Daniel Altmaier faces Juan Manuel Cerundolo in the Basel round of 64 on hard. Juan Manuel Cerundolo holds the paper edge — ranked #53, leading the head-to-head 4–2.
Altmaier D. and Cerundolo J. faced 7 of the same opponents in the last 12 months. Altmaier D. went 2–6 (25%) against them, Cerundolo J. 5–5 (50%). Cerundolo J. came out better against 3 of 6 comparable opponents, Altmaier D. against 1 — though 2 of those edges carry caveats (retirement, lower-tier event).
Hard: Cerundolo J. leads 1–0 · Clay: Cerundolo J. leads 3–2
Umpiry, "Daniel Altmaier vs Juan Manuel Cerundolo — Basel Round of 64", https://umpiry.com/match/2026-10-26/altmaier-vs-cerundolo-basel-r64?utm_source=cite (as of 26 October 2026).