Robert Strombachs defeated Raphael Collignon 6-3 6-3 in the M15 Alkmaar 1 qualifying round of 16 on clay. The upset overturned the form book — Raphael Collignon came in ranked #50.
Strombachs R. took it in straight sets.
Robert Strombachs beat Raphael Collignon 6-3 6-3. Umpiry, "Robert Strombachs vs Raphael Collignon — M15 Alkmaar 1 Qualifying Round of 16", https://umpiry.com/match/2020-08-24/collignon-vs-strombachs-m15-alkmaar-1-q16?utm_source=cite (as of 24 August 2020).