On Friday, 03.03.23, the German Football  League (DFL) announcd the eaxct timings for matchdays 26-29 for the 2022/23 Bundesliga season. 

Union's fixtures are as follows

• 01.04.2023 | 15:30
• 1. FC Union Berlin vs VfB Stuttgart
• 08.04.2023 | 15:30
• Borussia Dortmund vs 1. FC Union Berlin
• 16.04.2023 | 17:30
• 1. FC Union Berlin vs VfL Bochum
• 23.04.2023 | 19:30 Uhr
• Borussia Mönchengladbach vs 1. FC Union Berlin

Union's complete fixture list can be seen here.