| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Gevorkian vs K R Arun |
| 1-0 | 28 |
2007 |
World Junior Championship | A07 King's Indian Attack |
| 2. D Arngrimsson vs K R Arun |
| 1-0 | 49 |
2007 |
World Junior Championship | B06 Robatsch |
| 3. K R Arun vs N Vlashki |
| 0-1 | 29 |
2007 |
World Junior Championship | C78 Ruy Lopez |
| 4. E Pileckis vs K R Arun |
| ½-½ | 50 |
2007 |
World Junior Championship | A15 English |
| 5. K R Arun vs M Rodshtein |
| 0-1 | 63 |
2007 |
World Junior Championship | C00 French Defense |
| 6. K R Arun vs M Alaguzov |
| 1-0 | 41 |
2007 |
World Junior Championship | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 7. J Shetty Shristi vs K R Arun |
| 0-1 | 28 |
2008 |
Commonwealth Championship | B06 Robatsch |
| 8. K R Arun vs U R Sahoo |
| ½-½ | 41 |
2008 |
Commonwealth Championship | C92 Ruy Lopez, Closed |
| 9. K R Arun vs Short |
 | 0-1 | 47 |
2008 |
Commonwealth Championship | C11 French |
| 10. Z Rahman vs K R Arun |
| 1-0 | 44 |
2008 |
Commonwealth Championship | A15 English |
| 11. Srivathsav V Raghav vs K R Arun |
| 0-1 | 54 |
2008 |
Commonwealth Championship | A15 English |
| 12. K R Arun vs K Rathnakaran |
| ½-½ | 68 |
2008 |
Commonwealth Championship | C11 French |
| 13. M Sidhant vs K R Arun |
| 0-1 | 31 |
2008 |
Commonwealth Championship | B07 Pirc |
| 14. K R Arun vs H Gusain |
| ½-½ | 39 |
2008 |
Commonwealth Championship | B42 Sicilian, Kan |
| 15. K R Arun vs P Mehta |
| ½-½ | 51 |
2008 |
Commonwealth Championship | C89 Ruy Lopez, Marshall |
| 16. T Anton vs K R Arun |
| ½-½ | 97 |
2010 |
World Junior Championship | E21 Nimzo-Indian, Three Knights |
| 17. K R Arun vs M Lewicki |
| 1-0 | 24 |
2010 |
World Junior Championship | B90 Sicilian, Najdorf |
| 18. K R Arun vs M Lis |
| 1-0 | 36 |
2010 |
World Junior Championship | B32 Sicilian |
| 19. E Can vs K R Arun |
| 1-0 | 39 |
2010 |
World Junior Championship | B09 Pirc, Austrian Attack |
| 20. T Fodor Jr vs K R Arun |
| 1-0 | 41 |
2010 |
World Junior Championship | A14 English |
| 21. K R Arun vs I Zecevic |
| 1-0 | 40 |
2010 |
World Junior Championship | B56 Sicilian |
| 22. G Botta vs K R Arun |
| 0-1 | 28 |
2010 |
World Junior Championship | C92 Ruy Lopez, Closed |
| 23. K R Arun vs B Kaleta |
| ½-½ | 37 |
2010 |
World Junior Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 24. K R Arun vs W Spoelman |
| ½-½ | 32 |
2010 |
World Junior Championship | C95 Ruy Lopez, Closed, Breyer |
| 25. I Golichenko vs K R Arun |
| 1-0 | 41 |
2010 |
World Junior Championship | E40 Nimzo-Indian, 4.e3 |