| WTA Rome Qual | 05/13 10:10 | 45 | [62] Arruabarrena, L. v Donna Vekic [82] | 2-6,4-6 | |
| WTA - Madrid | 05/10 10:00 | 26 | [62] Arruabarrena, L. v Anastasija Sevastova [22] | 5-7,2-6 | |
| WTA - Madrid | 05/08 17:25 | 25 | [18] Srtycova, Barbora v Arruabarrena, L. [62] | 6-3,3-6,3-6 | |
| WTA - Madrid | 05/06 19:05 | 24 | [45] Mchale, Christina v Arruabarrena, L. [62] | 6-4,6-7,2-6 | |
| WTA - Bogota | 04/15 18:30 | 29 | [168] Francesca Schiavone v Arruabarrena, L. [65] | 6-4,7-5 | |
| WTA - Bogota | 04/14 16:45 | 28 | [65] Arruabarrena, L. v Sara Sorribes Tormo [93] | 6-2,4-6,6-4 | |
| WTA - Bogota | 04/13 15:00 | 27 | [132] Aleksandra Krunic v Arruabarrena, L. [65] | 5-7,7-5,2-6 | |
| WTA - Bogota | 04/12 17:25 | 26 | [92] Irina Khromacheva v Arruabarrena, L. [65] | 6-7,0-6 | |
| WTA - Bogota | 04/10 15:30 | 25 | [198] Conny Perrin v Arruabarrena, L. [65] | 6-4,3-6,2-6 | |
| WTA - Charleston | 04/03 18:30 | 24 | [65] Arruabarrena, L. v Petkovic, Andrea [75] | 5-7,2-6 | |
| WTA - Miami | 03/27 22:05 | 26 | [11] Konta, Johanna v Arruabarrena, L. [72] | 7-5,6-1 | |
| WTA - Miami | 03/26 20:00 | 25 | [72] Arruabarrena, L. v Madison Keys [9] | 7-5,7-5 | |
| WTA - Miami | 03/24 21:30 | 24 | Begu, Irina-Camelia v Arruabarrena, L. | 6-3,4-6,3-6 | |
| WTA - Miami | 03/21 15:50 | 23 | [72] Arruabarrena, L. v Vikhlyantseva, Natalia [81] | 7-5,6-1 | |
| WTA - Indian Wells | 03/09 19:00 | 23 | [72] Arruabarrena, L. v Safarova, Lucie [40] | 3-6,2-6 | |
| WTA - Dubaï | 02/19 08:00 | 24 | Saisai Zheng v Arruabarrena, L. | 6-4,3-6,6-3 | |
| Fed Cup, Matchs en Doubles | 02/12 13:15 | - | Srtycova, Barbora v Arruabarrena, L. | 6-4,6-4 | |
| Fed Cup, Matchs en Doubles | 02/11 14:55 | - | Karolina Pliskova v Arruabarrena, L. | 6-4,7-5 | |
| Australian Open 2017 Women | 01/17 02:05 | 23 | Arruabarrena, L. v Yulia Putintseva | 6-7,6-7 | |
| WTA - Hobart | 01/11 08:00 | 26 | Arruabarrena, L. v Shelby Rogers | 2-6,2-6 | |
| WTA - Hobart | 01/09 00:00 | 25 | Arruabarrena, L. v Minella, Mandy | 4-6,6-2,6-3 | |
| Hopman Cup Women | 01/05 02:00 | 1 | Hradecka, Lucie v Arruabarrena, L. | 6-2,6-4 | |
| Hopman Cup Women | 01/03 02:00 | 1 | Vandeweghe, Coco v Arruabarrena, L. | 6-2,6-4 | |
| Hopman Cup Women | 01/01 10:50 | 1 | Gavrilova, Daria v Arruabarrena, L. | 5-7,1-6 | |
| Tianjin, Chine | 10/13 03:30 | 26 | Arruabarrena, L. v Monica Puig | 4-6,2-6 | |
| Tianjin, Chine | 10/11 03:00 | 25 | Fangzhou Liu v Arruabarrena, L. | 4-6,6-2,4-6 | |
| Pékin, Chine | 10/03 08:50 | 24 | Bacsinszky, Timea v Arruabarrena, L. | 4-6,6-4,6-1 | |
| WTA Beijing Qual | 10/01 04:20 | 46 | Arruabarrena, L. v King, Vania | 7-5,5-7,6-3 | |
| WTA Beijing Qual | 09/30 03:00 | 45 | Arruabarrena, L. v Zhang, Kai Lin | 6-2,7-6 | |
| WTA Seoul | 09/25 05:00 | 29 | Niculescu, Monica v Arruabarrena, L. | 0-6,6-2,0-6 |