Agustin Calleri defeated Juan Carlos Ferrero 6-4 7-5 6-1 in the ESP vs ARG round robin on clay. The upset overturned the form book — Juan Carlos Ferrero came in leading the head-to-head 1–0. Agustin Calleri claimed a first win over Juan Carlos Ferrero in two meetings, levelling the head-to-head at 1–1.
Calleri A. took it in straight sets.
Calleri A. and Ferrero J. faced 7 of the same opponents in the last 12 months. Calleri A. went 1–7 (13%) against them, Ferrero J. 8–2 (80%). Ferrero J. came out clearly better against 5 of 6 comparable opponents, Calleri A. against 0.
Clay: Calleri A. leads 1–0 · Hard: Ferrero J. leads 1–0
Agustin Calleri beat Juan Carlos Ferrero 6-4 7-5 6-1. Umpiry, "Agustin Calleri vs Juan Carlos Ferrero — ESP vs ARG Round Robin", https://umpiry.com/match/2003-09-19/calleri-vs-ferrero-esp-vs-arg-rr?utm_source=cite (as of 19 September 2003).