The friendly against Real Club Celta de Vigo (14.00 CET) is the highlight. Celta Vigo play in the Spanish top flight and they ended last season in thirteenth place under coach Eduardo Berizzo. One familiar face in their squad is Marcelo Díaz, who played for Hamburg SV in the Bundesliga until the last winter break.
Post-match autograph session
Once again, there will be plenty of activities for young and old throughout the stadium. That includes an autograph session with the Bayer 04 stars - that will take place after the match.
Tickets for the season launch will be available from the beginning of July via the usual channels at five euros for adults and three euros for children. Further information will be available at bayer04.de. Bayer 04 season ticket holders can look forward to receiving a personal invitation in the next few days. Every visitor will be entitled to a free drink - the entrance ticket counts as a voucher.
Pre-season timetable
The first team pre-season begins on 3 and 4 July, with extensive performance tests the Werkstatt. A day later, on Wednesday 5 July at 10.00 CET, head coach Heiko Herrlich will hold his first training session at the training ground. That session will be open so fans and visitors can see the squad in action in Leverkusen.
The Werkself play SF Baumberg on 8 July in a 14.30 CET kick-off. The match will staged at the nearby Jahnstadion in Langenfeld (Jahnstraße 4, 40764 Langenfeld). Bayer 04 have another friendly on 19 July against Bonner SC. The fixture in Bonn kicks off at 18.30 CET.
The summer training camp starts on 23 July. As in previous years, the squad will prepare for next season in the best possible conditions in Zell am See/ Kaprun until 31 July.
The first competitive game of the new campaign sees the Werkself take on third division opponents Karlsruhe SC in the DFB Cup. The tie will be played between 11 and 14 August.
The Bundesliga campaign starts a week later on 18 August. The German Football League (DFL) will publish the 2017/18 fixture list on 29 June.
Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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Opening opponents, derby weekends, the opponents in the season finale: This information and more will be available to Bayer 04 fans on Thursday, 2 July, when the 2026/27 Bundesliga fixture list is published.
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The next footballing highlight is just around the corner: the 2026 FIFA World Cup, the 23rd edition of the tournament, will be held in the USA, Canada and Mexico and feature 48 teams for the first time. Bayer04.de has all the latest on the Werkself players called up to represent their countries.
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While the majority of the Bayer 04 Women are enjoying their summer break, nine Werkself players will be on duty for their national teams in the coming days. Three of them are competing for a place at the World Cup, while six are involved in two friendlies with the Germany U23 team.
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