Stadium: Center Court 1 Round: 25
| 2018 Fed Cup | 2018/04/20 08:00 | Astrid Wanja Brune Olsen v Jelena Simic | 1-6,0-6 |
| 2018 Fed Cup | 2018/04/19 08:00 | Jelena Simic v Nicole Nadel | 6-3,6-4 |
| 2018 Fed Cup | 2018/04/18 08:00 | Jelena Simic v Eleonora Molinaro | 6-2,6-4 |
| ITF Women Santa Margherita | 2018/04/11 13:35 | Lena Papadakis v Jelena Simic | 6-0,6-4 |
| ITF Women Santa Margherita Qual | 2018/04/10 12:00 | Jelena Simic v Alexandra Damaschin | 6-7,7-5,6-1 |
| ITF Women Santa Margherita Qual | 2018/04/09 11:00 | Jelena Simic v Alessandra Pezzulla | 6-2,6-0 |
| ITF Women Santa Margherita | 2018/04/04 12:00 | Jelena Simic v Georgia Brescia | 2-6,2-6 |
| ITF Women Santa Margherita Qual | 2018/04/03 12:00 | Ludmilla Samsonova v Jelena Simic | 3-6,6-1,5-7 |
| ITF Women Sassuolo | 2018/06/17 07:30 | Natalie Barbir v Nicole Fossa Huergo | 4-6,6-7 |
| ITF Women Sassuolo | 2018/06/16 09:30 | Natalie Barbir v Martina Zara | 6-3,6-3 |
| ITF Women Maribor Qual | 2018/06/09 07:30 | Natalie Barbir v Emily Morton | 4-6,6-4,1-6 |
| ITF Women Canberra Qual | 2018/03/24 01:00 | Ramona Mataruga v Natalie Barbir | 6-4,3-6,7-6 |
| ITF Women Canberra Qual | 2018/03/17 03:35 | Kaylah McPhee v Natalie Barbir | 6-2,6-0 |
| ITF Women Bendigo Qual | 2017/11/05 04:00 | Natalie Barbir v Angelique Svinos | 4-6,2-6 |
| ITF Women Canberra Qual | 2017/10/29 00:20 | Natalie Barbir v Angelique Svinos | 2-6,1-6 |
| ITF Women Trieste | 2017/09/03 08:00 | Natalie Barbir v Angelica Raggi | 4-6,5-7 |