Steven Korteling defeated Melvyn Op Der Heijde 5-7 6-3 7-6 in the Netherlands F1 round of 32 on clay. The upset overturned the form book — Melvyn Op Der Heijde came in leading the head-to-head 1–0. Steven Korteling claimed a first win over Melvyn Op Der Heijde in two meetings, levelling the head-to-head at 1–1.
Korteling S. came through in three sets.
Steven Korteling beat Melvyn Op Der Heijde 5-7 6-3 7-6(5). Umpiry, "Steven Korteling vs Melvyn Op Der Heijde — Netherlands F1 Round of 32", https://umpiry.com/match/2004-06-21/heijde-vs-korteling-netherlands-f1-r32?utm_source=cite (as of 21 June 2004).