Stadium: Court 3 Round: 25 Ground: Clay
| Wimbledon Women | 2021/06/22 17:25 | Arruabarrena, L. v Jana Fett | 6-7,5-7 |
| WTA Bol | 2021/06/07 10:40 | Arruabarrena, L. v Cadantu, Alexandra | 0-6,5-7 |
| French Open Women | 2021/05/31 15:25 | Arruabarrena, L. v Varvara Gracheva | 2-6,3-6 |
| French Open Women | 2021/05/28 11:40 | Arruabarrena, L. v Carol Zhao | 6-4,6-2 |
| French Open Women | 2021/05/26 13:00 | Lottner, Antonia v Arruabarrena, L. | 7-6,2-6,4-6 |
| French Open Women | 2021/05/25 08:30 | Usue Maitane Arconada v Arruabarrena, L. | 6-7,2-6 |
| ITF W60 La Bisbal | 2021/05/13 07:55 | Irina Khromacheva v Arruabarrena, L. | 1-6,6-3,6-3 |
| ITF W60 La Bisbal | 2021/05/11 10:40 | Arruabarrena, L. v Kaja Juvan | 6-1,3-6,6-4 |
| ITF W25 Palma del Rio | 2021/07/01 19:55 | Gatto-Monticone, Giulia v Rebeka Masarova | 1-6,2-6 |
| ITF W25 Palma del Rio | 2021/06/30 19:20 | Gatto-Monticone, Giulia v Haruka Kaji | 6-3,6-3 |
| Wimbledon Women | 2021/06/23 10:00 | Arina Rodionova v Gatto-Monticone, Giulia | 6-3,6-0 |
| WTA Birmingham | 2021/06/14 16:00 | Camila Giorgi v Gatto-Monticone, Giulia | 6-3,6-0 |
| WTA Birmingham | 2021/06/13 10:00 | Eden Silva v Gatto-Monticone, Giulia | 0-6,1-6 |
| WTA Birmingham | 2021/06/12 11:35 | Di Giuseppe, Martina v Gatto-Monticone, Giulia | 4-6,4-6 |
| WTA Nottingham | 2021/06/07 10:00 | Caroline Dolehide v Gatto-Monticone, Giulia | 6-4,6-3 |
| French Open Women | 2021/05/25 16:00 | Nara, Kurumi v Gatto-Monticone, Giulia | 6-4,6-2 |