Timothy Aerts defeated Djalmar Sistermans 6-1 6-4 in the Netherlands Masters 4 round of 32 on clay.
Aerts T. took it in straight sets.
Timothy Aerts beat Djalmar Sistermans 6-1 6-4. Umpiry, "Timothy Aerts vs Djalmar Sistermans — Netherlands Masters 4 Round of 32", https://umpiry.com/match/1997-06-16/aerts-vs-sistermans-netherlands-masters-4-r32?utm_source=cite (as of 16 June 1997).