| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Mista vs P Lagowski |
| 0-1 | 58 |
2001 |
ch-POL Boys U18 | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 2. P Lagowski vs M Dziuba |
| 0-1 | 34 |
2001 |
ch-Pol u20 | A56 Benoni Defense |
| 3. K Chojnacki vs P Lagowski |
| 0-1 | 34 |
2001 |
Rubinstein Open | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 4. Andrzej Bajgrowicz vs P Lagowski |
| 0-1 | 30 |
2001 |
open | B56 Sicilian |
| 5. A Ciesla vs P Lagowski |
| 0-1 | 66 |
2001 |
ch-POL Boys U18 | C45 Scotch Game |
| 6. S Witkowski vs P Lagowski |
| 0-1 | 34 |
2001 |
open | A80 Dutch |
| 7. M Mazek vs P Lagowski |
| 0-1 | 44 |
2001 |
Rubinstein Open | A42 Modern Defense, Averbakh System |
| 8. P Lagowski vs M Stryjecki |
| 0-1 | 31 |
2001 |
ch-Pol u20 | E11 Bogo-Indian Defense |
| 9. B Guzinski vs P Lagowski |
| 0-1 | 50 |
2001 |
open | B21 Sicilian, 2.f4 and 2.d4 |
| 10. P Lagowski vs K Jakubowski |
| 0-1 | 34 |
2001 |
ch-POL Boys U18 | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 11. V Bogdanov vs P Lagowski |
| 0-1 | 39 |
2001 |
Bank Pocztowy Open A | A41 Queen's Pawn Game (with ...d6) |
| 12. L D'Costa vs P Lagowski |
| 0-1 | 40 |
2001 |
EYCC B18 | B06 Robatsch |
| 13. P Lagowski vs V Shishkin |
| 0-1 | 31 |
2001 |
open | D85 Grunfeld |
| 14. P Kos vs P Lagowski |
| 0-1 | 66 |
2001 |
ch-POL Boys U18 | B57 Sicilian |
| 15. R Lewandowski vs P Lagowski |
| 0-1 | 63 |
2001 |
Bank Pocztowy Open A | C92 Ruy Lopez, Closed |
| 16. P Lagowski vs M Dziuba |
| 0-1 | 26 |
2001 |
EYCC B18 | E32 Nimzo-Indian, Classical |
| 17. V Borovikov vs P Lagowski |
| 0-1 | 45 |
2001 |
open | A46 Queen's Pawn Game |
| 18. P Lagowski vs Kharlov |
| 0-1 | 44 |
2004 |
20th Cappelle la Grande | D11 Queen's Gambit Declined Slav |
| 19. P Lagowski vs Macieja |
| 0-1 | 45 |
2005 |
5th Amplico AIG Life | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 20. P Lagowski vs I Zaja |
| 0-1 | 67 |
2005 |
6th European Individual Championship | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 21. P Lagowski vs Huzman |
| 0-1 | 24 |
2005 |
6th European Individual Championship | D45 Queen's Gambit Declined Semi-Slav |
| 22. Ilincic vs P Lagowski |
| 0-1 | 33 |
2005 |
First Saturday GM March | D20 Queen's Gambit Accepted |
| 23. P Lagowski vs A Stefanova |
| 0-1 | 42 |
2006 |
Gibtelecom Chess Festival | D15 Queen's Gambit Declined Slav |
| 24. J Flores Chico vs P Lagowski |
| 0-1 | 38 |
2006 |
Gibtelecom Chess Festival | D00 Queen's Pawn Game |
| 25. P Suuronen vs P Lagowski |
 | 0-1 | 20 |
2006 |
Gibtelecom Chess Festival | A07 King's Indian Attack |