Ivo Heuberger defeated Mark Merklein 6-2 6-2 in the Hong Kong qualifying round of 16 on hard.
Heuberger I. took it in straight sets.
Ivo Heuberger beat Mark Merklein 6-2 6-2. Umpiry, "Ivo Heuberger vs Mark Merklein — Hong Kong Qualifying Round of 16", https://umpiry.com/match/2001-09-24/heuberger-vs-merklein-hong-kong-q16?utm_source=cite (as of 24 September 2001).