Waltert broke for 1-0 in a 12 minute deuce game saving five break points, then broke again for 3-0, but Teichmann rallied with breaks for 1-3 and 3-3 to force a tiebreak that Teichmann won for 7-5.
Teichmann broke for 4-2 and again for 6-2, clinching the set with clinical efficiency as Waltert saved only one break point across the match.