Mark Nielsen defeated Bjorn Jacob 6-2 2-6 7-6 in the China F2 round of 16 on hard.
Nielsen M. came through in three sets.
Mark Nielsen beat Bjorn Jacob 6-2 2-6 7-6(4). Umpiry, "Mark Nielsen vs Bjorn Jacob — China F2 Round of 16", https://umpiry.com/match/2000-05-01/jacob-vs-nielsen-china-f2-r16?utm_source=cite (as of 1 May 2000).