| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. Z Wyrwa vs L Ostrowski |
| 0-1 | 35 | 1999 | Wisla Hugart op | A07 King's Indian Attack |
| 77. L Ostrowski vs S Ulak |
| 0-1 | 27 | 1999 | Polish Team Championship | A11 English, Caro-Kann Defensive System |
| 78. A Pieniazek vs L Ostrowski |
| ½-½ | 21 | 1999 | Polish Team Championship | D35 Queen's Gambit Declined |
| 79. L Ostrowski vs R Antoniewski |
| ½-½ | 53 | 1999 | Polish Team Championship | A48 King's Indian |
| 80. W Schmidt vs L Ostrowski |
| ½-½ | 22 | 1999 | Polish Team Championship | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 81. L Ostrowski vs E Kengis |
| 0-1 | 34 | 1999 | Polish Team Championship | A04 Reti Opening |
| 82. P Ilczuk vs L Ostrowski |
| 0-1 | 18 | 1999 | Polish Team Championship | C52 Evans Gambit |
| 83. L Ostrowski vs R Przedmojski |
| 1-0 | 37 | 1999 | Polish Team Championship | A04 Reti Opening |
| 84. P Jaracz vs L Ostrowski |
| 1-0 | 40 | 1999 | Polish Team Championship | C03 French, Tarrasch |
| 85. L Ostrowski vs Rozentalis |
| ½-½ | 39 | 1999 | Polish Team Championship | E17 Queen's Indian |
| 86. R Kempinski vs L Ostrowski |
| 0-1 | 23 | 1999 | Polish Team Championship | E11 Bogo-Indian Defense |
| 87. P Haba vs L Ostrowski |
| ½-½ | 24 | 1999 | CZE-chT 1999/00 | E01 Catalan, Closed |
| 88. L Ostrowski vs T Oral |
| 0-1 | 40 | 1999 | CZE-chT 1999/00 | A37 English, Symmetrical |
| 89. L Ostrowski vs W Schmidt |
| 0-1 | 60 | 2000 | POL-chT | C02 French, Advance |
| 90. L Ostrowski vs R Kempinski |
| ½-½ | 30 | 2000 | Polish Team Championship | A16 English |
| 91. L Ostrowski vs Macieja |
| 0-1 | 55 | 2000 | Polish Team Championship | A04 Reti Opening |
| 92. L Ostrowski vs A Volzhin |
| 1-0 | 49 | 2000 | Polish Team Championship | D02 Queen's Pawn Game |
| 93. L Ostrowski vs Z Ksieski |
| 1-0 | 71 | 2001 | TCh-POL | E16 Queen's Indian |
| 94. A Czerwonski vs L Ostrowski |
| ½-½ | 14 | 2001 | TCh-POL | D63 Queen's Gambit Declined, Orthodox Defense |
| 95. L Ostrowski vs P Jaracz |
| 1-0 | 50 | 2001 | TCh-POL | A37 English, Symmetrical |
| 96. I Starostits vs L Ostrowski |
| 0-1 | 38 | 2003 | Poznan op | B43 Sicilian, Kan, 5.Nc3 |
| 97. J Szmetan vs L Ostrowski |
| 0-1 | 59 | 2004 | Internet Section 06B g/8'+2 | A30 English, Symmetrical |
| 98. J Szmetan vs L Ostrowski |
| 1-0 | 58 | 2004 | Internet Section 06A g/8'+2 | A30 English, Symmetrical |
Kibitzing
