| Tjeckien - Extraleague | 2018/07/20 01:40 | Niwa/Ueda v Jang/Lim | L | 1-3 |
| Tjeckien - Extraleague | 2018/07/19 05:00 | Niwa/Ueda v Dyjas/Robles | W | 3-1 |
| Qatar Open - Damer | 2018/02/25 15:00 | Ma/Xu v Niwa/Ueda | L | 3-0 |
| Qatar Open - Mixed dubbel | 2018/02/24 17:00 | Niwa/Ueda v Jeoung/Lee | W | 3-2 |
| Qatar Open - Mixed dubbel | 2018/02/23 19:02 | Lam/Ng v Niwa/Ueda | W | 2-3 |
| Qatar Open - Mixed dubbel | 2018/02/22 19:00 | Drinkhall/Walker v Niwa/Ueda | W | 2-3 |
| German Open - Herrdubbel | 2017/11/09 17:00 | Niwa/Ueda v Hang Lam/Yu | L | 0-3 |
| Qatar Open - Mixed dubbel | 2017/09/24 00:00 | Niwa/Ueda v Filus/Walther | W | 3-1 |
| Qatar Open - Mixed dubbel | 2018/07/25 08:40 | Kallberg/Pistej v Amor/Ma | W | 3-0 |
| Tjeckien - Extraleague | 2018/06/08 01:40 | Harimoto/Kizukuri v Kallberg/Pistej | L | 3-2 |