Nir Welgreen defeated Dmitriy Koch 3-6 7-5 6-2 in the Israel 1 4 round of 16 on hard. The upset overturned the form book — Dmitriy Koch came in leading the head-to-head 1–0. Nir Welgreen claimed a first win over Dmitriy Koch in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-10-07 | Israel 1 3 | R16 | hard | Dmitriy Koch | 6-2 6-0 |