Melvyn Op Der Heijde defeated Dmitriy Koch 6-1 7-5 in the Netherlands 4 round of 32 on clay.
Op Der Heijde M. took it in straight sets.
Melvyn Op Der Heijde beat Dmitriy Koch 6-1 7-5. Umpiry, "Melvyn Op Der Heijde vs Dmitriy Koch — Netherlands 4 Round of 32", https://umpiry.com/match/2001-06-11/heijde-vs-koch-netherlands-4-r32?utm_source=cite (as of 11 June 2001).