6 games · 2015–2026 · 5 classical · 0 online
Rathnakaran 20 draws4 Karthikeyan
33.3% for Rathnakaran
Openings between them
| B08 | Pirc Defense: Classical Variation, Schlechter Variation | 1 | 100.0% |
| B40 | Sicilian Defense: French Variation | 1 | 0.0% |
| C00 | French Defense: Chigorin Variation | 1 | 100.0% |
| C04 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | 1 | 0.0% |
| C05 | French Defense: Tarrasch Variation, Botvinnik Variation | 1 | 0.0% |
| C10 | French Defense: Hecht-Reefschläger Variation | 1 | 0.0% |
All games
| Karthikeyan, M22648 | 0-1 | Rathnakaran, K2164 | ch-IND Blitz 2025-26 | 2026 |
| Karthikeyan, M22622 | 1-0 | Rathnakaran, K2316 | 58th ch-IND 2022 | 2022 |
| Karthikeyan, M22617 | 1-0 | Rathnakaran, K2377 | 3rd Kolkata GM Open 2018 | 2018 |
| Karthikeyan, M22498 | 1-0 | Rathnakaran, K2447 | 53rd ch-IND 2015 | 2015 |
| Rathnakaran, K2417 | 0-1 | Karthikeyan, M22510 | 53rd ch-IND Challengers | 2015 |
| Rathnakaran, K2387 | 1-0 | Karthikeyan, M22497 | 7th Chennai Open 2014-15 | 2015 |