Guy Den Heijer defeated Sander Jong 7-5 5-7 6-4 in the M15 Oldenzaal 1 round of 16 on clay.
Den Heijer G. came through in three sets.
Guy Den Heijer beat Sander Jong 7-5 5-7 6-4. Umpiry, "Guy Den Heijer vs Sander Jong — M15 Oldenzaal 1 Round of 16", https://umpiry.com/match/2021-08-20/heijer-vs-jong-m15-oldenzaal-1-r16?utm_source=cite (as of 20 August 2021).