Nina Duebbers defeated Sandra Mantler 6-4 6-1 in the Lenzerheide 10K round of 16 on clay.
Duebbers N. took it in straight sets.
Nina Duebbers beat Sandra Mantler 6-4 6-1. Umpiry, "Nina Duebbers vs Sandra Mantler — Lenzerheide 10K Round of 16", https://umpiry.com/match/1999-06-14/duebbers-vs-mantler-lenzerheide-10k-r16?utm_source=cite (as of 14 June 1999).