Stadium: Grandstand 4 Round: 28 Ground: Clay
| WTA Prague | 2020/08/31 11:30 | Tena Lukas v Giulia Gatto Monticone | 3-6,3-6 |
| ITF Women Olomouc | 2018/07/17 08:00 | Giulia Gatto Monticone v Tena Lukas | 6-4,6-3 |
| ITF Women Santa Margherita | 2017/10/10 14:25 | Giulia Gatto Monticone v Tena Lukas | 6-3,7-5 |
| ITF W25 Otocec | 2021/06/02 12:55 | Raluca Georgiana Serban v Tena Lukas | 6-3,6-3 |
| ITF W25 Otocec | 2021/05/26 11:30 | Tena Lukas v Iva Primorac | 1-6,6-3,2-6 |
| WTA Belgrade | 2021/05/15 14:05 | Jaqueline Adina Cristian v Tena Lukas | 6-0,0-6,6-4 |
| ITF W60 Zagreb | 2021/04/25 11:55 | Andreea Prisacariu v Tena Lukas | 1-6,6-2,10-6 |
| WTA Stuttgart | 2021/04/17 17:55 | Angelica Moratelli v Tena Lukas | 6-0,7-5 |
| ITF W60 Oeiras | 2021/04/13 15:30 | Conny Perrin v Tena Lukas | 6-0,6-4 |
| ITF W60 Bellinzona | 2021/04/05 11:30 | Tereza Mrdeza v Tena Lukas | 6-3,6-4 |
| ITF W25 Moscow | 2021/02/24 08:00 | Jacqueline Cabaj Awad v Tena Lukas | 7-6,6-3 |
| French Open Women | 2021/05/25 16:00 | Kurumi Nara v Giulia Gatto Monticone | 6-4,6-2 |
| WTA Parma | 2021/05/18 15:05 | Giulia Gatto Monticone v Ludmilla Samsonova | 2-6,2-6 |
| WTA Rome | 2021/05/08 12:15 | Alize Cornet v Giulia Gatto Monticone | 7-6,6-7,6-4 |
| WTA Bogota | 2021/04/08 15:00 | Tamara Zidansek v Giulia Gatto Monticone | 6-2,6-3 |
| WTA Bogota | 2021/04/06 15:00 | Astra Sharma v Giulia Gatto Monticone | 6-4,5-7,1-6 |
| WTA Bogota | 2021/04/04 20:10 | Giulia Gatto Monticone v Marie Benoit | 4-6,7-5,6-3 |
| WTA Bogota | 2021/04/03 19:30 | Giulia Gatto Monticone v Kelly L Vargas Gonzalez | 6-3,6-0 |
| ITF W25 Buenos Aires | 2021/03/27 14:30 | Giulia Gatto Monticone v Carolina Alves | 2-6,1-6 |