| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. N Pogonina vs G Grapsa |
| 1-0 | 41 | 2000 | EU-ch U16 Girls | B92 Sicilian, Najdorf, Opocensky Variation |
| 2. G Grapsa vs A Papapostolou |
| 1-0 | 49 | 2001 | Patras Open | E70 King's Indian |
| 3. N Managadze vs G Grapsa |
| 1-0 | 21 | 2001 | Patras Open | A15 English |
| 4. G Grapsa vs H Papadopoulos |
 | 1-0 | 27 | 2001 | Patras Open | E00 Queen's Pawn Game |
| 5. A Tzermiadianos vs G Grapsa |
| 1-0 | 45 | 2001 | Patras Open | B50 Sicilian |
| 6. G Grapsa vs K Malamas |
| ½-½ | 91 | 2001 | Patras Open | A52 Budapest Gambit |
| 7. G Panagopoulos vs G Grapsa |
| ½-½ | 32 | 2001 | Patras Open | E33 Nimzo-Indian, Classical |
| 8. G Grapsa vs G Pagalis |
| 1-0 | 34 | 2001 | Patras Open | D11 Queen's Gambit Declined Slav |
| 9. P Balaskas vs G Grapsa |
| 1-0 | 40 | 2001 | Patras Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 10. G Grapsa vs I Aslanidis |
| ½-½ | 10 | 2001 | Patras Open | A69 Benoni, Four Pawns Attack, Main line |
| 11. G Grapsa vs H Mertes |
| ½-½ | 23 | 2001 | EYCC G18 | D02 Queen's Pawn Game |
| 12. G Grapsa vs A Juszczak |
| 0-1 | 48 | 2001 | EYCC G18 | D02 Queen's Pawn Game |
| 13. C Goletto vs G Grapsa |
| ½-½ | 29 | 2001 | EYCC G18 | B22 Sicilian, Alapin |
| 14. E Koepke vs G Grapsa |
| 0-1 | 29 | 2001 | WYG18 | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 15. G Grapsa vs A Srebrnic |
| ½-½ | 45 | 2001 | WYG18 | A41 Queen's Pawn Game (with ...d6) |
| 16. A Caoili vs G Grapsa |
| 1-0 | 21 | 2001 | WYG18 | E15 Queen's Indian |
| 17. G Grapsa vs Z Mamedjarova |
| ½-½ | 58 | 2001 | WYG18 | D85 Grunfeld |
| 18. G Grapsa vs A Stiri |
| ½-½ | 21 | 2001 | WYG18 | A46 Queen's Pawn Game |
| 19. E Karahaliou vs G Grapsa |
| 1-0 | 68 | 2002 | GRE-ch U18 Girls | B90 Sicilian, Najdorf |
| 20. G Grapsa vs J Krivec |
| 0-1 | 35 | 2005 | Athens Acropolis WGM | D02 Queen's Pawn Game |
| 21. S Milliet vs G Grapsa |
| 1-0 | 53 | 2005 | Athens Acropolis WGM | B07 Pirc |
| 22. G Grapsa vs A Burtasova |
| 0-1 | 42 | 2005 | Athens Acropolis WGM | B40 Sicilian |
| 23. G Grapsa vs A Sorokina |
| 0-1 | 42 | 2005 | Athens Acropolis WGM | E00 Queen's Pawn Game |
| 24. G Grapsa vs Turov |
| 0-1 | 46 | 2005 | Ikaros Chess Festival | A45 Queen's Pawn Game |
| 25. G Grapsa vs D Mastrovasilis |
| 0-1 | 19 | 2006 | 3rd International Kalamaria Open | D30 Queen's Gambit Declined |
Kibitzing
