Marina Escobar Martinez defeated Nuria Martinez 4-6 7-6 6-3 in the Torrelavega 10K round of 16 on clay. The upset overturned the form book — Nuria Martinez came in leading the head-to-head 1–0. Marina Escobar Martinez claimed a first win over Nuria Martinez in two meetings, levelling the head-to-head at 1–1.
Escobar Martinez M. came through in three sets.
Marina Escobar Martinez beat Nuria Martinez 4-6 7-6 6-3. Umpiry, "Marina Escobar Martinez vs Nuria Martinez — Torrelavega 10K Round of 16", https://umpiry.com/match/1998-06-23/martinez-vs-martinez-torrelavega-10k-r16?utm_source=cite (as of 23 June 1998).