| Jun 1, 2024 | Shatil | * | Mashchenko | Round 8: Shatil, Or - Mashchenko, Tamila | ? | |
| May 31, 2024 | Mashchenko | * | Pindado Campos | Round 7: Mashchenko, Tamila - Pindado Campos, Raul | ? | |
| May 30, 2024 | Avdic | * | Mashchenko | Round 6: Avdic, Faris - Mashchenko, Tamila | ? | |
| May 30, 2024 | Mashchenko | * | Brolly | Round 5: Mashchenko, Tamila - Brolly, Pierre-Louis | ? | |
| May 29, 2024 | Friedel | * | Mashchenko | Round 4: Friedel, Marcus - Mashchenko, Tamila | ? | |
| May 28, 2024 | Mashchenko | * | Beisteiner | Round 3: Mashchenko, Tamila - Beisteiner, Joachim | ? | |
| May 27, 2024 | Nied | * | Mashchenko | Round 2: Nied, Pascal - Mashchenko, Tamila | ? | |
| May 26, 2024 | Mashchenko | * | Straub | Round 1: Mashchenko, Tamila - Straub, Juergen, Dr. | ? | |
| Apr 29, 2024 | Tuktamisova | 0–1 | Mashchenko | European Women's Chess Championship 2024 | ? | |
| Apr 28, 2024 | Mashchenko | 0–1 | Rodriguez Redondo | European Women's Chess Championship 2024 | Queen's Gambit Declined: Queen's Knight Variation | |
| Apr 26, 2024 | Mashchenko | 0–1 | Kalayci | European Women's Chess Championship 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 25, 2024 | Harmsen | 1–0 | Mashchenko | European Women's Chess Championship 2024 | Sicilian Defense: Closed | |
| Apr 23, 2024 | Mashchenko | ½–½ | Kalaiyalahan | European Women's Chess Championship 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 22, 2024 | Sandu | 1–0 | Mashchenko | Round 4: Sandu, Mihaela - Mashchenko, Tamila | English Opening: Symmetrical Variation | |
| Apr 21, 2024 | Mashchenko | 1–0 | Skuhala | European Women's Chess Championship 2024 | Slav Defense: Chebanenko Variation | |
| Apr 20, 2024 | Melia | 1–0 | Mashchenko | Round 2: Melia, Salome - Mashchenko, Tamila | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 19, 2024 | Mashchenko | ½–½ | Zimina | Round 1: Mashchenko, Tamila - Zimina, Olga | English Opening: Carls-Bremen System | |
| Mar 29, 2023 | Popovic | 1–0 | Mashchenko | European Individual Women Chess Championship 2023 | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Mar 28, 2023 | Mashchenko | ½–½ | Huseynova | European Individual Women Chess Championship 2023 | English Opening: Symmetrical Variation, Botvinnik System | |
| Mar 27, 2023 | Buchholz | 0–1 | Mashchenko | European Individual Women Chess Championship 2023 | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Mar 26, 2023 | Humbatova | ½–½ | Mashchenko | European Individual Women Chess Championship 2023 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Mar 25, 2023 | Mashchenko | 0–1 | Karaivanova | European Individual Women Chess Championship 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 23, 2023 | Zhezhovska | ½–½ | Mashchenko | European Individual Women Chess Championship 2023 | Benko Gambit Accepted: King Walk Variation | |
| Mar 22, 2023 | Mashchenko | 0–1 | Hrescak | European Individual Women Chess Championship 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 21, 2023 | Gamal | 0–1 | Mashchenko | European Individual Women Chess Championship 2023 | King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line | |
| Mar 20, 2023 | Mashchenko | 0–1 | Pavlidou | European Individual Women Chess Championship 2023 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Mar 19, 2023 | Calzetta Ruiz | 1–0 | Mashchenko | European Individual Women Chess Championship 2023 | Sicilian Defense: Lasker-Pelikan Variation | |
| Mar 18, 2023 | Mashchenko | 0–1 | Unuk | European Individual Women Chess Championship 2023 | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Jan 13, 2023 | Mashchenko | 1–0 | Juhanak | Prague Open | Czech Tour | ? | |
| Jan 12, 2023 | Sindler | * | Mashchenko | Prague Open | Czech Tour | ? | |
| Jan 10, 2023 | Olmo | * | Mashchenko | Prague Open | Czech Tour | ? | |
| Jan 6, 2023 | Mashchenko | 1–0 | Arndt | Prague Open | Czech Tour | ? | |
| Feb 23, 2022 | Kjartansson | 1–0 | Mashchenko | Krageroe Resort Chess 2022 | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Aug 8, 2021 | Mashchenko | * | Loukopoulos | 30th OPEN Chess International Tournament | ? | |
| Aug 7, 2021 | Sirigos | * | Mashchenko | 30th OPEN Chess International Tournament | ? | |
| Aug 6, 2021 | Mashchenko | * | Klimentov | 30th OPEN Chess International Tournament | ? | |
| Aug 5, 2021 | Mashchenko | * | Andronescu | 30th OPEN Chess International Tournament | ? | |
| Aug 4, 2021 | Mitev | 1–0 | Mashchenko | 30th OPEN Chess International Tournament | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Aug 3, 2021 | Mashchenko | * | Bentel | 30th OPEN Chess International Tournament | ? | |
| Aug 2, 2021 | Mashchenko | * | Konstantinidis | 30th OPEN Chess International Tournament | ? | |
| Aug 2, 2021 | Poupalos | * | Mashchenko | 30th OPEN Chess International Tournament | ? | |
| Aug 1, 2021 | Markidis | * | Mashchenko | 30th OPEN Chess International Tournament | ? | |