| Croatia Open - Kvinder | 2022/06/20 15:55 | Florentine Schoffski v Sigridur Arnadottir | L | 2-0 |
| Bonn International - Kvalifikation - Kvinder | 2022/06/15 16:30 | Era Maftuha v Sigridur Arnadottir | L | 2-0 |
| EM - Hold - Kvinder | 2020/02/12 08:00 | Evgeniya Kosetskaya v Sigridur Arnadottir | L | 2-0 |
| EM - Hold - Kvinder | 2020/02/11 11:00 | Sigridur Arnadottir v Vytaute Fomkinaite | L | 0-2 |
| Island international - Kvinder | 2020/01/24 13:20 | Sigridur Arnadottir v Helis Pajuste | L | 0-2 |
| Swedish Open - Kvalifikation - Kvinder | 2020/01/16 14:25 | Ulyana Zakharava v Sigridur Arnadottir | L | 2-0 |
| Latvia Int. kvinder Qual | 2019/05/30 13:00 | Sigridur Arnadottir v Nella Siilasmaa | L | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2018/09/20 14:35 | Sigridur Arnadottir v Brid Stepper | L | 0-2 |
| Slovenien - Future Series - Kvinder - Kvalifikation | 2022/11/24 16:45 | Tanya Ivanova v Mia Thorkildshoj | L | 2-0 |