Melvyn Op Der Heijde defeated Thorsten Wolff 6-1 6-2 in the Netherlands Masters 4 round of 16 on clay.
Op Der Heijde M. took it in straight sets.
Melvyn Op Der Heijde beat Thorsten Wolff 6-1 6-2. Umpiry, "Melvyn Op Der Heijde vs Thorsten Wolff — Netherlands Masters 4 Round of 16", https://umpiry.com/match/1999-06-14/heijde-vs-wolff-netherlands-masters-4-r16?utm_source=cite (as of 14 June 1999).