Stadium: Cancha 1 Round: 25 Ground: Hardcourt outdoor
| WTA Monterrey | 2019/04/01 17:15 | Beatriz Haddad Maia v Arn, Greta | 6-4,7-5 |
| WTA Monterrey | 2019/03/31 19:20 | Arn, Greta v Lao, Danielle | 6-4,6-1 |
| WTA Monterrey | 2019/03/30 17:10 | Arn, Greta v Andreea Amalia Rosca | 6-7,6-4,6-1 |
| WTA Budapest | 2019/02/20 10:00 | Arn, Greta v Ekaterina Alexandrova | 6-4,1-6,4-6 |
| WTA Budapest | 2019/02/18 12:10 | Paula Badosa v Arn, Greta | 6-7,0-6 |
| WTA Budapest | 2019/02/17 16:15 | Arn, Greta v Ekaterine Gorgodze | 7-5,1-6,6-2 |
| ITF W25 Trnava | 2019/02/04 11:30 | Juhaszova, Vivien v Arn, Greta | 6-7,6-4,10-3 |
| ITF W60 Andrezieux-Boutheon | 2019/01/21 12:30 | Arn, Greta v Sanchez, Maria | 2-6,2-6 |
| WTA - Miami | 2019/03/18 16:05 | Arruabarrena, L. v Niculescu, Monica | 0-6,6-2,4-6 |
| WTA Guadalajara | 2019/03/12 22:00 | Arruabarrena, L. v Marie Bouzkova | 4-6,4-6 |
| WTA - Indian Wells | 2019/03/04 22:50 | Arruabarrena, L. v Iga Swiatek | 1-6,7-6,2-6 |
| WTA - Dubaï | 2019/02/18 16:05 | Arruabarrena, L. v Cibulkova, Dominika | 7-5,1-6,2-6 |
| WTA - Dubaï | 2019/02/16 09:15 | Arruabarrena, L. v Dabrowski, Gabriela | 6-4,6-3 |
| WTA - Dubaï | 2019/02/15 11:55 | Arruabarrena, L. v Mrdeza, Tereza | 6-3,6-2 |
| WTA - Doha | 2019/02/12 12:20 | Arruabarrena, L. v Lesia Tsurenko | 3-6,0-6 |
| WTA - Doha | 2019/02/10 12:30 | Samsonova, Liudmila v Arruabarrena, L. | 6-2,6-4 |