| Tabarka, Singles W-ITF-TUN-18A | 10/26 14:05 | 26 | Crescenzi, Giulia v Poznikhirenko, Ganna | 5-7,2-6 | |
| Tabarka, Singles W-ITF-TUN-18A | 10/23 11:10 | 25 | Atik, Rita v Poznikhirenko, Ganna | Retired | |
| ITF W25 Santa Margherita | 10/02 14:00 | 25 | [284] Mrdeza, Tereza v Poznikhirenko, Ganna [419] | 3-6,7-6,7-5 | |
| ITF W25 Santa Margherita | 10/01 13:40 | 45 | [419] Poznikhirenko, Ganna v Polina Leykina [459] | Retired | |
| ITF W25 Santa Margherita | 09/26 14:00 | 26 | [408] Poznikhirenko, Ganna v Rubini, Stefania [311] | 7-5,5-7,5-7 | |
| ITF W25 Santa Margherita | 09/25 15:15 | 25 | Melania Delai v Poznikhirenko, Ganna | 6-3,2-6,3-6 | |
| ITF W25 Santa Margherita | 09/18 12:00 | 25 | [233] Ivakhnenko, Valentyna v Poznikhirenko, Ganna [411] | 6-2,6-2 | |
| ITF W25 Santa Margherita | 09/13 14:15 | 26 | [485] Polina Leykina v Poznikhirenko, Ganna [413] | 7-6,4-6,6-2 | |
| ITF W25 Santa Margherita | 09/12 15:10 | 25 | Zoe Kruger v Poznikhirenko, Ganna | 3-6,3-6 | |
| Penza, Singles Qualifying W-ITF-RUS-01B | 08/28 09:30 | 25 | Poznikhirenko, Ganna v Ianchuk, Olga | 4-6,4-6 | |
| Varsovie, Simples W-ITF-POL-02A | 08/05 07:00 | 45 | Poznikhirenko, Ganna v Ipek Oz | Cancelled | |
| Moscou, Simples W-ITF-RUS-02A | 07/27 10:35 | 28 | [456] Koval, Vlada v Poznikhirenko, Ganna [400] | 3-6,7-6,6-2 | |
| Moscou, Simples W-ITF-RUS-02A | 07/26 07:00 | 27 | Shcherbinina, Alina v Poznikhirenko, Ganna | 2-6,6-3,4-6 | |
| Moscou, Simples W-ITF-RUS-02A | 07/25 07:00 | 26 | Frolova, Anastasia v Poznikhirenko, Ganna | Retired | |
| Moscou, Simples W-ITF-RUS-02A | 07/23 09:00 | 25 | [479] Tess Sugnaux v Poznikhirenko, Ganna [400] | 4-6,4-6 | |
| WTA Lausanne | 07/13 08:00 | 45 | [160] Haas, Barbara v Poznikhirenko, Ganna [400] | 6-2,6-2 | |
| ITF W25 Torino | 07/09 09:30 | 54 | Poznikhirenko, Ganna v Scala, Camilla | 4-6,3-6 | |
| ITF W25 Torino | 07/08 15:55 | 54 | Poznikhirenko, Ganna v Trevisan, Federica | 6-4,6-2 | |
| ITF W25 Denain | 07/03 10:00 | 25 | [400] Poznikhirenko, Ganna v Kostova, Elitsa [220] | 3-6,3-6 | |
| ITF W60 Rome | 06/10 15:35 | 45 | [402] Poznikhirenko, Ganna v Dascalu, Nicoleta-Catalina [475] | 6-7,1-6 | |
| ITF W60 Brescia | 06/03 15:30 | 45 | [188] Federica Di Sarra v Poznikhirenko, Ganna [397] | 6-4,6-2 | |
| Namangan, Singles W-ITF-UZB-02A | 05/01 08:20 | 25 | Kamilla Rakhimova v Poznikhirenko, Ganna | 6-1,6-1 | |
| Andijan, Singles W-ITF-UZB-01A | 04/24 05:00 | 25 | Anastasia Zakharova v Poznikhirenko, Ganna | 6-0,6-0 | |
| ITF W60 Istanbul | 04/12 08:55 | 26 | [95] Diatchenko, Vitalia v Poznikhirenko, Ganna [345] | 6-0,6-0 | |
| ITF W60 Istanbul | 04/11 16:30 | 25 | Ivana Popovic v Poznikhirenko, Ganna | 4-6,4-6 | |
| ITF W25 Kazan | 03/14 10:10 | 26 | [401] Poznikhirenko, Ganna v Elena Rybakina [194] | 2-6,3-6 | |
| ITF W25 Kazan | 03/13 07:00 | 25 | [401] Poznikhirenko, Ganna v Mishina, Daria [419] | 6-7,7-5,6-2 | |
| ITF W25 Kazan | 03/12 07:00 | 45 | [337] Ekaterina Yashina v Poznikhirenko, Ganna [401] | 2-6,1-6 | |
| ITF W25 Kazan | 03/11 13:15 | 45 | [466] Iryna Shymanovich v Poznikhirenko, Ganna [401] | 2-6,4-6 | |
| Moscou, Simples W-ITF-RUS-02A | 03/03 09:00 | 29 | [193] Elena Rybakina v Poznikhirenko, Ganna [401] | 7-5,6-0 |