Martijn Belgraver defeated Miguel Pastura 7-5 6-2 in the Australia 1 Masters 1 round of 16 on clay. The upset overturned the form book — Miguel Pastura came in leading the head-to-head 1–0. Martijn Belgraver claimed a first win over Miguel Pastura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-24 | Croatia 1 Masters 1 | R32 | clay | Miguel Pastura | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.