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| Hobart Tier V Hard | Jan 16 2005 |
| Qual 1 | Nannan Liu - Gubacsi | 6-75 7-5 6-4 |
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| Australian Open Hard | Jan 30 2005 |
| Qual 1 | Gubacsi - Dubravka Cupac-WC | 6-1 6-2 |
| Qual 2 | Gubacsi - Maret Ani | 3-6 6-2 6-4 |
| Qual 3 | Gubacsi - Jennifer Hopkins(13) | 6-1 6-77 6-1 |
| 1 | Lindsay Lee-Waters - Gubacsi-Q | 6-3 7-5 |
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| Bogota Tier III Clay | Feb 20 2005 |
| 1 | Gubacsi - Vilmarie Castellvi | 6-4 7-5 |
| 2 | Barbora Zahlavova Strycova(5) - Gubacsi | 6-3 6-0 |
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| Acapulco Tier III Clay | Feb 27 2005 |
| Qual 1 | Nuria Roig - Gubacsi(5) | 6-2 3-6 6-4 |
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| Rome - Eur $25,000 Clay | Apr 10 2005 |
| 1 | Gubacsi(1) - Sandra Zahlavova-Q | 6-4 6-2 |
| 2 | Gubacsi(1) - Giulia Gabba | 7-64 7-62 |
| QF | Tatjana Priachin - Gubacsi(1) | 6-4 6-3 |
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| Fed Cup Zone Group I | Apr 24 2005 |
| | Anne Kremer-lux - Gubacsi | 7-5 6-78 6-3 |
| | Gubacsi - Maret Ani-est | 6-1 7-5 |
| | Magdalena Maleeva-bul - Gubacsi | 7-64 6-2 |
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| Berlin Tier I Clay | May 8 2005 |
| Qual 1 | Libuse Prusova - Gubacsi(16) | 6-4 1-6 6-2 |
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| Roland Garros Clay | Jun 5 2005 |
| Qual 1 | Gubacsi - Florence Haring | 6-0 6-4 |
| Qual 2 | Eva Birnerova(22) - Gubacsi | 4-6 6-0 7-5 |
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| Raanana $25,000 Hard | Jun 5 2005 |
| 1 | Gubacsi(2) - Heli Bargil | 6-2 6-2 |
| 2 | Gubacsi(2) - Laura Siegemund | 6-0 6-2 |
| QF | Margalita Chakhnashvili(5) - Gubacsi(2) | 2-6 7-5 6-0 |
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| Wimbledon Grass | Jul 3 2005 |
| Qual 1 | Laura Pous-Tio(1) - Gubacsi | 6-4 6-0 |
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| Modena Tier IV Clay | Jul 17 2005 |
| Qual 1 | Maret Ani - Gubacsi | 6-3 3-6 6-4 |
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| Petange $50,000 Clay | Jul 24 2005 |
| 1 | Gubacsi - Tessy Van De Ven-LL | 6-2 4-6 6-3 |
| 2 | Sofia Arvidsson(1) - Gubacsi | 6-1 6-1 |
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| Budapest Tier IV Clay | Jul 31 2005 |
| Qual 1 | Gubacsi - Eva Fislova | 4-6 7-5 6-3 |
| Qual 2 | Sabine Klaschka(8) - Gubacsi | 7-5 7-5 |
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| Martina Franca $50,000 Clay | Aug 7 2005 |
| 1 | Gubacsi - Teodora Mircic | 6-4 6-3 |
| 2 | Gubacsi - Ana Vrljic-LL | 1-6 6-3 6-1 |
| QF | Andreja Klepac-Q - Gubacsi | 6-1 6-2 |
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| US Open Hard | Sep 11 2005 |
| Qual 1 | Alice Canepa - Gubacsi | 6-3 6-2 |
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| Denain $75,000 Clay | Sep 11 2005 |
| 1 | Stephanie Foretz Gacon(4) - Gubacsi | 6-2 6-1 |
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| Portoroz Tier IV Hard | Sep 25 2005 |
| Qual 1 | Gubacsi - Silvija Talaja(3) | 4-6 7-66 4-3 |
| Qual 2 | Matea Mezak - Gubacsi | 6-4 0-6 6-4 |
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| Biella $50,000 Clay | Oct 2 2005 |
| 1 | Kaia Kanepi - Gubacsi | 3-6 6-2 6-1 |
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| Barcelona $75,000 Clay | Oct 9 2005 |
| 1 | Darija Jurak-Q - Gubacsi | 5-7 6-4 6-3 |
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| Joue les Tours $50,000 Hard | Oct 16 2005 |
| 1 | Gubacsi - Alice Bellicha | 6-0 6-1 |
| 2 | Yulia Beygelzimer-Q - Gubacsi | 6-4 7-5 |
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| Istanbul $25,000 Hard | Oct 30 2005 |
| 1 | Elena Chalova-Q - Gubacsi(2) | 6-3 7-63 |
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| Dubai $75,000 Hard | Dec 18 2005 |
| 1 | Jelena Kostanic Tosic(8) - Gubacsi | 6-1 4-6 6-2 |