| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Chojnacki vs P Lagowski |
| 0-1 | 34 |
2001 |
Rubinstein Open | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 2. V Borovikov vs P Lagowski |
| 0-1 | 45 |
2001 |
open | A46 Queen's Pawn Game |
| 3. A Ciesla vs P Lagowski |
| 0-1 | 66 |
2001 |
ch-POL Boys U18 | C45 Scotch Game |
| 4. R Lewandowski vs P Lagowski |
| 0-1 | 63 |
2001 |
Bank Pocztowy Open A | C92 Ruy Lopez, Closed |
| 5. M Mazek vs P Lagowski |
| 0-1 | 44 |
2001 |
Rubinstein Open | A42 Modern Defense, Averbakh System |
| 6. Andrzej Bajgrowicz vs P Lagowski |
| 0-1 | 30 |
2001 |
open | B56 Sicilian |
| 7. P Lagowski vs B Katkowski |
| 1-0 | 35 |
2001 |
ch-POL Boys U18 | D30 Queen's Gambit Declined |
| 8. P Lagowski vs Zontakh |
| 1-0 | 30 |
2001 |
open | E00 Queen's Pawn Game |
| 9. P Lagowski vs M Rutkowski |
| 1-0 | 41 |
2001 |
Rubinstein Open | E61 King's Indian |
| 10. P Kos vs P Lagowski |
| 0-1 | 66 |
2001 |
ch-POL Boys U18 | B57 Sicilian |
| 11. P Lagowski vs Mar Maka |
| 1-0 | 22 |
2001 |
ch-POL Boys U18 | D30 Queen's Gambit Declined |
| 12. S Witkowski vs P Lagowski |
| 0-1 | 34 |
2001 |
open | A80 Dutch |
| 13. A Mista vs P Lagowski |
| 0-1 | 58 |
2001 |
ch-POL Boys U18 | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 14. P Lagowski vs M Sarwinski |
| 1-0 | 47 |
2001 |
Bank Pocztowy Open A | E00 Queen's Pawn Game |
| 15. L D'Costa vs P Lagowski |
| 0-1 | 40 |
2001 |
EYCC B18 | B06 Robatsch |
| 16. B Guzinski vs P Lagowski |
| 0-1 | 50 |
2001 |
open | B21 Sicilian, 2.f4 and 2.d4 |
| 17. P Lagowski vs M Skrzypnik |
| 1-0 | 36 |
2001 |
ch-POL Boys U18 | A40 Queen's Pawn Game |
| 18. V Bogdanov vs P Lagowski |
| 0-1 | 39 |
2001 |
Bank Pocztowy Open A | A41 Queen's Pawn Game (with ...d6) |
| 19. P Lagowski vs C Ferrant |
| 1-0 | 22 |
2004 |
20th Cappelle la Grande | E63 King's Indian, Fianchetto, Panno Variation |
| 20. P Lagowski vs C Bleis |
| 1-0 | 36 |
2005 |
6th European Individual Championship | A84 Dutch |
| 21. P Lagowski vs R Krasiewicz |
| 1-0 | 60 |
2005 |
6th European Individual Championship | D23 Queen's Gambit Accepted |
| 22. Ilincic vs P Lagowski |
| 0-1 | 33 |
2005 |
First Saturday GM March | D20 Queen's Gambit Accepted |
| 23. P Lagowski vs I Khairullin |
 | 1-0 | 33 |
2005 |
6th European Individual Championship | A85 Dutch, with c4 & Nc3 |
| 24. P Lagowski vs J Houska |
| 1-0 | 43 |
2006 |
Gibtelecom Chess Festival | D12 Queen's Gambit Declined Slav |
| 25. P Suuronen vs P Lagowski |
| 0-1 | 20 |
2006 |
Gibtelecom Chess Festival | A07 King's Indian Attack |
