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| Kaarst $10,000 Carpet | Jan 25 2009 |
| 1 | Estelle Guisard(5) - Avdiyenko | 6-3 6-2 |
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| Buchen $10,000 Carpet | Mar 8 2009 |
| 1 | Avdiyenko - Elyne Boeykens | 7-63 3-6 6-2 |
| 2 | Romina Oprandi(4) - Avdiyenko | 6-4 6-2 |
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| Cairo $25,000 Clay | Mar 22 2009 |
| Qual 1 | Avdiyenko - Aleksandra Filipovski | 6-0 6-3 |
| Qual 2 | Sandra Zaniewska - Avdiyenko | 3-6 7-61 6-3 |
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| Antalya-Belek $10,000 Hard | Apr 5 2009 |
| 1 | Avdiyenko - Diana Marcinkevica | 6-3 4-6 6-2 |
| 2 | Samantha Schoeffel(5) - Avdiyenko | 7-5 6-4 |
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| Belek $10,000 Hard | Apr 12 2009 |
| 1 | Avdiyenko - Milena Zubkov | 6-2 6-1 |
| 2 | Avdiyenko - Hanne Skak Jensen(4) | 7-64 6-2 |
| QF | Avdiyenko - Alexandra Damaschin | 5-7 7-5 7-64 |
| SF | Avdiyenko - Ksenia Kirillova | 4-6 6-3 7-63 |
| F | Eirini Georgatou - Avdiyenko | 3-2 |
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| Wiesbaden $10,000 Clay | May 10 2009 |
| 1 | Avdiyenko - Valentina Stephan | 6-4 6-2 |
| 2 | Avdiyenko - Neda Kozic(6) | 5-7 6-2 7-5 |
| QF | Korina Perkovic(3) - Avdiyenko | walkover |
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| Kharkiv $10,000 Clay | May 31 2009 |
| 1 | Avdiyenko(5) - Anastasia Koroliova | 6-1 6-3 |
| 2 | Kateryna Kozlova - Avdiyenko(5) | 3-6 7-5 3-2 |
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| Stuttgart $25,000 Clay | Jul 5 2009 |
| Qual 1 | Avdiyenko(16) - Annika Beck | 6-4 6-1 |
| Qual 2 | Avdiyenko(16) - Dominice Ripoll(4) | 6-4 6-0 |
| 1 | Nathalie Vierin - Avdiyenko | 6-2 6-0 |
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| Hechingen $25,000 Clay | Aug 9 2009 |
| Qual 1 | Avdiyenko - Laura Sadria | 7-5 6-2 |
| Qual 2 | Avdiyenko - Iveta Gerlova(6) | 7-5 7-65 |
| Qual 3 | Avdiyenko - Laura Robson(14) | 6-3 6-2 |
| 1 | Johanna Larsson - Avdiyenko | 6-1 2-6 6-1 |
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| Telavi $25,000 Clay | Sep 27 2009 |
| Qual 1 | Avdiyenko(6) - Irina Toidze | 6-1 6-0 |
| Qual 2 | Avdiyenko(6) - Ofelya Poghosyan(9) | 7-5 7-5 |
| 1 | Avdiyenko - Yuliya Artsiomava | 6-2 6-1 |
| 2 | Melanie Klaffner(3) - Avdiyenko | 6-3 6-2 |
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| Jounieh $75,000 Clay | Oct 11 2009 |
| Qual 1 | Lesia Tsurenko(1) - Avdiyenko | 6-75 6-4 6-3 |
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| Mallorca $10,000 Clay | Nov 8 2009 |
| Qual 1 | Avdiyenko(3) | bye |
| Qual 2 | Avdiyenko(3) - Mariella Greschik | 6-0 6-0 |
| Qual 3 | Avdiyenko(3) - Maria-Jesus Ibanez-Galindo | 6-1 6-2 |
| 1 | Avdiyenko - Katharina Brown | 6-2 6-1 |
| 2 | Avdiyenko - Tina Schiechtl(4) | 7-5 6-2 |
| QF | Sandra Soler-Sola(5) - Avdiyenko | 6-4 2-6 6-3 |
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| Mallorca $10,000 Clay | Nov 15 2009 |
| 1 | Avdiyenko - Amanda Carreras(8) | 6-4 6-1 |
| 2 | Avdiyenko - Carmen Lopez-Rueda | 6-1 7-5 |
| QF | Lara Arruabarrena - Avdiyenko | 6-4 6-4 |