Denisa Sobotkova defeated Martine Vosseberg 6-3 6-2 in the Lenzerheide 10K round of 32 on clay. The upset overturned the form book — Martine Vosseberg came in leading the head-to-head 1–0, but Denisa Sobotkova had been the form player, winning 3 of their last 7 on clay. Denisa Sobotkova claimed a first win over Martine Vosseberg in two meetings, levelling the head-to-head at 1–1.
Sobotkova D. took it in straight sets.
Denisa Sobotkova beat Martine Vosseberg 6-3 6-2. Umpiry, "Denisa Sobotkova vs Martine Vosseberg — Lenzerheide 10K Round of 32", https://umpiry.com/match/1998-06-08/sobotkova-vs-vosseberg-lenzerheide-10k-r32?utm_source=cite (as of 8 June 1998).