American teenager Gio Reyna scored a fine equalizer for the visitors, but they clearly missed injured striker Erling Haaland. The 16-year-old forward Youssoufa Moukoko found his opportunities limited by Frankfurt’s hard-working defense after coming on for the second half.
It’s Dortmund’s second straight consecutive Bundesliga game without a win after last weekend’s 2-1 loss at home to Cologne, which had been previously winless.
Leader Bayern Munich hosts second-place Leipzig in the late game. Bayern can move six points clear of Lucien Favre’s Dortmund in third with a win.
Arminia Bielefeld held on for just its second win, a 2-1 victory at home over relegation rival Mainz.
Bielefeld scored for the first time in a first half this season through Manuel Prietl, and Ritsu Doan added another first-half goal for the promoted side’s first two-goal tally in the division.
Cologne held on for a 2-2 draw against unbeaten Wolfsburg, and Borussia Mönchengladbach was held to a 2-2 draw at Freiburg.