5 games · 2022–2026 · 5 classical · 0 online
Lahdelma 23 draws0 Ronka
70.0% for Lahdelma
Openings between them
| B17 | Caro-Kann Defense: Karpov Variation, Modern Main Line | 1 | 50.0% |
| B19 | Caro-Kann Defense: Classical Variation, Lobron System | 1 | 100.0% |
| C18 | French Defense: Winawer Variation, Warsaw Variation | 1 | 100.0% |
| D45 | Semi-Slav Defense: Stoltz Variation | 1 | 50.0% |
| E26 | Nimzo-Indian Defense: Sämisch Variation | 1 | 50.0% |
All games
| Ronka, E2284 | ½-½ | Lahdelma, Henri2319 | ch-FIN 2026 | 2026 |
| Lahdelma, Henri2297 | ½-½ | Ronka, E2295 | ch-FIN 2025 | 2025 |
| Ronka, E2263 | ½-½ | Lahdelma, Henri2282 | TCh-FIN 2024-25 | 2025 |
| Ronka, E2277 | 0-1 | Lahdelma, Henri2332 | TCh-FIN 2022-23 | 2022 |
| Ronka, E2283 | 0-1 | Lahdelma, Henri2243 | TCh-FIN 2020-22 | 2022 |