[citation needed] Timofeeva won her first WTA Tour title on her main-draw debut at the Budapest Grand Prix in July 2023, defeating Kateryna Baindl in three sets in the final.

[4][5] She defeated Alizé Cornet, [6] former Australian Open champion Caroline Wozniacki[7] and 10th seed Beatriz Haddad Maia[8] to advance to the fourth round where she lost to Marta Kostyuk.

[13] Attempting to defend her Budapest Grand Prix title, Timofeeva won her opening match against qualifier Simona Waltert[14] but then lost to Aliaksandra Sasnovich in round two.

Maria Timofeeva's older sister, Antonina, is a rock singer who performs under the name Antonia Queen, and she is also a vocal coach.

[3][19] Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup and Olympic Games are included in win–loss records.