Congrats! He set it a Cube for Cambodia 2018 on the Angstrom Gan Air SM. He said it was an X-cross, smooth F2L and an easy OLL and PLL skip. He also got another sub-5 in the avg but it was only a 6.29 avg.
http://cubecomps.com/live.php?cid=3131&cat=1&rnd=1