| ITF W25 Trnava | 02/16 12:30 | 28 | [264] Alexandra Cadantu v Isabella Shinikova [252] | 6-3,5-7,3-6 | |
| ITF W25 Trnava | 02/15 12:50 | 27 | [177] Katarina Zavatska v Isabella Shinikova [252] | 4-6,6-3,1-6 | |
| ITF W25 Trnava | 02/14 12:50 | 26 | [252] Isabella Shinikova v Anastasia Zarycka [218] | 1-6,6-4,6-4 | |
| ITF W25 Trnava | 02/13 14:20 | 25 | [252] Isabella Shinikova v Tessah Andrianjafitrimo [325] | 3-6,7-6,6-2 | |
| 2019 Fed Cup | 02/08 09:00 | - | [251] Isabella Shinikova v Mirjam Bjorklund [474] | 3-6,2-6 | |
| 2019 Fed Cup | 02/07 09:00 | - | [195] Marta Kostyuk v Isabella Shinikova [251] | 7-5,6-4 | |
| 2019 Fed Cup | 02/06 09:00 | 1 | Valeria Gorlats v Isabella Shinikova | 6-7,3-6 | |
| ITF W60 Andrezieux-Boutheon | 01/26 13:00 | 28 | [341] Audrey Albie v Isabella Shinikova [265] | 7-5,3-6,6-2 | |
| ITF W60 Andrezieux-Boutheon | 01/25 11:00 | 27 | [160] Bibiane Schoofs v Isabella Shinikova [265] | 4-6,2-6 | |
| ITF W60 Andrezieux-Boutheon | 01/24 09:00 | 26 | [265] Isabella Shinikova v Tamara Korpatsch [120] | 6-4,7-5 | |
| ITF W60 Andrezieux-Boutheon | 01/22 13:50 | 25 | [222] Anastasia Zarycka v Isabella Shinikova [265] | 4-6,3-6 | |
| ITF Dubái - Femenino | 12/12 06:30 | 26 | Kristina Mladenovic v Isabella Shinikova | 6-3,6-2 | |
| ITF Dubái - Femenino | 12/11 09:20 | 25 | [144] Michaella Krajicek v Isabella Shinikova [270] | 5-7,2-6 | |
| ITF Dubái - Femenino | 12/10 06:00 | 54 | [240] Pemra Ozgen v Isabella Shinikova [271] | 6-7,2-6 | |
| ITF Dubái - Femenino | 12/09 08:45 | 54 | Renata Voracova v Isabella Shinikova | 0-6,6-4,4-6 | |
| ITF Dubái - Femenino | 12/09 06:00 | - | [106] Renata Voracova v Isabella Shinikova [271] | 0-6,6-4,4-4 | |
| ITF Dubái - Femenino | 12/08 14:30 | 54 | Angelina Gabueva v Isabella Shinikova | 3-6,4-6 | |
| ITF Shrewsbury - Femenino | 11/07 11:55 | 26 | [377] Valeria Savinykh v Isabella Shinikova [275] | 7-6,6-3 | |
| ITF Shrewsbury - Femenino | 11/06 11:55 | 25 | [275] Isabella Shinikova v Freya Christie [241] | 6-4,6-4 | |
| ITF Petange - Femenino | 11/01 16:30 | 27 | [111] Mandy Minella v Isabella Shinikova [274] | 6-1,6-4 | |
| ITF Petange - Femenino | 10/31 13:00 | 26 | Anna Pribylova v Isabella Shinikova | 0-6,0-6 | |
| ITF Petange - Femenino | 10/29 09:00 | 25 | Lara Salden v Isabella Shinikova | 3-6,2-6 | |
| ITF Poitiers - Femenino | 10/22 10:25 | 54 | Isabella Shinikova v Lou Adler | 6-7,6-2,1-6 | |
| ITF Poitiers - Femenino | 10/21 14:40 | 54 | [277] Isabella Shinikova v Julie Gervais [467] | 7-6,7-6 | |
| ITF Poitiers - Femenino | 10/20 16:30 | 54 | Isabella Shinikova v Mallaurie Noel | 6-2,6-2 | |
| WTA Luxemburgo | 10/14 09:40 | 46 | [161] Varvara Lepchenko v Isabella Shinikova [270] | 3-6,6-4,6-3 | |
| WTA Luxemburgo | 10/13 13:55 | 45 | [270] Isabella Shinikova v Tamara Korpatsch [123] | 6-3,6-7,7-5 | |
| ITF Riba-roja de Túria - Femenino | 10/11 11:55 | 26 | [270] Isabella Shinikova v Irina Fetecau [427] | 4-6,1-6 | |
| ITF Riba-roja de Túria - Femenino | 10/10 10:50 | 25 | [270] Isabella Shinikova v Francesca Jones [476] | 1-6,6-4,7-5 | |
| ITF Óbidos - Femenino | 10/04 09:30 | 26 | [446] Sarah Beth Grey v Isabella Shinikova [270] | 6-4,7-6 |