Lukas Klein defeated Daniel Merida Aguilar 6-3 6-7 6-4 in the Australian Open qualifying round of 64 on hard. The upset overturned the form book — Daniel Merida Aguilar came in ranked #44.
Klein L. came through in three sets.
Klein L. and Merida Aguilar D. faced 1 of the same opponent in the last 12 months. Klein L. went 1–0 (100%) against them, Merida Aguilar D. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Lukas Klein beat Daniel Merida Aguilar 6-3 6-7(2) 6-4. Umpiry, "Lukas Klein vs Daniel Merida Aguilar — Australian Open Qualifying Round of 64", https://umpiry.com/match/2026-01-14/aguilar-vs-klein-australian-open-q64?utm_source=cite (as of 14 January 2026).