Billy Harris defeated William Griffith 6-2 7-6 in the M15 Heraklion 4 quarter-final on hard.
Harris B. took it in straight sets.
Billy Harris beat William Griffith 6-2 7-6(5). Umpiry, "Billy Harris vs William Griffith — M15 Heraklion 4 Quarter-final", https://umpiry.com/match/2021-06-11/griffith-vs-harris-m15-heraklion-4-qf?utm_source=cite (as of 11 June 2021).