A 1-0 defeat at Hamburg has checked Stuttgart's momentum at a critical point in the season, leaving Sebastian Hoeneß's side 13th in the Bundesliga with six points from six games. The loss at the Volksparkstadion was a setback after two convincing performances, a 2-0 win at Paderborn and a 3-0 victory at Slovan Bratislava in the Champions League, had suggested the club was finding its rhythm.

The Bratislava result was particularly significant for Deniz Undav. The Stuttgart captain had gone without a goal in all three competitions before breaking his drought in that match, and his tally of twelve European goal involvements since last season made him the most prolific German player in UEFA competition main rounds over that period, according to Opta. After a difficult start shaped partly by an Achilles problem and his omission from Jürgen Klopp's Germany squad, Undav's return to form had given the squad a genuine lift.

The inconsistency that has defined Stuttgart's early campaign remains the central concern. Defeats against Dortmund, Hoffenheim and now Hamburg sit alongside strong results in Europe and domestically, and the table reflects that unevenness. With Atletico Madrid visiting the MHP Arena on Tuesday in the Champions League, Stuttgart face a sharp test of where they genuinely stand. How Hoeneß manages squad rotation and confidence across two competitions will shape the weeks ahead.