Stan Wawrinka defeated Agustin Calleri 6-3 6-0 in the Doha quarter-final on hard. The result followed the form book — Stan Wawrinka came in leading the head-to-head 2–0, defending last year's round of 32. Stan Wawrinka extended the head-to-head to 3–0.
Wawrinka S. took it in straight sets.
Wawrinka S. and Calleri A. faced 3 of the same opponents in the last 12 months. Wawrinka S. went 2–1 (67%) against them, Calleri A. 1–3 (25%). Results against comparable opponents are close (2 : 1 better-results split).
Only 3 common opponents — small sample, treat as indicative.
Hard: Wawrinka S. leads 2–0 · Grass: Wawrinka S. leads 1–0
Stan Wawrinka beat Agustin Calleri 6-3 6-0. Umpiry, "Stan Wawrinka vs Agustin Calleri — Doha Quarter-final", https://umpiry.com/match/2008-01-03/calleri-vs-wawrinka-doha-qf?utm_source=cite (as of 3 January 2008).