Ivo Karlovic defeated Philipp Petzschner 6-1 7-6 in the Memphis qualifying round of 16 on hard. The result followed the form book — Ivo Karlovic came in leading the head-to-head 3–1. Ivo Karlovic extended the head-to-head to 4–1.
Karlovic I. took it in straight sets.
Hard: Karlovic I. leads 4–0 · Carpet: Petzschner P. leads 1–0
Ivo Karlovic beat Philipp Petzschner 6-1 7-6(6). Umpiry, "Ivo Karlovic vs Philipp Petzschner — Memphis Qualifying Round of 16", https://umpiry.com/match/2013-02-16/karlovic-vs-petzschner-memphis-q16?utm_source=cite (as of 16 February 2013).