Stadium: Court 2 Round: 26
| ITF Women Braunschweig | 2018/08/22 13:05 | Caroline Werner v Alexandra Vecic | 4-6,6-4,4-6 |
| ITF Women Horb | 2018/07/25 13:55 | Alexandra Vecic v Iva Primorac | 1-6,6-7 |
| ITF Women Stuttgart | 2018/06/28 10:00 | Yvonne Cavalle-Reimers v Alexandra Vecic | 6-4,4-6,6-2 |
| ITF Women Stuttgart | 2018/06/27 10:30 | Alexandra Vecic v Ekaterine Gorgodze | 2-6,6-2,6-3 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/18 09:00 | Alexandra Vecic v Mestach, An Sophie | 4-6,5-7 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/17 09:30 | Heimen, Dana v Alexandra Vecic | 2-6,6-3,3-6 |
| ITF Women Stuttgart | 2018/01/24 11:35 | Alexandra Vecic v Nina Potocnik | 4-6,3-6 |
| ITF Women Hechingen Qual | 2017/08/06 15:55 | Alexandra Vecic v Heisen, Vivian | 6-7,3-6 |
| ITF Women Braunschweig | 2018/08/21 12:35 | Arn, Greta v Burger, Cindy | 7-5,6-3 |
| WTA Gstaad Qual | 2018/07/14 15:50 | Arn, Greta v Allie Kiick | 2-6,2-6 |
| ITF Women Budapest | 2018/07/09 11:00 | Tena Lukas v Arn, Greta | 6-2,6-4 |
| Indian Harbour Beach, Simples W-WITF-USA-10A | 2018/04/11 17:40 | Ons Jabeur v Arn, Greta | 6-3,6-0 |
| WTA Charleston Qual | 2018/03/31 19:15 | Garcia Perez, Georgina v Arn, Greta | 6-2,7-6 |
| ITF Women Dubai Qual | 2017/12/11 06:30 | Fanny Stollar v Arn, Greta | 6-3,5-7,6-3 |
| ITF Women Dubai Qual | 2017/12/10 06:00 | Arn, Greta v Valeria Savinykh | 6-3,6-4 |
| ITF Women Dubai Qual | 2017/12/09 06:30 | Rosolska, Alicja v Arn, Greta | 3-6,1-6 |