Hanna Nooni defeated Margit Ruutel 7-6 6-1 in the Pruhonice 25K round of 16 on hard. The upset overturned the form book — Margit Ruutel came in leading the head-to-head 2–0. Hanna Nooni claimed a first win over Margit Ruutel in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-11 | Sunderland 2 25K | SF | hard | Margit Ruutel | 5-7 6-1 6-0 |
| 2003-10-27 | Stockholm 10K | SF | hard | Margit Ruutel | 7-6(5) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.