Tyler Lu defeated Niklas Johansson 6-3 7-6 in the Uganda F4 round of 16 on clay.
Lu T. took it in straight sets.
Tyler Lu beat Niklas Johansson 6-3 7-6(4). Umpiry, "Tyler Lu vs Niklas Johansson — Uganda F4 Round of 16", https://umpiry.com/match/2018-05-21/johansson-vs-lu-uganda-f4-r16?utm_source=cite (as of 21 May 2018).