| Leonard, Timo2223 | 1-0 | Ni Mhuireagain, Eibhia1624 | Riga Tech Rapid Open 2023 | 2023 |
| Hotami, Mutriba1846 | 0-1 | Ni Mhuireagain, Eibhia1638 | Olympiad Women 2022 | 2022 |
| Ni Mhuireagain, Eibhia1624 | ½-½ | Baselmans, Luuk2265 | 3rd ChessMates Paris 2019 | 2019 |
| Kazak, Natalia1832 | 0-1 | Ni Mhuireagain, Eibhia1624 | 3rd ChessMates Paris 2019 | 2019 |
| Ni Mhuireagain, Eibhia1624 | 0-1 | Afraoui, Anaelle2081 | 3rd ChessMates Paris 2019 | 2019 |
| Moreby, James2102 | 1-0 | Ni Mhuireagain, Eibhia1624 | 3rd ChessMates Paris 2019 | 2019 |
| Li, Yilin1993 | 1-0 | Ni Mhuireagain, Eibhia1655 | World Youth Girl U18 2018 | 2018 |
| Nass, Sara1986 | 1-0 | Ni Mhuireagain, Eibhia1655 | World Youth Girl U18 2018 | 2018 |
| Ni Mhuireagain, Eibhia1655 | 0-1 | Sevilla, Julia1947 | World Youth Girl U18 2018 | 2018 |
| Belluire, Beatrice1931 | ½-½ | Ni Mhuireagain, Eibhia1655 | World Youth Girl U18 2018 | 2018 |
| Ni Mhuireagain, Eibhia1655 | ½-½ | Buchta, Agnieszka1879 | World Youth Girl U18 2018 | 2018 |
| Gillis Onieva, Celia1892 | 1-0 | Ni Mhuireagain, Eibhia1655 | World Youth Girl U18 2018 | 2018 |
| Ni Mhuireagain, Eibhia1655 | ½-½ | Nistor, Valentina1881 | World Youth Girl U18 2018 | 2018 |
| Hng, Mei-En Emmanuelle2020 | 1-0 | Ni Mhuireagain, Eibhia1655 | World Youth Girl U18 2018 | 2018 |
| Ni Mhuireagain, Eibhia1655 | 0-1 | Nassr, Lina1854 | Olympiad Women 2018 | 2018 |