Mark Nielsen defeated Oleg Ogorodov 6-2 1-6 7-5 in the Davis Cup G1 SF: UZB vs NZL round robin on hard. The upset overturned the form book — Oleg Ogorodov came in leading the head-to-head 1–0, but Mark Nielsen had been the form player, winning 5 of their last 7 on hard. Mark Nielsen claimed a first win over Oleg Ogorodov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-06 | Davis Cup G1 SF: NZL vs UZB | RR | carpet | Oleg Ogorodov | 6-1 3-6 6-3 7-6(1) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (8 vs 12). ATP, WTA & Challenger.