Switzerland had the better of the chances late on but there was to be no winning goal. Rudiger and Werner completed the 90 minutes, with the forward moving in to a more central position following Leroy Sane’s withdrawal at half-time.
Having completed his move to Chelsea on Friday night and trained at Cobham yesterday, Kai Havertz was not involved.
Elsewhere in Group G, Kepa remained on the bench as Spain beat Andriy Shevchenko’s Ukraine 4-0.
Earlier on Sunday, Wales scored a 94th-minute winner against Bulgaria, with Ethan Ampadu again completing 90 minutes in defence for Ryan Giggs’s side. They picked up a second consecutive 1-0 success courtesy of another late goal.
Bulgaria didn’t offer much going forward so Ampadu had a quiet afternoon in Cardiff, but will be pleased with another clean sheet and a solid showing at centre-back.