Mark Nielsen defeated Seung Hoon Lee 4-6 6-1 6-2 in the Japan F2 semi-final on carpet. The result followed the form book — Mark Nielsen came in leading the head-to-head 1–0. Mark Nielsen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-02-09 | Davis Cup G1 QF: KOR vs NZL | RR | carpet | Mark Nielsen | 7-6 6-3 4-6 3-6 9-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.