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| Cairo $10,000 Clay | Mar 20 2005 |
| Qual 1 | Avdiyenko(1) | bye |
| Qual 2 | Avdiyenko(1) - Elena Oslyakova | 6-2 6-2 |
| Qual 3 | Avdiyenko(1) - Simona Morici | 6-4 6-3 |
| 1 | Avdiyenko(4)-Q - Elena Stoianova | 6-0 6-4 |
| 2 | Mareike Biglmaier-Q - Avdiyenko(4)-Q | 5-7 7-5 6-3 |
| | |
| Ain Alsoukhna $10,000 Clay | Mar 27 2005 |
| 1 | Avdiyenko(7) - Alexandra Panova-Q | 6-2 6-3 |
| 2 | Avdiyenko(7) - Valeria Bondarenko | 6-1 6-73 6-3 |
| QF | Johanna Larsson-Q - Avdiyenko(7) | 6-1 4-6 6-1 |
| | |
| Cairo $10,000 Clay | Apr 3 2005 |
| 1 | Galyna Kossyk-Q - Avdiyenko(4) | 2-6 6-4 6-3 |
| | |
| Antalya $10,000 Clay | May 8 2005 |
| 1 | Tatia Mikadze - Avdiyenko | 6-1 6-1 |
| | |
| Antalya $25,000 Clay | May 15 2005 |
| Qual 1 | Avdiyenko(9) | bye |
| Qual 2 | Avdiyenko(9) - Sofia Shapatava | 6-0 6-1 |
| Qual 3 | Oxana Karyshkova(8) - Avdiyenko(9) | 6-2 6-3 |
| 1 | Avdiyenko-LL - Simona Matei | 6-2 6-73 6-4 |
| 2 | Olivia Sanchez - Avdiyenko-LL | 2-6 6-4 6-3 |
| | |
| Bucharest $10,000 Clay | Jun 19 2005 |
| Qual 1 | Avdiyenko(1) | bye |
| Qual 2 | Avdiyenko(1) - Alexandra Damaschin | 6-4 7-5 |
| Qual 3 | Avdiyenko(1) - Silvia Irimescu | 6-2 6-1 |
| 1 | Corina Corduneanu - Avdiyenko-Q | 6-1 6-3 |
| | |
| Bucharest $10,000 Clay | Jun 26 2005 |
| 1 | Avdiyenko - Elena Chalova-Q | 1-6 7-67 7-5 |
| 2 | Avdiyenko - Vojislava Lukic(7) | 6-4 6-3 |
| QF | Avdiyenko - Anna Bastrikova(3) | 6-3 6-4 |
| SF | Corina Corduneanu - Avdiyenko | 6-1 6-2 |
| | |
| Torun $25,000 Clay | Jul 10 2005 |
| Qual 1 | Avdiyenko(12) | bye |
| Qual 2 | Avdiyenko(12) - Anna Mydlowska | 6-1 6-4 |
| Qual 3 | Avdiyenko(12) - Barbara Pocza(3) | 7-63 6-0 |
| 1 | Avdiyenko-Q - Aurelie Vedy | 6-4 6-1 |
| 2 | Alizé Cornet - Avdiyenko-Q | 6-4 3-6 6-1 |
| | |
| Gdynia $10,000 Clay | Aug 14 2005 |
| 1 | Avdiyenko(2) - Karolyn Grymel-Q | 6-2 6-0 |
| 2 | Avdiyenko(2) - Anna Korzeniak | 7-63 7-62 |
| QF | Magdalena Tokarczyk - Avdiyenko(2) | 6-4 7-64 |
| | |
| Kedzierzyn Kozle $25,000 Clay | Aug 21 2005 |
| Qual 2 | Avdiyenko - Nadejda Vassileva | 7-64 6-1 |
| Qual 3 | Avdiyenko - Masa Zec Peskiric | 6-4 6-4 |
| 1 | Avdiyenko-Q - Ana Vrljic | 6-1 7-63 |
| 2 | Natalia Gussoni - Avdiyenko-Q | 7-63 3-0 |
| | |
| Jounieh $75,000 Clay | Sep 25 2005 |
| 1 | Ludmila Cervanova(4) - Avdiyenko | 7-5 6-1 |
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| Istanbul $25,000 Hard | Oct 30 2005 |
| Qual 1 | Avdiyenko(9) - Yana Levchenko | 6-4 6-1 |
| Qual 2 | Agnieszka Radwanska - Avdiyenko(9) | 6-2 6-0 |
| | |
| Minsk $25,000 Carpet | Nov 6 2005 |
| 1 | Anastasiya Yakimova(1) - Avdiyenko | 6-0 6-3 |
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| Dubai $75,000 Hard | Dec 18 2005 |
| Qual 1 | Avdiyenko - Agnes Szatmari | 6-0 6-1 |
| Qual 2 | Olga Panova(8) - Avdiyenko | 5-7 6-4 7-63 |