| Slovenia Open Women | 2019/05/10 09:30 | Caroline Kumahara v Wing Nam Ng | L | 0-4 |
| Serbia Open Women | 2019/05/03 16:00 | Hina Hayata v Caroline Kumahara | L | 4-0 |
| Serbia Open Women | 2019/05/03 10:00 | Caroline Kumahara v Camila Arguelles | W | 4-3 |
| Qatar Open - vegyes páros | 2018/08/14 11:45 | Caroline Kumahara v DaYeon Kang | L | 1-4 |
| Qatar Open - nők | 2017/05/31 09:00 | Caroline Kumahara v Kasumi Ishikawa | L | 0-4 |
| Qatar Open - vegyes páros | 2017/05/06 13:00 | Bruna Takahashi v Caroline Kumahara | L | 4-2 |
| Qatar Open - vegyes páros | 2017/04/30 18:40 | Caroline Kumahara v Paula Medina | W | 4-1 |