| ITF W75 Charlottesville | 04/22 21:00 | 54 | Maria Kozyreva v Mia Yamakita | 6-4,4-6,3-6 | |
| ITF W35 Boca Raton | 04/11 16:15 | 26 | [346] Maria Kozyreva v Katrina Scott [485] | 3-6,3-6 | |
| ITF W35 Boca Raton | 04/10 18:05 | 25 | [212] Elvina Kalieva v Maria Kozyreva [346] | 3-6,4-6 | |
| ITF W75 Florianópolis | 04/02 13:10 | 25 | Noelia Zeballos v Maria Kozyreva | 3-6,7-6,6-2 | |
| ITF W50 São Paulo | 03/31 14:00 | 29 | [386] Miriana Tona v Maria Kozyreva [435] | 7-5,0-6,3-6 | |
| ITF W50 São Paulo | 03/30 21:00 | 28 | [369] Daria Lodikova v Maria Kozyreva [435] | 4-6,3-6 | |
| ITF W50 São Paulo | 03/30 16:20 | 27 | Maria Kozyreva v Ekaterina Makarova | Retired | |
| ITF W50 São Paulo | 03/29 18:25 | 26 | [298] Giorgia Pedone v Maria Kozyreva [435] | 6-1,3-6,3-6 | |
| ITF W50 São Paulo | 03/27 13:00 | 25 | [491] Naiktha Bains v Maria Kozyreva [435] | 1-6,7-6,2-6 | |
| ITF W35 Spring | 02/28 19:55 | 25 | [426] Maria Kozyreva v Victoria Hu [311] | 6-7,6-4,3-6 | |
| ITF W35 Wesley Chapel | 02/06 17:25 | 25 | [385] Sayaka Ishii v Maria Kozyreva [422] | 6-4,6-2 | |
| ITF W75 Vero Beach | 01/27 17:30 | 28 | [196] Maria Kozyreva v Maria Lourdes Carle [185] | 7-5,4-6,5-7 |
Maria Alexandrovna Kozyreva (born 22 May 1999) is a Russian tennis player.
Kozyreva has a career-high singles ranking by the WTA of 422, achieved on 5 February 2024. She also has a career-high WTA doubles ranking of 167, reached on 16 October 2023.
Kozyreva won her first major ITF title at the 2022 Tyler Pro Challenge, in the doubles draw, partnering Ashley Lahey.