Mainz and Hamburg played out a hard-fought 1-1 draw, with both sides demonstrating their defensive solidity but ultimately lacking the cutting edge to secure all three points.

Mainz took the lead in the first half through a well-taken goal by Amiri, who capitalized on a well-worked move down the right flank to put his side ahead. However, Hamburg equalized in the second half through Vieira, who made the most of Mainz's high defensive line to break through and score the equalizer.

The key tactical reason why Mainz were able to take the lead was their ability to dominate possession in the first half, holding 55% of the ball and taking 14 shots inside the box compared to just 5 for Hamburg. This allowed them to create more chances and ultimately find the breakthrough. However, their failure to convert more of their opportunities, with an xG of 1.53 compared to just 1 goal, ultimately cost them the win.

On the other hand, Hamburg's tactical success in the second half was their ability to exploit the space in behind Mainz's high defensive line, with Vieira's goal coming from a quick counterattack. However, their failure to control possession and create more clear-cut chances, as evidenced by their lower shot count and xG, meant they were unable to capitalize on their equalizer and secure the victory.