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| Sutton $10,000 Hard | Jan 22 2012 |
| Qual 1 | Osadchenko(4) - Jazzamay Drew | 6-0 6-4 |
| Qual 2 | Osadchenko(4) - Valeria Podda | 7-5 6-2 |
| 1 | Harriet Dart - Osadchenko | 6-3 6-3 |
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| Linkoping $10,000 Hard | Feb 19 2012 |
| 1 | Dejana Raickovic - Osadchenko | 6-1 7-5 |
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| Helsingborg $10,000 Carpet | Feb 26 2012 |
| 1 | Quirine Lemoine(6) - Osadchenko | 7-5 6-0 |
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| Ali Bey Manavgat $10,000 Clay | Mar 18 2012 |
| 1 | Bianca Hincu - Osadchenko | 4-6 6-2 7-5 |
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| Bournemouth $10,000 Clay | Apr 29 2012 |
| Qual 1 | Kyria Dunford - Osadchenko(6) | 3-6 6-3 6-2 |
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| Bastad $10,000 Clay | May 13 2012 |
| 1 | Sachia Vickery(2) - Osadchenko | 6-2 6-0 |
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| Bastad $10,000 Clay | May 20 2012 |
| 1 | Osadchenko - Louise Brunskog | 7-62 3-6 6-2 |
| 2 | Osadchenko - Matilda Hamlin | 6-2 6-2 |
| QF | Sally Peers(2) - Osadchenko | 6-2 3-0 |
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| Antalya $10,000 Hard | Sep 23 2012 |
| 1 | Osadchenko - Kanami Tsuji | 6-2 7-5 |
| 2 | Yurina Koshino(7) - Osadchenko | 6-1 7-5 |
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| Mytilini $10,000 Hard | Oct 14 2012 |
| 1 | Nicole Clerico(6) - Osadchenko | 6-1 2-6 7-5 |
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| Stockholm $10,000 Hard | Oct 28 2012 |
| 1 | Sandra Roma(3) - Osadchenko | 4-6 6-0 6-1 |
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| Stockholm $10,000 Hard | Nov 4 2012 |
| 1 | Osadchenko - Theresa Kleinsteuber | 6-3 6-2 |
| 2 | Patricia Maria Tig(1) - Osadchenko | 6-1 1-6 6-3 |