Stadium: Court Central Round: 27 Ground: Hardcourt indoor
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/27 14:30 | Tamara Korpatsch v Arn, Greta | 6-1,4-6,4-6 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/26 08:00 | Julia Terziyska v Arn, Greta | 1-6,6-7 |
| ITF Women Lisbon | 2018/09/22 13:45 | Lesley Pattinama Kerkhove v Arn, Greta | 7-6,7-5 |
| ITF Women Lisbon | 2018/09/21 11:00 | Arn, Greta v Nuria Parrizas-Diaz | 2-6,6-3,7-5 |
| ITF Women Lisbon | 2018/09/20 13:30 | Arn, Greta v Yvonne Cavalle-Reimers | 6-3,4-6,6-3 |
| ITF Women Lisbon | 2018/09/19 14:05 | Arn, Greta v Mirjam Bjorklund | 6-2,2-6,6-0 |
| ITF Women Braunschweig | 2018/08/25 14:45 | Jule Niemeier v Arn, Greta | 0-6,6-0,7-6 |
| ITF Women Braunschweig | 2018/08/24 12:50 | Saez Larra, Olga v Arn, Greta | 3-6,4-6 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/27 09:00 | Tess Sugnaux v Manon Arcangioli | 6-1,6-2 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/26 12:45 | Tess Sugnaux v Manon Leonard | 6-2,6-0 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/24 08:30 | Tess Sugnaux v Victoria Muntean | 6-3,6-4 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/23 13:40 | Tess Sugnaux v Delattre, Victoire | 6-0,6-2 |
| ITF Women Saint Malo | 2018/09/16 09:30 | Marie Benoit v Tess Sugnaux | 6-4,6-2 |
| ITF Women Saint Malo | 2018/09/15 07:30 | Tholey, Lea v Tess Sugnaux | 0-6,4-6 |
| ITF Women Montreux | 2018/09/05 12:15 | Tamara Korpatsch v Tess Sugnaux | 6-1,6-2 |
| ITF Women Montreux | 2018/09/04 09:20 | Tess Sugnaux v Akgul Amanmuradova | 7-5,6-4 |