| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Prathamesh vs S Azarov |
| 1-0 | 50 |
2002 |
41st World Junior Championships | C95 Ruy Lopez, Closed, Breyer |
| 2. S Prathamesh vs C Sandipan |
| ½-½ | 24 |
2002 |
41st World Junior Championships | C67 Ruy Lopez |
| 3. S Prathamesh vs Sundararajan |
| 0-1 | 38 |
2003 |
Indian Championships | C80 Ruy Lopez, Open |
| 4. S Prathamesh vs S Iuldachev |
| 0-1 | 35 |
2004 |
Piloo Mody Open | C96 Ruy Lopez, Closed |
| 5. S Prathamesh vs R Prasanna |
| 0-1 | 52 |
2008 |
Commonwealth Championship | C84 Ruy Lopez, Closed |
| 6. S Prathamesh vs R R Laxman |
| 0-1 | 45 |
2009 |
Indian Premier National A Championship | C84 Ruy Lopez, Closed |
| 7. S Prathamesh vs Short |
 | 0-1 | 45 |
2009 |
4th Kolkata Open Grandmaster Chess Tournament | C96 Ruy Lopez, Closed |
| 8. S Prathamesh vs J Sriram |
| ½-½ | 30 |
2009 |
Indian Premier National A Championship | C95 Ruy Lopez, Closed, Breyer |
| 9. S Prathamesh vs D P Singh |
| 1-0 | 44 |
2009 |
Indian Premier National A Championship | C87 Ruy Lopez |
| 10. S Prathamesh vs D P Singh |
| ½-½ | 29 |
2010 |
48th ch-IND | C78 Ruy Lopez |
| 11. S Prathamesh vs N Babu |
| 1-0 | 28 |
2010 |
48th ch-IND | C92 Ruy Lopez, Closed |
| 12. S Prathamesh vs V Matta |
| 0-1 | 57 |
2010 |
48th ch-IND | C84 Ruy Lopez, Closed |
| 13. S Prathamesh vs A Kunte |
| ½-½ | 21 |
2011 |
Commonwealth and South African Open | C95 Ruy Lopez, Closed, Breyer |
