| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Ostrowski vs J Kiedrowicz |
| ½-½ | 41 | 1986 | Dreszer mem | A46 Queen's Pawn Game |
| 2. A Cichocki vs L Ostrowski |
| 0-1 | 23 | 1986 | Dreszer mem | A64 Benoni, Fianchetto, 11...Re8 |
| 3. L Ostrowski vs K Zolnierowicz |
| 1-0 | 40 | 1987 | Myslenice-B | A46 Queen's Pawn Game |
| 4. K Sznapik vs L Ostrowski |
| ½-½ | 42 | 1987 | Myslenice-B | A02 Bird's Opening |
| 5. A Betkowski vs L Ostrowski |
| 1-0 | 44 | 1987 | Myslenice-B | B83 Sicilian |
| 6. L Ostrowski vs M Spirydonski |
| ½-½ | 14 | 1987 | Myslenice-B | D69 Queen's Gambit Declined, Orthodox Defense, Classical, 13.de |
| 7. L Ostrowski vs B Lewicki |
| 1-0 | 34 | 1987 | Myslenice-B | E94 King's Indian, Orthodox |
| 8. A Cybulak vs L Ostrowski |
| ½-½ | 43 | 1987 | Myslenice-B | A04 Reti Opening |
| 9. L Ostrowski vs S Witkowski |
| ½-½ | 27 | 1987 | Myslenice-B | A48 King's Indian |
| 10. J Csomos vs L Ostrowski |
| 0-1 | 28 | 1987 | Myslenice-B | E32 Nimzo-Indian, Classical |
| 11. L Ostrowski vs T Wesolowski |
| 1-0 | 41 | 1987 | Myslenice-B | D18 Queen's Gambit Declined Slav, Dutch |
| 12. L Ostrowski vs W Kasperek |
| 1-0 | 54 | 1987 | Myslenice-B | D55 Queen's Gambit Declined |
| 13. M Praszak vs L Ostrowski |
| 0-1 | 57 | 1987 | Myslenice-B | A56 Benoni Defense |
| 14. L Ostrowski vs E Mollaoglu |
| ½-½ | 33 | 1987 | Ruse | A10 English |
| 15. L Ostrowski vs A Deev |
| ½-½ | 42 | 1987 | Ruse | A07 King's Indian Attack |
| 16. L Ostrowski vs A Kolev |
| 1-0 | 28 | 1987 | Ruse | A19 English, Mikenas-Carls, Sicilian Variation |
| 17. L Ostrowski vs I Nowak |
| ½-½ | 47 | 1987 | Poznan | A48 King's Indian |
| 18. L Ostrowski vs T Ernst |
| ½-½ | 24 | 1987 | Poznan | A37 English, Symmetrical |
| 19. L Ostrowski vs A Bozek |
| ½-½ | 35 | 1987 | Poznan | A06 Reti Opening |
| 20. J Woda vs L Ostrowski |
| ½-½ | 63 | 1987 | Poznan | C42 Petrov Defense |
| 21. Hracek vs L Ostrowski |
| 1-0 | 31 | 1987 | Poznan | E12 Queen's Indian |
| 22. L Ostrowski vs I Novikov |
| 0-1 | 30 | 1987 | Poznan | D45 Queen's Gambit Declined Semi-Slav |
| 23. W Schmidt vs L Ostrowski |
| 1-0 | 36 | 1987 | Poznan | A13 English |
| 24. L Ostrowski vs P Stempin |
| ½-½ | 23 | 1987 | Poznan | E15 Queen's Indian |
| 25. L Ostrowski vs R Bernard |
| ½-½ | 58 | 1987 | Poznan | A06 Reti Opening |
Kibitzing
