| Slovenia Int. | 2019/05/18 08:40 | Sourabh Verma v Minoru Koga | L | 2-0 |
| Slovenia Int. | 2019/05/17 14:30 | Minoru Koga v Christo Popov | W | 2-0 |
| Slovenia Int. | 2019/05/16 16:40 | Adrian Dziolko v Minoru Koga | W | 0-2 |
| Denmark Int. | 2019/05/10 16:30 | Minoru Koga v Sergey Sirant | L | 1-2 |
| Osaka Int. | 2019/04/04 01:20 | Pengbo Ren v Minoru Koga | L | 2-0 |
| Tong Yun Kai Cup | 2019/03/21 12:00 | Minoru Koga v Ka Long Angus Ng | L | 1-2 |
| Giraldilla Int. XD | 2019/02/24 07:00 | Minoru Koga v Kodai Naraoka | L | 0-2 |
| Giraldilla Int. XD | 2019/02/23 07:20 | Minoru Koga v Kantawat Leelavechabutr | W | 2-0 |
| Canada Open - selejtezők | 2019/07/02 15:35 | Steffen Rasmussen v Lanxi Lei | W | 0-2 |
| Osaka Int. Qual | 2019/04/03 03:10 | Lanxi Lei v Kazuteru Kozai | L | 1-2 |
| China Masters | 2019/03/14 11:25 | Donghun Kim v Lanxi Lei | L | 2-0 |
| China Masters | 2019/03/13 14:00 | Lanxi Lei v Firman Abdul Kholik | W | 2-0 |
| China Masters | 2019/03/12 12:00 | Yufeng Cao v Lanxi Lei | W | 0-2 |
| Swiss Open - női páros selejtezők | 2019/03/12 05:05 | Lanxi Lei v Binghong Ye | W | 2-0 |
| Swiss Open - női páros selejtezők | 2019/03/12 02:10 | Lanxi Lei v Bingyuan Li | W | 2-0 |