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| Brisbane International Hard | Jan 10 2010 |
| Qual 1 | Kathrin Woerle-Scheller - Kustova | 4-6 7-64 7-65 |
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| Hobart International Hard | Jan 17 2010 |
| Qual 1 | Monica Niculescu - Kustova | 6-3 6-4 |
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| Australian Open Hard | Jan 31 2010 |
| Qual 1 | Zuzana Kucova - Kustova(10) | 6-74 7-5 7-5 |
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| Paris Premier Hard | Feb 14 2010 |
| Qual 1 | Kustova - Lenka Tvaroskova | 6-2 7-60 |
| Qual 2 | Kustova - Tsvetana Pironkova | 6-4 6-3 |
| Qual 3 | Raluca Olaru - Kustova | 6-3 7-63 |
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| Dubai Premier Hard | Feb 21 2010 |
| Qual 1 | Shuai Zhang - Kustova(15) | 6-3 4-6 6-2 |
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| Kuala Lumpur International Hard | Feb 28 2010 |
| 1 | Ekaterina Ivanova - Kustova | 4-6 6-4 6-2 |
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| Hammond $25,000 Hard | Mar 7 2010 |
| 1 | Kustova(2) - Ivana Lisjak | 6-4 7-612 |
| 2 | Yi-Miao Zhou - Kustova(2) | 7-67 5-7 6-0 |
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| Indian Wells Premier Hard | Mar 21 2010 |
| Qual 1 | Ayumi Morita(6) - Kustova | 6-2 4-6 6-4 |
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| Miami Premier Hard | Apr 4 2010 |
| Qual 1 | Kustova - Kai-Chen Chang(9) | 6-4 6-4 |
| Qual 2 | Casey Dellacqua - Kustova | 6-2 6-2 |
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| Civitavecchia $25,000 Clay | Apr 11 2010 |
| 1 | Kustova(2) - Petra Cetkovska | 7-5 6-2 |
| 2 | Kustova(2) - Karolina Kosinska | 6-2 |
| QF | Kustova(2) - Liana Ungur | 6-1 2-6 7-5 |
| SF | Anna Floris(3) - Kustova(2) | 7-62 5-7 6-4 |
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| Bari $25,000 Clay | Apr 25 2010 |
| 1 | Kustova(3) - Marina Shamayko | 2-6 6-4 6-4 |
| 2 | Anastasia Pivovarova - Kustova(3) | 3-6 6-2 6-2 |
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| Cagnes-sur-Mer $100,000 Clay | May 2 2010 |
| 1 | Kustova - Scarlett Werner | 7-5 7-5 |
| 2 | Kristina Barrois(5) - Kustova | 6-2 1-6 6-4 |
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| Prague $50,000 Clay | May 16 2010 |
| 1 | Kustova(6) - Michaela Honcova | 6-3 6-4 |
| 2 | Corinna Dentoni - Kustova(6) | 7-65 6-4 |
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| Roland Garros Clay | Jun 6 2010 |
| Qual 1 | Simona Halep(9) - Kustova | 6-0 7-62 |
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| Brno $25,000 Clay | Jun 6 2010 |
| 1 | Kustova(2) - Carmen Klaschka | 6-2 7-5 |
| 2 | Kustova(2) - Justine Ozga | 6-3 6-0 |
| QF | Kustova(2) - Florencia Molinero | 6-1 6-0 |
| SF | Zuzana Ondraskova(3) - Kustova(2) | 4-6 7-62 4-1 |
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| Zlin $50,000 Clay | Jun 13 2010 |
| 1 | Kustova(5) - Katerina Kramperova | 6-0 6-2 |
| 2 | Kustova(5) - Laura Siegemund | 6-3 3-6 6-2 |
| QF | Corinna Dentoni - Kustova(5) | 6-2 6-1 |
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| Wimbledon Grass | Jul 4 2010 |
| Qual 1 | Nuria Llagostera Vives - Kustova | 6-2 6-1 |
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| Budapest International Clay | Jul 11 2010 |
| 1 | Greta Arn - Kustova | 3-6 6-0 6-3 |
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| Palermo International Clay | Jul 18 2010 |
| Qual 1 | Martina Caregaro - Kustova | 6-2 6-1 |
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| Petange $100,000 Clay | Jul 25 2010 |
| 1 | Kustova - Ekaterina Bychkova(5) | 6-0 7-5 |
| 2 | Kustova - Maryna Zanevska | 6-3 4-6 6-2 |
| QF | Kustova - Elena Bogdan | 6-3 6-1 |
| SF | Monica Niculescu(3) - Kustova | 4-6 6-3 6-4 |
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| Moscow $25,000 Clay | Aug 8 2010 |
| 1 | Kustova(2) - Marina Shamayko | 7-62 6-1 |
| 2 | Kustova(2) - Anastasia Mukhametova | 6-4 7-64 |
| QF | Kustova(2) - Anna Arina Marenko | 6-2 6-3 |
| SF | Kustova(2) - Yuliya Kalabina(5) | 6-3 6-72 7-5 |
| F | Ekaterina Bychkova(1) - Kustova(2) | 6-2 7-5 |
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| Koksijde $25,000 Clay | Aug 15 2010 |
| 1 | Kustova(1) - Anna Livadaru | 6-2 6-2 |
| 2 | Lara Arruabarrena - Kustova(1) | 6-4 6-3 |
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| US Open Hard | Sep 12 2010 |
| Qual 1 | Anastasia Pivovarova(10) - Kustova | 7-5 6-4 |
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| Mestre $50,000 Clay | Sep 19 2010 |
| 1 | Bianca Botto - Kustova(9) | 6-3 6-2 |
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| Tashkent International Hard | Sep 26 2010 |
| 1 | Kustova - Nigina Abduraimova-WC | 5-7 6-3 6-3 |
| 2 | Kustova - Magdalena Rybarikova(6) | 6-2 4-6 6-3 |
| QF | Elena Vesnina(4) - Kustova | 6-0 6-1 |
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| Jounieh $100,000 Clay | Oct 10 2010 |
| 1 | Renata Voracova(1) - Kustova | 6-3 6-2 |
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| Moscow Premier Hard | Oct 24 2010 |
| Qual 1 | Alexandra Krunic - Kustova | 6-3 5-7 6-3 |
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| Istanbul $25,000 Hard | Oct 31 2010 |
| 1 | Kustova(2) - Paula Kania | 6-3 7-64 |
| 2 | Kustova(2) - Ksenia Palkina | 6-3 3-6 6-2 |
| QF | Kustova(2) - Magali De Lattre | 7-5 6-2 |
| SF | Iryna Brémond - Kustova(2) | 6-4 7-5 |
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| Ismaning $50,000 Carpet | Nov 7 2010 |
| 1 | Kustova - Oxana Lyubtsova | 6-3 6-4 |
| 2 | Regina Kulikova(3) - Kustova | 6-1 6-2 |