| ITF W100 Oeiras | 04/19 10:00 | 25 | [140] Matilde Jorge v Nuria Parrizas-Diaz [80] | 2-6,2-6 | |
| ITF W100 Oeiras | 04/17 11:45 | 54 | Nuria Parrizas-Diaz v Claudia Hoste Ferrer | 6-0,6-1 | |
| ITF W100 Oeiras | 04/16 15:10 | 54 | Nuria Parrizas-Diaz v Sowjanya Bavisetti | 6-1,6-0 | |
| Billie Jean King Cup | 04/15 09:00 | 14 | [80] Nuria Parrizas-Diaz v Marcela Zacarias [196] | 6-3,6-0 | |
| Billie Jean King Cup | 04/15 09:00 | 14 | Nuria Parrizas-Diaz v Fernanda Contreras Gomez | Cancelled | |
| Billie Jean King Cup | 04/14 11:15 | 14 | [80] Nuria Parrizas-Diaz v Renata Zarazua [277] | 6-4,6-3 | |
| WTA Bogota | 04/03 17:20 | 25 | Francesca Jones v Nuria Parrizas-Diaz | 7-6,6-1 | |
| WTA Indian Wells | 03/12 03:55 | 24 | [88] Nuria Parrizas-Diaz v Paula Badosa [22] | 2-6,5-7 | |
| WTA Indian Wells | 03/09 22:00 | 23 | [88] Nuria Parrizas-Diaz v Elisabetta Cocciaretto [50] | 6-3,7-5 | |
| WTA Monterrey | 03/03 02:05 | 26 | [5] Caroline Garcia v Nuria Parrizas-Diaz [78] | 6-3,6-2 | |
| WTA Monterrey | 02/28 19:20 | 25 | [78] Nuria Parrizas-Diaz v Xiyu Wang [59] | 7-6,2-6,6-4 | |
| WTA Merida | 02/23 01:00 | 26 | [68] Camila Giorgi v Nuria Parrizas-Diaz [79] | 7-6,6-2 | |
| WTA Merida | 02/20 21:30 | 25 | [79] Nuria Parrizas-Diaz v Ana Konjuh [143] | 6-4,6-7,6-2 | |
| WTA Linz | 02/07 18:40 | 25 | [7] Maria Sakkari v Nuria Parrizas-Diaz [79] | 6-1,7-6 | |
| WTA Lyon | 01/31 10:30 | 25 | [75] Nuria Parrizas-Diaz v Anna Bondar [72] | 4-6,4-6 | |
| Australian Open Women | 01/21 00:00 | 25 | [75] Nuria Parrizas-Diaz v Donna Vekic [64] | 2-6,2-6 | |
| Australian Open Women | 01/19 05:45 | 24 | [75] Nuria Parrizas-Diaz v Anastasia Potapova [44] | 6-3,6-2 | |
| Australian Open Women | 01/18 09:30 | 23 | [14] Beatriz Haddad Maia v Nuria Parrizas-Diaz [75] | 6-7,2-6 | |
| WTA Hobart | 01/11 10:05 | 26 | [77] Nuria Parrizas-Diaz v Yulia Putintseva [51] | 2-6,3-6 | |
| WTA Hobart | 01/10 00:00 | 25 | [77] Nuria Parrizas-Diaz v Mayar Sherif [52] | 2-6,6-2,6-1 | |
| WTA Hobart | 01/08 00:00 | 19 | [70] Nuria Parrizas-Diaz v Xinyu Wang [86] | 7-6,6-1 | |
| WTA Hobart | 01/07 01:25 | 14 | [70] Nuria Parrizas-Diaz v Yue Yuan [97] | 4-6,6-2,6-4 | |
| United Cup Women | 01/02 11:00 | - | [70] Nuria Parrizas-Diaz v Maddison Inglis [179] | 6-1,6-3 | |
| United Cup | 01/02 09:20 | - | Nuria Parrizas-Diaz v Zoe Hives | Cancelled | |
| United Cup Women | 12/31 07:35 | - | [70] Nuria Parrizas-Diaz v Katie Swan [145] | 6-3,1-6,2-6 | |
| Billie Jean King Cup | 11/10 16:00 | 1 | [72] Nuria Parrizas-Diaz v Heather Watson [133] | 0-6,2-6 | |
| Billie Jean King Cup | 11/09 16:40 | 1 | [72] Nuria Parrizas-Diaz v Yulia Putintseva [51] | 6-4,2-6,7-6 | |
| WTA Cluj-Napoca | 10/14 18:40 | 27 | [75] Nuria Parrizas-Diaz v Xiyu Wang [59] | 1-6,6-7 | |
| WTA Cluj-Napoca | 10/13 10:35 | 26 | [89] Dalma Galfi v Nuria Parrizas-Diaz [75] | 1-6,4-6 | |
| WTA Cluj-Napoca | 10/11 10:45 | 25 | [75] Nuria Parrizas-Diaz v Irina Bara [150] | 6-1,7-5 |