| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. R Abbasi vs K Rathnakaran |
| 0-1 | 57 | 2001 | Asian U20 | C05 French, Tarrasch |
| 2. B Al Qudaimi vs K Rathnakaran |
| 0-1 | 43 | 2001 | Asian U20 | C05 French, Tarrasch |
| 3. L Vajda vs K Rathnakaran |
| 1-0 | 50 | 2001 | World Junior Championship | C05 French, Tarrasch |
| 4. Deepan Chakkravarthy J vs K Rathnakaran |
 | 1-0 | 28 | 2004 | Piloo Mody Open | C05 French, Tarrasch |
| 5. Prasanna Raghuram Rao vs K Rathnakaran |
| ½-½ | 73 | 2008 | Commonwealth Championship | C05 French, Tarrasch |
| 6. G Lane vs K Rathnakaran |
| 0-1 | 35 | 2009 | Doeberl Cup Premier | C05 French, Tarrasch |
| 7. K Priyadharshan vs K Rathnakaran |
| ½-½ | 67 | 2009 | Indian Premier National A Championship | C05 French, Tarrasch |
| 8. M Kravtsiv vs K Rathnakaran |
| 1-0 | 37 | 2010 | Commonwealth Championship | C05 French, Tarrasch |
| 9. S Bargan vs K Rathnakaran |
 | 0-1 | 52 | 2012 | Albena Open | C05 French, Tarrasch |
| 10. Tiviakov vs K Rathnakaran |
| 1-0 | 33 | 2012 | ch-Commonwealth | C05 French, Tarrasch |
| 11. J Schroeder vs K Rathnakaran |
| 1-0 | 60 | 2017 | 1st Sharjah Masters | C05 French, Tarrasch |
| 12. M Antipov vs K Rathnakaran |
| 0-1 | 40 | 2017 | Dubai Open | C05 French, Tarrasch |
| 13. K Mekhitarian vs K Rathnakaran |
| 0-1 | 35 | 2017 | Isle of Man Masters | C05 French, Tarrasch |
| 14. Pichot vs K Rathnakaran |
| 1-0 | 49 | 2017 | Isle of Man Masters | C05 French, Tarrasch |
| 15. Rajesh Nayak vs K Rathnakaran |
| 0-1 | 37 | 2018 | Kolkata Open | C05 French, Tarrasch |
| 16. M Karthikeyan vs K Rathnakaran |
| 1-0 | 36 | 2018 | Kolkata Open | C05 French, Tarrasch |
| 17. Deepan Chakkravarthy J vs K Rathnakaran |
| 1-0 | 63 | 2019 | Sharjah Masters | C05 French, Tarrasch |
| 18. Aram Chekh Adm Khedr vs K Rathnakaran |
| 1-0 | 30 | 2019 | Dubai Open | C05 French, Tarrasch |
| 19. M Mchedlishvili vs K Rathnakaran |
| ½-½ | 78 | 2020 | 18th Delhi Open | C05 French, Tarrasch |
| 20. Shuaau Muhammed vs K Rathnakaran |
| 0-1 | 29 | 2022 | 19th Asian Continental | C05 French, Tarrasch |
Kibitzing
