Konstantinos Economidis defeated Jun Kato 6-4 6-1 in the Greece Masters 1 round of 16 on hard. The upset overturned the form book — Jun Kato came in leading the head-to-head 1–0. Konstantinos Economidis claimed a first win over Jun Kato in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-02-28 | Greece Masters 4 | R32 | hard | Jun Kato | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.