| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Zagrebelny vs Sundararajan |
| 1-0 | 34 |
1999 |
10th Goodricke Int. | B85 Sicilian, Scheveningen, Classical |
| 2. K Gopalakrishna vs Sundararajan |
| 0-1 | 45 |
2000 |
Goodricke Open | B80 Sicilian, Scheveningen |
| 3. S Mousavian vs Sundararajan |
| ½-½ | 38 |
2001 |
Asian U20 | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 4. L Arnold vs Sundararajan |
| 1-0 | 46 |
2001 |
VI Cup GM | B81 Sicilian, Scheveningen, Keres Attack |
| 5. V Bhat vs Sundararajan |
| ½-½ | 41 |
2001 |
FSGM August | B80 Sicilian, Scheveningen |
| 6. C Balogh vs Sundararajan |
| ½-½ | 16 |
2001 |
FSGM August | B80 Sicilian, Scheveningen |
| 7. V Rajlich vs Sundararajan |
| 0-1 | 48 |
2001 |
FSGM August | B81 Sicilian, Scheveningen, Keres Attack |
| 8. M Darban vs Sundararajan |
| 0-1 | 63 |
2002 |
41st World Junior Championships | B84 Sicilian, Scheveningen |
| 9. H Swapnil vs Sundararajan |
| 0-1 | 25 |
2002 |
41st World Junior Championships | B80 Sicilian, Scheveningen |
| 10. T Henrichs vs Sundararajan |
 | 1-0 | 21 |
2005 |
Open A | B80 Sicilian, Scheveningen |
| 11. K Cashin vs Sundararajan |
| 0-1 | 26 |
2005 |
Canadian Open | B84 Sicilian, Scheveningen |
| 12. B S Sivanandan vs Sundararajan |
| ½-½ | 45 |
2006 |
43rd Indian Championship | B22 Sicilian, Alapin |
| 13. N Speck vs Sundararajan |
| ½-½ | 47 |
2006 |
Gibtelecom Chess Festival | B80 Sicilian, Scheveningen |
| 14. J Cabrera Trujillo vs Sundararajan |
| 1-0 | 48 |
2006 |
XXIV Andorra Open | B81 Sicilian, Scheveningen, Keres Attack |
| 15. F Rechi vs Sundararajan |
| 0-1 | 29 |
2006 |
XXIV Andorra Open | B84 Sicilian, Scheveningen |
| 16. Sohan Phadke vs Sundararajan |
| ½-½ | 21 |
2008 |
Commonwealth Championship | B81 Sicilian, Scheveningen, Keres Attack |
| 17. Mahapatra Sidhant vs Sundararajan |
| 0-1 | 53 |
2008 |
Commonwealth Championship | B80 Sicilian, Scheveningen |