At the beginning of 2004, Bondarenko qualified for the first time in the main draw and even claim her first victory there, when she defeated Nuria Llagostera Vives in three sets before being double-bageled by eventual champion Fabiola Zuluaga in the next round. After that she then went back to the ITF circuit where she won her third title in Bari, prevailing over younger sister Kateryna Bondarenko in the finals 2–6, 6–2, 6–4. In her next tournaments following, she had a bad run failing to qualify in any of the WTA events she entered while falling early in the ITF events she entered. She then reached the finals of Orbetello, losing to Catalina Castaño in three sets. She then made little progress and ended the year with a runner-up performance in Deauville, losing to Květa Peschke 0–6, 3–6 and quarterfinal appearances in the ITF events of Poitiers and Bergamo.