Borussia Dortmund faced fourth-tier Sportfreunde Siegen in a pre‑season friendly at Leimbachstadion in Siegen on July 30, 2025. The event featured a major club debut and a returning striker appearance. Reddit+14BVB+14Yahoo Sports+14

New signing Jobe Bellingham made his first appearance in Germany for Dortmund. The England under‑21 international signed a five‑year deal in June and previously appeared at the Club World Cup earlier this month. WikipediaSPORTbible

In his debut, Bellingham played his first minutes as a Dortmund player on German soil. The 19‑year‑old midfielder is expected to develop like his brother Jude, who graduated from Dortmund to Real Madrid. SPORTbible

The match also saw the return of striker Sébastien Haller. The Ivorian had loan spells at Leganés and Utrecht before rejoining Dortmund’s squad during the pre‑season build‑up. Wikipedia

Haller’s comeback builds on his recovery from illness and earlier form at Ajax. His appearance in this friendly is seen as a step toward full fitness ahead of the new season. Wikipedia

Dortmund’s first team returned to training in late July to ramp up fitness and test new players. This friendly was part of their preparation for the 2025‑26 season. BVB+1BVB+1

Sportfreunde Siegen, competing in Regionalliga, hosted the match at their home stadium. The friendly gave local fans access to watch top Bundesliga talent ahead of competitive fixtures. BVB

The kickoff took place at 18:30 local time in Siegen after training sessions earlier that day watched by officials and supporters alike. BVBBVB

Team officials highlighted the importance of integrating new and returning players during the summer. Haller and Bellingham are expected to contribute to squad depth for the coming season.

Fans online noted excitement about seeing Bellingham in Germany for the first time. While comparisons to his older brother Jude persist, the younger Bellingham is forging his own path.

Local media and fans described the event as a successful opener to Dortmund’s season. The match provided a relaxed yet competitive setting for tactical tests.

Dortmund’s management used the match to assess fitness levels and player combinations. The friendly allowed rotation, giving minutes to both regulars and new or returning players.

Club statements noted that no competitive pressure existed, but players were expected to demonstrate readiness for official fixtures in August. Preparations continue ahead of league and cup commitments.

Additional friendlies are scheduled, including one against Lille on August 2. These matches will help BVB fine‑tune tactics and evaluate squad depth.

Overall, Dortmund's pre‑season debut at Siegen highlighted Jobe Bellingham's German debut and Haller's reintegration. The friendly marked a new chapter in squad development ahead of the 2025‑26 season.