Philipp Kohlschreiber defeated Alexander Zverev 6-7 6-2 6-0 2-6 6-4 in the US Open round of 128 on hard. The result followed the form book — Philipp Kohlschreiber came in leading the head-to-head 1–0, defending last year's round of 16. Philipp Kohlschreiber extended the head-to-head to 2–0.
Kohlschreiber P. came through in five sets.
Hard: Kohlschreiber P. leads 1–0 · Clay: Kohlschreiber P. leads 1–0
Philipp Kohlschreiber beat Alexander Zverev 6-7 6-2 6-0 2-6 6-4. Umpiry, "Philipp Kohlschreiber vs Alexander Zverev — US Open Round of 128", https://umpiry.com/match/2015-08-31/kohlschreiber-vs-zverev-us-open-r128?utm_source=cite (as of 31 August 2015).