| Jaroszewicz, Dawid1757 | 0-1 | Halldorsson, Kristjan1887 | Reykjavik Open 2024 | 2024 |
| Halldorsson, Kristjan1887 | 0-1 | Mueller, Magnus2144 | Reykjavik Open 2024 | 2024 |
| Mannion, Stephen R2166 | 1-0 | Halldorsson, Kristjan1887 | Reykjavik Open 2024 | 2024 |
| Halldorsson, Kristjan1887 | 1-0 | Wolterink, Jule1720 | Reykjavik Open 2024 | 2024 |
| Belenkaya, D2164 | 1-0 | Halldorsson, Kristjan1887 | Reykjavik Open 2024 | 2024 |
| Halldorsson, Kristjan1887 | 1-0 | Molina Cruz, Jurgen Snaider1708 | Reykjavik Open 2024 | 2024 |
| Maack, K2102 | 1-0 | Halldorsson, Kristjan1887 | Reykjavik Open 2024 | 2024 |
| Debmisra, Ariv1457 | 1-0 | Halldorsson, Kristjan1809 | Reykjavik Open 2023 | 2023 |
| Halldorsson, Kristjan1809 | 1-0 | Von Kistowski, Fynn1548 | Reykjavik Open 2023 | 2023 |
| Montague, Oliver | 1-0 | Halldorsson, Kristjan1809 | Reykjavik Open 2023 | 2023 |
| Halldorsson, Kristjan1809 | 0-1 | Dieu, B2219 | Reykjavik Open 2023 | 2023 |
| Halldorsson, Kristjan1809 | 1-0 | Banta, Robert Lance | Reykjavik Open 2023 | 2023 |
| Han, Oron1496 | 1-0 | Halldorsson, Kristjan1809 | Reykjavik Open 2023 | 2023 |
| Halldorsson, Kristjan1809 | 0-1 | Kather, Yannick2137 | Reykjavik Open 2023 | 2023 |
| Hedman, Viktor Mattias Laroy1257 | 0-1 | Halldorsson, Kristjan1809 | Reykjavik Open 2023 | 2023 |