Freiburg were left still waiting for their first win of the season after being held to a goalless draw by Bayer Leverkusen.
Freiburg were denied their first win of the season deep in stoppage time as Hoffenheim claimed a draw on Tuesday night.
A goal seven minutes into stoppage-time earned 10-man Hertha Berlin a 2-2 draw from their trip to Freiburg.
Shinji Kagawa made a dream return to Dortmund, scoring on his second debut for the club in a 3-1 win over Freiburg.
Full-back Sascha Riether has his sights set on coaching when he retires, but plans to see out his career with Freiburg.
Freiburg and Borussia Monchengladbach were both left waiting for their first win of the season after a 0-0 draw on Sunday.
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