Isak Arvidsson defeated Herkko Pollanen 6-4 6-1 in the Stockholm qualifying round of 32 on hard. The upset overturned the form book — Herkko Pollanen came in leading the head-to-head 1–0. Isak Arvidsson claimed a first win over Herkko Pollanen in two meetings, levelling the head-to-head at 1–1.
Arvidsson I. took it in straight sets.
Hard: Arvidsson I. leads 1–0 · Clay: Pollanen H. leads 1–0
Isak Arvidsson beat Herkko Pollanen 6-4 6-1. Umpiry, "Isak Arvidsson vs Herkko Pollanen — Stockholm Qualifying Round of 32", https://umpiry.com/match/2013-10-12/arvidsson-vs-pollanen-stockholm-q32?utm_source=cite (as of 12 October 2013).