| WTA Tokyo | 09/24 02:00 | 19 | [155] Harriet Dart v Kalashnikova, Oksana [42] | 6-0,6-4 | |
| WTA Tokyo | 09/23 03:00 | 14 | Kalashnikova, Oksana v Yuki Naito | 2-6,6-3,7-6 | |
| WTA Guadalajara | 09/15 22:15 | 14 | [42] Kalashnikova, Oksana v Raveena Kingsley [328] | 4-6,4-6 | |
| WTA Courmayeur | 10/24 11:05 | 19 | [192] Gatto-Monticone, Giulia v Kalashnikova, Oksana [82] | 6-1,6-4 | |
| WTA Courmayeur | 10/23 17:00 | 14 | Kalashnikova, Oksana v Minella, Mandy | Walkover | |
| WTA Ostrava | 09/18 11:35 | 14 | Fiona Ferro v Kalashnikova, Oksana | 3-6,7-6,6-1 | |
| WTA - Charleston | 04/03 14:00 | 14 | [153] Vikhlyantseva, Natalia v Kalashnikova, Oksana [64] | 6-0,6-0 | |
| WTA Grampians Trophy | 02/03 01:50 | 25 | [72] Sorana Cirstea v Kalashnikova, Oksana [63] | 6-1,6-1 | |
| New York, USA | 08/16 21:05 | 44 | [338] Duan, Ying-Ying v Kalashnikova, Oksana [64] | 6-2,6-1 | |
| WTA Guadalajara | 03/09 17:00 | 45 | [87] Kalashnikova, Oksana v Kostic, Natalija [284] | 4-6,1-6 | |
| ITF Women Dubai | 12/08 13:00 | 54 | [106] Renata Voracova v Kalashnikova, Oksana [75] | 6-1,6-4 | |
| WTA - Mumbaï | 10/28 05:30 | 164 | [280] Yadlapalli, Pranjala v Kalashnikova, Oksana [76] | 6-3,6-3 | |
| WTA - Mumbaï | 10/27 05:30 | 64 | Kalashnikova, Oksana v Palkina, Ksenia | 6-2,6-1 | |
| s-Hertogenbosch, Netherlands, Qualifying | 06/09 11:20 | 45 | [67] Kalashnikova, Oksana v Victoria Duval [220] | 4-6,1-6 | |
| WTA Mumbai Qual | 11/18 07:20 | 45 | [71] Kalashnikova, Oksana v Zhang, Ling [333] | 6-4,1-6,1-6 | |
| WTA Seoul Qual | 09/16 04:45 | 45 | [78] Kalashnikova, Oksana v Elie, Jennifer [272] | 4-6,4-6 | |
| ITF Women Contrexeville Qual | 07/09 12:10 | 54 | Bacquie, Alice v Kalashnikova, Oksana | 6-3,6-4 | |
| WTA Seoul Qual | 09/19 02:00 | 54 | Kalashnikova, Oksana v Piter, Katarzyna | 3-6,5-7 | |
| WTA Seoul Qual | 09/18 02:00 | 46 | Kalashnikova, Oksana v Hong, Seung-Yeon | 6-1,6-3 | |
| WTA Seoul Qual | 09/17 04:40 | 45 | Naydenova, Aleksandrina v Kalashnikova, Oksana | 2-6,7-5,6-7 | |
| WTA Seoul Qual | 09/17 04:35 | - | Grace Min v Kalashnikova, Oksana | 1-2 | |
| ITF Women Navi Mumbai | 12/14 06:40 | - | Kalashnikova, Oksana v Palha, Natasha | Retired | |
| ITF Women Navi Mumbai | 12/13 09:55 | - | Kalashnikova, Oksana v Mukherjee, Amrita | 6-1,6-3 |