| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Thipsay vs Sundararajan |
| ½-½ | 43 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 2. Conquest vs Sundararajan |
| ½-½ | 51 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 3. J Gallagher vs Sundararajan |
| 1-0 | 25 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 4. M Al Sayed vs Sundararajan |
| ½-½ | 43 |
2001 |
Asian U20 | B17 Caro-Kann, Steinitz Variation |
| 5. Sadvakasov vs Sundararajan |
| ½-½ | 53 |
2005 |
Asian Chess Championship | B17 Caro-Kann, Steinitz Variation |
| 6. G B Joshi vs Sundararajan |
| ½-½ | 22 |
2008 |
Commonwealth Championship | B17 Caro-Kann, Steinitz Variation |
| 7. Ni Hua vs Sundararajan |
| 1-0 | 120 |
2009 |
4th Kolkata Open Grandmaster Chess Tournament | B17 Caro-Kann, Steinitz Variation |
