Stadium: Campo 1 Round: 27 Ground: Clay
| WTA - Bogota | 2018/04/13 14:00 | Arruabarrena, L. v Sara Sorribes Tormo | 6-0,6-1 |
| WTA - Bogota | 2018/04/11 15:00 | Arruabarrena, L. v Victoria Rodriguez | 6-2,7-6 |
| WTA - Charleston | 2018/04/04 23:00 | Arruabarrena, L. v Madison Keys | 1-6,6-3,3-6 |
| WTA - Miami | 2018/03/20 21:25 | Bernarda Pera v Arruabarrena, L. | 7-5,6-4 |
| WTA - Indian Wells | 2018/03/11 00:30 | Arruabarrena, L. v Caroline Wozniacki | 4-6,1-6 |
| WTA - Indian Wells | 2018/03/08 23:30 | Arruabarrena, L. v Lesia Tsurenko | 3-6,6-3,6-4 |
| Indian Wells, USA, Qualifying | 2018/03/06 20:50 | Arruabarrena, L. v Ahn, Kristie | 7-5,6-3 |
| Indian Wells, USA, Qualifying | 2018/03/05 22:10 | Arruabarrena, L. v Ons Jabeur | 6-2,2-6,6-4 |
| WTA - Bogota | 2018/04/12 15:00 | Valentini Grammatikopoulou v Larsson, Johanna | 6-4,4-6,4-6 |
| WTA - Bogota | 2018/04/09 15:00 | Ysaline Bonaventure v Larsson, Johanna | 6-7,1-6 |
| WTA - Charleston | 2018/04/02 19:25 | Larsson, Johanna v Caroline Dolehide | 7-5,0-6,4-6 |
| WTA - Miami | 2018/03/22 15:00 | Angelique Kerber v Larsson, Johanna | 6-2,6-2 |
| WTA - Miami | 2018/03/20 16:15 | Larsson, Johanna v Katerina Siniakova | 4-6,7-6,7-5 |
| Indian Wells, USA, Qualifying | 2018/03/06 20:40 | Larsson, Johanna v Nara, Kurumi | 4-6,6-7 |
| Indian Wells, USA, Qualifying | 2018/03/05 19:00 | Larsson, Johanna v Arina Rodionova | 6-3,6-3 |
| WTA Budapest | 2018/02/23 15:35 | Cibulkova, Dominika v Larsson, Johanna | 6-3,6-2 |