| Koo, Wei Xin Rosamund1918 | 1-0 | Can, Isil1798 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1918 | 1-0 | Koljevic, Nikolina1898 | 36th World Junior Girls | 2018 |
| Kyrkjebo, Marte B.1935 | ½-½ | Koo, Wei Xin Rosamund1918 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1918 | 0-1 | Celik, Eylul2014 | 36th World Junior Girls | 2018 |
| Gomez Barrera, Javiera Belen2035 | 1-0 | Koo, Wei Xin Rosamund1918 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1918 | 1-0 | Huttl, Sofie1727 | 36th World Junior Girls | 2018 |
| Caxita, Esperanca1803 | ½-½ | Koo, Wei Xin Rosamund1918 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1918 | 1-0 | Gusic, Jelena | 36th World Junior Girls | 2018 |
| Anacoglu, Cisel1791 | 1-0 | Koo, Wei Xin Rosamund1918 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1918 | 0-1 | Hojjatova, Aydan2356 | 36th World Junior Girls | 2018 |
| Ghukasyan, Siranush2205 | 1-0 | Koo, Wei Xin Rosamund1918 | 36th World Junior Girls | 2018 |
| Koo, Wei Xin Rosamund1900 | 1-0 | Cui, Cynthia1553 | World Junior Girls 2017 | 2017 |
| Ichimura G. Barbosa, Larissa Y.1913 | 1-0 | Koo, Wei Xin Rosamund1900 | World Junior Girls 2017 | 2017 |
| Koo, Wei Xin Rosamund1900 | 0-1 | Li, Zhuoling2006 | World Junior Girls 2017 | 2017 |
| Sibajeva, Marija2016 | ½-½ | Koo, Wei Xin Rosamund1900 | World Junior Girls 2017 | 2017 |