Stadium: Central Court Round: 19 Ground: Hardcourt indoor
| WTA Lyon | 2021/02/27 09:00 | Haas, Barbara v Lois Boisson | 3-6,6-2,7-5 |
| Open d'Australie - Femmes | 2021/01/10 08:10 | Maria Camila Osorio Serrano v Haas, Barbara | 6-3,3-6,7-5 |
| WTA - Linz | 2020/11/11 15:30 | Veronika Kudermetova v Haas, Barbara | 6-0,6-0 |
| Open de France - Femmes | 2020/09/28 13:30 | Haas, Barbara v Su-Wei Hsieh | 3-6,6-7 |
| Open de France - Femmes | 2020/09/25 11:10 | Elena-Gabriela Ruse v Haas, Barbara | 4-6,5-7 |
| Open de France - Femmes | 2020/09/24 12:05 | Julia Grabher v Haas, Barbara | 3-6,3-6 |
| Open de France - Femmes | 2020/09/22 13:10 | Daria Snigur v Haas, Barbara | 0-6,7-5,5-7 |
| US Open Women | 2020/09/01 22:20 | Victoria Azarenka v Haas, Barbara | 6-1,6-2 |
| WTA Lyon | 2021/02/27 10:20 | Gatto-Monticone, Giulia v Cristian, Jaqueline Adina | 6-4,6-1 |
| Grenoble, Singles Qualifying W-ITF-FRA-04A | 2021/02/11 14:10 | Marie Benoit v Gatto-Monticone, Giulia | 6-4,6-4 |
| Grenoble, Singles Qualifying W-ITF-FRA-04A | 2021/02/10 09:00 | Indy De Vroome v Gatto-Monticone, Giulia | 2-6,7-6,4-6 |
| ITF W60 Andrezieux-Boutheon | 2021/01/26 13:15 | Gatto-Monticone, Giulia v Katarina Zavatska | 4-6,1-6 |
| Open d'Australie - Femmes | 2021/01/12 12:05 | Gatto-Monticone, Giulia v Valeria Savinykh | 4-6,6-7 |
| Open d'Australie - Femmes | 2021/01/11 07:40 | Gatto-Monticone, Giulia v Ivakhnenko, Valentyna | 6-2,6-3 |
| Open de France - Femmes | 2020/09/25 11:15 | Sherif, M. v Gatto-Monticone, Giulia | 6-1,6-3 |
| Open de France - Femmes | 2020/09/24 10:15 | Gatto-Monticone, Giulia v Carole Monnet | 4-6,6-3,6-1 |