Tommi Lenho defeated Tapio Nurminen 6-1 6-7 6-4 in the Finland Masters 4 semi-final on clay. The result followed the form book — Tommi Lenho came in leading the head-to-head 4–0. Tommi Lenho extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-15 | Finland F2 | F | clay | Tommi Lenho | 6-1 6-3 |
| 1998-03-04 | Germany F2 | R32 | hard | Tommi Lenho | 6-3 6-2 |
| 1998-01-03 | Spain 1 Masters 2 | R16 | clay | Tommi Lenho | 6-3 6-7 6-4 |
| 1997-05-31 | Finland Masters 1 | R16 | clay | Tommi Lenho | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.