| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Gallagher vs Sundararajan |
| 1-0 | 25 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 2. Sundararajan vs Radjabov |
| ½-½ | 31 |
1999 |
Biel MTO op | A90 Dutch |
| 3. Sundararajan vs S Williams |
| 1-0 | 27 |
1999 |
Ch Great Britain, Scarborough (England) | A96 Dutch, Classical Variation |
| 4. Sundararajan vs A Summerscale |
| ½-½ | 29 |
1999 |
Ch Great Britain, Scarborough (England) | D34 Queen's Gambit Declined, Tarrasch |
| 5. Sundararajan vs Aronian |
| 0-1 | 50 |
1999 |
Wch U20 | E38 Nimzo-Indian, Classical, 4...c5 |
| 6. Conquest vs Sundararajan |
| ½-½ | 51 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 7. P Thipsay vs Sundararajan |
| ½-½ | 43 |
1999 |
Ch Great Britain, Scarborough (England) | B17 Caro-Kann, Steinitz Variation |
| 8. A Kunte vs Sundararajan |
| ½-½ | 38 |
1999 |
Ch Great Britain, Scarborough (England) | A10 English |
| 9. Sundararajan vs E Player |
| 1-0 | 33 |
1999 |
Ch Great Britain, Scarborough (England) | D26 Queen's Gambit Accepted |
| 10. Sundararajan vs A Abdulla |
| ½-½ | 39 |
1999 |
Ch Great Britain, Scarborough (England) | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 11. S Zagrebelny vs Sundararajan |
| 1-0 | 34 |
1999 |
10th Goodricke Int. | B85 Sicilian, Scheveningen, Classical |
| 12. Sundararajan vs J Rudd |
| 1-0 | 29 |
1999 |
Ch Great Britain, Scarborough (England) | A67 Benoni, Taimanov Variation |
| 13. Baburin vs Sundararajan |
| ½-½ | 46 |
1999 |
Ch Great Britain, Scarborough (England) | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 14. M Marin vs Sundararajan |
| 1-0 | 39 |
1999 |
10th Goodricke Int. | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 15. Sundararajan vs K Visweswaran |
| ½-½ | 47 |
2000 |
Goodricke Open | E94 King's Indian, Orthodox |
| 16. Sundararajan vs E Vladimirov |
| ½-½ | 30 |
2000 |
Goodricke 11th op | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 17. Sundararajan vs G Chandanani |
| ½-½ | 42 |
2000 |
Goodricke Open | D47 Queen's Gambit Declined Semi-Slav |
| 18. K Gopalakrishna vs Sundararajan |
| 0-1 | 45 |
2000 |
Goodricke Open | B80 Sicilian, Scheveningen |
| 19. Sundararajan vs E Vladimirov |
| 0-1 | 59 |
2000 |
Commonwealth-ch | D10 Queen's Gambit Declined Slav |
| 20. S Dhar vs Sundararajan |
| ½-½ | 62 |
2000 |
Goodricke Open | C84 Ruy Lopez, Closed |
| 21. Sundararajan vs C S Gokhale |
| ½-½ | 44 |
2000 |
Goodricke Open | D46 Queen's Gambit Declined Semi-Slav |
| 22. Sundararajan vs Z Rahman |
| 0-1 | 40 |
2000 |
Asia-ch | A40 Queen's Pawn Game |
| 23. Sundararajan vs A Deshmukh |
| 0-1 | 51 |
2000 |
Goodricke Open | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 24. B Lalic vs Sundararajan |
| 1-0 | 32 |
2000 |
Goodricke Open | E90 King's Indian |
| 25. Sundararajan vs G Singh |
| ½-½ | 48 |
2000 |
Goodricke Open | A42 Modern Defense, Averbakh System |