| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Sundararajan vs Z Rahman |
| 0-1 | 40 |
2000 |
Asia-ch | A40 Queen's Pawn Game |
| 27. S Satyapragyan vs Sundararajan |
| 1-0 | 65 |
2000 |
Goodricke Open | B12 Caro-Kann Defense |
| 28. Sundararajan vs R Markus |
| ½-½ | 47 |
2001 |
VI Cup GM | A81 Dutch |
| 29. M Al Sayed vs Sundararajan |
| ½-½ | 43 |
2001 |
Asian U20 | B17 Caro-Kann, Steinitz Variation |
| 30. Z Varga vs Sundararajan |
| 1-0 | 32 |
2001 |
FSGM August | B10 Caro-Kann |
| 31. V Rajlich vs Sundararajan |
| ½-½ | 63 |
2001 |
VI Cup GM | C80 Ruy Lopez, Open |
| 32. Sundararajan vs T Sammalvuo |
| 1-0 | 46 |
2001 |
VI Cup GM | D47 Queen's Gambit Declined Semi-Slav |
| 33. Sundararajan vs M R Venkatesh |
| 0-1 | 51 |
2001 |
Asian U20 | E32 Nimzo-Indian, Classical |
| 34. Sundararajan vs L Arnold |
| ½-½ | 26 |
2001 |
FSGM August | D27 Queen's Gambit Accepted, Classical |
| 35. A Szeberenyi vs Sundararajan |
| ½-½ | 18 |
2001 |
FSGM August | D12 Queen's Gambit Declined Slav |
| 36. S Kustar vs Sundararajan |
| ½-½ | 22 |
2001 |
VI Cup GM | D02 Queen's Pawn Game |
| 37. Sundararajan vs B Al Qudaimi |
| 1-0 | 24 |
2001 |
Asian U20 | A47 Queen's Indian |
| 38. Sundararajan vs Y Dembo |
| ½-½ | 21 |
2001 |
FSGM August | A48 King's Indian |
| 39. Sundararajan vs J Sprenger |
| ½-½ | 29 |
2001 |
VI Cup GM | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 40. L Arnold vs Sundararajan |
| 1-0 | 46 |
2001 |
VI Cup GM | B81 Sicilian, Scheveningen, Keres Attack |
| 41. A Nasri vs Sundararajan |
| 0-1 | 21 |
2001 |
Asian U20 | D45 Queen's Gambit Declined Semi-Slav |
| 42. Sundararajan vs A Hassan |
| 1-0 | 38 |
2001 |
Asian U20 | D47 Queen's Gambit Declined Semi-Slav |
| 43. Sundararajan vs N Castaneda |
| 1-0 | 41 |
2001 |
FSGM August | E92 King's Indian |
| 44. Sundararajan vs G Pataki |
| 1-0 | 43 |
2001 |
VI Cup GM | D52 Queen's Gambit Declined |
| 45. G Mooses vs Sundararajan |
| ½-½ | 54 |
2001 |
Asian U20 | B13 Caro-Kann, Exchange |
| 46. V Rajlich vs Sundararajan |
| 0-1 | 48 |
2001 |
FSGM August | B81 Sicilian, Scheveningen, Keres Attack |
| 47. Sundararajan vs P Lukacs |
| ½-½ | 11 |
2001 |
FSGM August | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 48. Sundararajan vs Groszpeter |
| 0-1 | 78 |
2001 |
VI Cup GM | D97 Grunfeld, Russian |
| 49. Sundararajan vs O Noroozi |
| 1-0 | 25 |
2001 |
Asian U20 | D63 Queen's Gambit Declined, Orthodox Defense |
| 50. Sundararajan vs M Khaghani |
| ½-½ | 35 |
2001 |
Asian U20 | D12 Queen's Gambit Declined Slav |