Kohei Sambe v Stanislav Golovanov | W | 4-1 |
| Open de Catar - Dobles Mixtos | 2018/08/21 13:50 | Alexander Shibaev v Kohei Sambe | W | 0-4 |
| República Checa - Extraliga | 2018/07/18 11:45 | Yu Song Ham v Kohei Sambe | L | 3-1 |
| República Checa - Extraliga | 2018/07/18 06:25 | Kohei Sambe v Mizuki Oikawa | W | 3-0 |