Fred Hemmes defeated Melvyn Op Der Heijde 6-3 6-3 in the Netherlands F2 semi-final on clay. The upset overturned the form book — Melvyn Op Der Heijde came in leading the head-to-head 1–0. Fred Hemmes claimed a first win over Melvyn Op Der Heijde in two meetings, levelling the head-to-head at 1–1.
Hemmes F. took it in straight sets.
Fred Hemmes beat Melvyn Op Der Heijde 6-3 6-3. Umpiry, "Fred Hemmes vs Melvyn Op Der Heijde — Netherlands F2 Semi-final", https://umpiry.com/match/2004-06-28/heijde-vs-hemmes-netherlands-f2-sf?utm_source=cite (as of 28 June 2004).