Ivan Lendl defeated Marcos Ondruska 2-6 6-1 6-4 in the Hamburg round of 16 on clay. The result followed the form book — Ivan Lendl came in leading the head-to-head 1–0, defending last year's round of 32. Ivan Lendl extended the head-to-head to 2–0.
Lendl I. came through in three sets.
Clay: Lendl I. leads 1–0 · Hard: Lendl I. leads 1–0
Ivan Lendl beat Marcos Ondruska 2-6 6-1 6-4. Umpiry, "Ivan Lendl vs Marcos Ondruska — Hamburg Round of 16", https://umpiry.com/match/1993-05-03/lendl-vs-ondruska-hamburg-r16?utm_source=cite (as of 3 May 1993).