Oleg Ogorodov defeated Mark Nielsen 6-1 3-6 6-3 7-6 in the NZL vs UZB round robin on carpet. The upset overturned the form book — Mark Nielsen came in leading the head-to-head 1–0. Oleg Ogorodov claimed a first win over Mark Nielsen in two meetings, levelling the head-to-head at 1–1.
Ogorodov O. came through in four sets.
Ogorodov O. and Nielsen M. faced 1 of the same opponent in the last 12 months. Ogorodov O. went 0–1 (0%) against them, Nielsen M. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Carpet: Ogorodov O. leads 1–0 · Hard: Nielsen M. leads 1–0
Oleg Ogorodov beat Mark Nielsen 6-1 3-6 6-3 7-6. Umpiry, "Oleg Ogorodov vs Mark Nielsen — NZL vs UZB Round Robin", https://umpiry.com/match/2001-04-06/nielsen-vs-ogorodov-nzl-vs-uzb-rr?utm_source=cite (as of 6 April 2001).