Mark Nielsen defeated Andrian Raturandang 6-2 7-5 in the INA vs NZL round robin on clay. 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 |
|---|---|---|---|---|---|
| 1999-06-07 | Japan 1 Masters 3 | R32 | hard | Mark Nielsen | 6-2 5-7 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.