| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 51. micro-Max vs Zappa |
 | 0-1 | 40 |
2007 |
15th World Computer Chess Championship | C47 Four Knights |
| 52. Rybka vs Zappa |
 | 1-0 | 110 |
2007 |
Clash of the Computer Titans | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 53. Zappa vs HIARCS |
 | 0-1 | 50 |
2007 |
CCT9 | B97 Sicilian, Najdorf |
| 54. Zappa vs GridChess |
 | 1-0 | 160 |
2007 |
15th World Computer Chess Championship | C00 French Defense |
| 55. Rybka vs Zappa |
 | ½-½ | 52 |
2007 |
Clash of the Computer Titans | C92 Ruy Lopez, Closed |
| 56. Zappa vs The King |
| 1-0 | 46 |
2007 |
15th World Computer Chess Championship | B24 Sicilian, Closed |
| 57. Zappa vs Rybka |
 | ½-½ | 73 |
2007 |
Clash of the Computer Titans | C92 Ruy Lopez, Closed |
| 58. Rybka vs Zappa |
| ½-½ | 59 |
2007 |
Clash of the Computer Titans | A30 English, Symmetrical |
| 59. Crafty vs Zappa |
| 0-1 | 49 |
2007 |
CCT9 | B40 Sicilian |
| 60. Zappa vs Deep Sjeng |
| ½-½ | 87 |
2007 |
15th World Computer Chess Championship | D45 Queen's Gambit Declined Semi-Slav |
| 61. Rybka vs Zappa |
 | 0-1 | 180 |
2007 |
Clash of the Computer Titans | C92 Ruy Lopez, Closed |
| 62. Zappa vs Fruit |
| 1-0 | 60 |
2007 |
QUAD24, 14'/40+14'/40+14'/40 | A13 English |
| 63. Shredder vs Zappa |
 | ½-½ | 164 |
2007 |
15th World Computer Chess Championship | C07 French, Tarrasch |
| 64. Rybka vs Zappa |
| 1-0 | 68 |
2008 |
CCT 10 | A26 English |
| 65. Zappa vs Rybka |
 | 0-1 | 71 |
2008 |
CEGT Quad 40/120 repeated | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |