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| Vale Do Lobo $10,000 Hard | Feb 9 2003 |
| 1 | Klemenschits - Jana Macurova | 4-6 6-1 6-3 |
| 2 | Linda Smolenakova - Klemenschits | 7-5 6-1 |
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| Albufeira $10,000 Hard | Feb 16 2003 |
| 1 | Lenka Novotna(8) - Klemenschits | 6-77 6-4 6-1 |
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| Gran Canaria $10,000 Clay | Mar 2 2003 |
| 1 | Carla Suarez Navarro-WC - Klemenschits | 6-1 3-6 7-5 |
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| Makarska $10,000 Clay | Mar 16 2003 |
| 1 | Michelle Gerards - Klemenschits | 6-2 6-4 |
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| Rabat $10,000 Clay | Mar 30 2003 |
| 1 | Kim Kilsdonk - Klemenschits | 6-3 6-3 |
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| Antalya $10,000 Clay | Apr 13 2003 |
| 1 | Klemenschits(8) - Hanna Krampe | 3-6 6-4 6-3 |
| 2 | Evgenia Linetskaya - Klemenschits(8) | 6-3 6-0 |
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| Pula $10,000 Clay | May 4 2003 |
| 1 | Sandra Klemenschits(7) - Klemenschits | 6-4 6-2 |
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| Tortosa $10,000 Clay | May 11 2003 |
| 1 | Klemenschits - Ariela Perez-Q | 6-4 6-0 |
| 2 | Ma. Jose Sanchez Alayeto(1) - Klemenschits | 6-4 6-3 |
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| Bromma $25,000 Clay | May 18 2003 |
| Qual 1 | Petra Russegger(8) - Klemenschits | 6-3 3-6 6-3 |
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| Biograd $10,000 Clay | May 25 2003 |
| 1 | Oana Elena Golimbioschi(5) - Klemenschits | 2-6 6-2 6-3 |
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| Zadar $10,000 Clay | Jun 1 2003 |
| 1 | Klemenschits - Natasa Sijakovic-Q | 7-68 6-4 |
| 2 | Darija Jurak(2) - Klemenschits | 6-0 6-3 |
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| Vienna Tier III Clay | Jun 15 2003 |
| Qual 1 | Rossana De Los Rios(1) - Klemenschits | 6-2 6-3 |
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| Gorizia $25,000 Clay | Jun 22 2003 |
| Qual 1 | Klemenschits - Raffaella Bindi(16) | 6-3 6-3 |
| Qual 2 | Morena de Bernardi-WC - Klemenschits | 6-4 6-4 |
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| Fontanafredda $25,000 Clay | Jun 29 2003 |
| Qual 1 | Klemenschits - Emily Stellato(12) | 6-4 6-2 |
| Qual 2 | Klemenschits - Katia Altilia | 6-3 6-4 |
| Qual 3 | Klemenschits - Ana Jovanovic | 6-2 6-0 |
| 1 | Ivana Lisjak - Klemenschits-Q | 6-0 6-3 |
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| Vittel $50,000 Clay | Jul 13 2003 |
| Qual 1 | Rika Fujiwara(1) - Klemenschits | 6-1 6-1 |
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| Garching B.M. $25,000 Clay | Jul 20 2003 |
| Qual 1 | Elise Tamaela - Klemenschits | 6-2 6-3 |
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| Gardone Val Trompia $10,000 Clay | Aug 3 2003 |
| 1 | Klemenschits - Lisa Tognetti | 3-6 6-2 6-4 |
| 2 | Raffaella Bindi(8) - Klemenschits | 6-3 6-1 |
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| Hechingen $25,000 Clay | Aug 10 2003 |
| Qual 1 | Rebekka Haenle-WC - Klemenschits | 6-1 7-5 |
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| Sofia $25,000 Clay | Sep 21 2003 |
| Qual 1 | Rita Degliesposti(11) - Klemenschits | 6-0 6-4 |
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| Caserta $25,000 Clay | Oct 5 2003 |
| Qual 1 | Klemenschits(8) - Barbara Polidoro | 1-6 6-3 6-1 |
| Qual 2 | Klemenschits(8) - Kika Hogendoorn(12) | 6-3 6-3 |
| 1 | Maria Geznenge(8) - Klemenschits-Q | 6-3 6-2 |
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| Latina $50,000 Clay | Oct 12 2003 |
| Qual 1 | Klemenschits - Martina Babakova | 7-67 6-2 |
| Qual 2 | Ana Jovanovic(8) - Klemenschits | 6-2 5-7 6-0 |
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| Dubai $75,000 Hard | Oct 19 2003 |
| Qual 1 | Klemenschits | bye |
| Qual 2 | Aurelija Miseviciute(6) - Klemenschits | 6-0 6-3 |
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| Pattaya City Tier V Hard | Nov 9 2003 |
| Qual 1 | Maki Arai - Klemenschits | 7-67 6-1 |