Di Wu defeated Matthew Barton 6-2 6-3 in the Roland Garros qualifying round of 128 on clay. The result followed the form book — Di Wu came in leading the head-to-head 1–0. Di Wu extended the head-to-head to 2–0.
Wu D. took it in straight sets.
Clay: Wu D. leads 1–0 · Hard: Wu D. leads 1–0
Di Wu beat Matthew Barton 6-2 6-3. Umpiry, "Di Wu vs Matthew Barton — Roland Garros Qualifying Round of 128", https://umpiry.com/match/2013-05-21/barton-vs-wu-roland-garros-q128?utm_source=cite (as of 21 May 2013).