In the highly competitive Chinese Super League (CSL), Haigang is one of the most successful teams, having won several titles and championships over the years. However, there have been some notable defeats for the team in recent seasons.

One such defeat came at the hands of their arch-rivals, the Shandong Luneng Taishan. In a closely contested match, Haigang was defeated by a narrow margin, with the score being 1-2. The defeat was particularly disappointing for the team, as they had put up a strong fight against their opponents.

The defeat was not just a setback for Haigang, but it also highlighted some of the team's weaknesses. One of the main reasons for the defeat was the lack of cohesion among the players. While the team has a talented squad, they lacked the unity required to overcome their rivals.

Another reason for the defeat was the poor performance of the goalkeeper. The goalkeeper failed to make any saves during the match, allowing his counterpart to score two goals. This was a major blow to the team, as the goalkeeper is often considered the backbone of the defense.

Overall, the defeat was a significant setback for Haigang, and it will be interesting to see how the team recovers from this loss. It is clear that the team needs to work on improving their defensive performances and building more unity within the squad if they want to compete at the highest level in the CSL.