Stian Boretti defeated Orest Tereshchuk 1-6 6-3 6-4 6-2 in the NOR vs UKR round robin on hard. The upset overturned the form book — Orest Tereshchuk came in leading the head-to-head 2–0. Stian Boretti claimed a first win over Orest Tereshchuk in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-04 | Davis Cup G2 R1: UKR vs NOR | RR | carpet | Orest Tereshchuk | 7-5 6-7 6-4 6-7 6-2 |
| 2001-10-29 | Portugal 4 2 | R16 | clay | Orest Tereshchuk | 6-2 6-1 |