Pierre Berntsson defeated Mait Kunnap 6-4 6-1 in the Estonia F1A round of 16 on clay. The upset overturned the form book — Mait Kunnap came in leading the head-to-head 1–0. Pierre Berntsson claimed a first win over Mait Kunnap in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-16 | Finland F2 | QF | clay | Mait Kunnap | 5-1 |