Stefan Kozlov defeated Tennys Sandgren 6-2 6-4 in the USA F13 semi-final on hard. The result followed the form book — Stefan Kozlov came in leading the head-to-head 1–0. Stefan Kozlov extended the head-to-head to 2–0.
Kozlov S. took it in straight sets.
Stefan Kozlov beat Tennys Sandgren 6-2 6-4. Umpiry, "Stefan Kozlov vs Tennys Sandgren — USA F13 Semi-final", https://umpiry.com/match/2016-04-11/kozlov-vs-sandgren-usa-f13-sf?utm_source=cite (as of 11 April 2016).