The reserve team opened up the 2003–04 season with a 2–0 win against Rot-Weiß Erfurt on 2 August 2003. The reserve team opened the season with an 18–match undefeated streak that spanned from 2 August 2003 to 22 November 2003. The streak included a 6–1 win against VfR Aalen on 22 August 2003, a 4–1 win against Sportfreunde Siegen on 7 September 2003, a 4–0 win against Kickers Offenbach on 26 September 2003, and a 5–1 win against SC Pfullendorf on 2 November 2003. The first loss of the 2003–04 season was a 1–0 loss to 1. FC Schweinfurt 05. The reserve team would go on to lose on three more fixtures. They finished the season as Regionalliga Süd champions.