N. Senn defeated L. Aregger 6-3 2-6 10-8 in the M15 Wels 1 qualifying round of 64 on clay. The upset overturned the form book — L. Aregger came in leading the head-to-head 1–0. N. Senn claimed a first win over L. Aregger in two meetings, levelling the head-to-head at 1–1.
Senn N. came through in three sets.
N. Senn beat L. Aregger 6-3 2-6 10-8. Umpiry, "N. Senn vs L. Aregger — M15 Wels 1 Qualifying Round of 64", https://umpiry.com/match/2025-07-27/aregger-vs-senn-m15-wels-1-q64?utm_source=cite (as of 27 July 2025).