| 9511 | Ucar - Ostrowski | 0-1 | 30th of April 2007 01:10:50 | (big_chess) | unrated |
| 9516 | Ostrowski - Podogov | 0-1 | 30th of April 2007 01:10:50 | (big_chess) | unrated |
| 9520 | Czekaj - Ostrowski | 1-0 | 30th of April 2007 01:10:50 | (big_chess) | unrated |
| 9523 | Ostrowski - Nagy | 0-1 | 30th of April 2007 01:10:50 | (big_chess) | unrated |
| 9525 | Urbina - Ostrowski | 1-0 | 14th of May 2007 09:09:08 | (big_chess) | unrated |
| 9527 | Ostrowski - de Vassal | 0-1 | 30th of April 2007 01:10:50 | (big_chess) | unrated |
| 9700 | Kuhne - Ostrowski | 1/2-1/2 | 6th of July 2007 03:36:54 | (chess) | rated |
| 9705 | Ostrowski - Helmer | 1/2-1/2 | 2nd of September 2007 01:52:13 | (chess) | rated |
| 9709 | Yeke - Ostrowski | 0-1 | 7th of July 2007 10:06:05 | (chess) | rated |
| 9712 | Ostrowski - Aigner | 1/2-1/2 | 12th of May 2007 02:21:30 | (chess) | rated |
| 9714 | Louro - Ostrowski | 0-1 | 19th of July 2007 19:48:41 | (chess) | rated |
| 9716 | Ostrowski - Eizenhammer | 1-0 | 16th of July 2007 16:24:40 | (chess) | rated |
| 9951 | Perrotta - Ostrowski | 0-1 | 4th of June 2007 06:15:48 | (chess_960) | unrated |
| 9956 | Ostrowski - Podogov | 1-0 | 24th of May 2007 23:01:40 | (chess_960) | unrated |
| 9960 | Nagy - Ostrowski | 0-1 | 5th of October 2007 17:30:00 | (chess_960) | unrated |
| 9964 | Ostrowski - Czekaj | 1-0 | 1st of November 2007 12:14:49 | (chess_960) | unrated |
| 9965 | Frame - Ostrowski | 0-1 | 24th of April 2007 20:30:17 | (chess_960) | unrated |
| 9966 | Ostrowski - Cirulis | 1-0 | 21st of August 2007 16:52:32 | (chess_960) | unrated |
| 10747 | Caire - Ostrowski | 1/2-1/2 | 8th of July 2007 15:44:06 | (chess) | rated |
| 10753 | Ostrowski - Zubac | 1/2-1/2 | 28th of October 2007 21:00:46 | (chess) | rated |
| 10754 | Shwimmer - Ostrowski | 1-0 | 5th of November 2007 12:29:59 | (chess) | rated |
| 10755 | Ostrowski - de Vassal | 1/2-1/2 | 12th of July 2007 20:52:29 | (chess) | rated |
| 10756 | Brunsteins - Ostrowski | 1/2-1/2 | 10th of August 2007 11:27:56 | (chess) | rated |
| 10757 | Ostrowski - Utesch | 1/2-1/2 | 4th of July 2007 15:31:06 | (chess) | rated |
| 12878 | Shwimmer - Ostrowski | 1-0 | 16th of November 2007 07:55:02 | (chess) | rated |
| 12879 | Ostrowski - Shwimmer | 0-1 | 26th of October 2007 14:08:59 | (chess) | rated |
| 12880 | Shwimmer - Ostrowski | 1-0 | 19th of October 2007 16:18:50 | (chess) | rated |
| 12881 | Ostrowski - Shwimmer | 1-0 | 17th of November 2007 15:00:52 | (chess) | rated |
| 12882 | Shwimmer - Ostrowski | 1-0 | 19th of October 2007 16:19:05 | (chess) | rated |
| 12883 | Ostrowski - Shwimmer | 0-1 | 3rd of September 2007 06:04:28 | (chess) | rated |
| 12884 | Shwimmer - Ostrowski | 1/2-1/2 | 31st of October 2007 15:46:51 | (chess) | rated |
| 12885 | Ostrowski - Shwimmer | 0-1 | 3rd of September 2007 06:03:43 | (chess) | rated |
| 17796 | Lacrosse - Ostrowski | 1/2-1/2 | 10th of March 2008 15:30:22 | (chess) | rated |
| 17802 | Ostrowski - Shulga | 1-0 | 22nd of June 2008 23:29:10 | (chess) | rated |
| 17803 | Marton-Bardocz - Ostrowski | 1/2-1/2 | 8th of April 2008 19:57:47 | (chess) | rated |
| 17804 | Ostrowski - Hornung | 1/2-1/2 | 23rd of May 2008 01:01:42 | (chess) | rated |
| 17805 | Sammut - Ostrowski | 0-1 | 8th of June 2008 07:03:45 | (chess) | rated |
| 17806 | Ostrowski - Helmer | 1/2-1/2 | 13th of May 2008 23:19:40 | (chess) | rated |
| 22643 | Ostrowski - Simmelink | 1/2-1/2 | 4th of August 2008 17:38:08 | (chess) | rated |
| 22644 | Schiller - Ostrowski | 1/2-1/2 | 2nd of September 2008 23:19:38 | (chess) | rated |
| 22645 | Ostrowski - Helmer | 1/2-1/2 | 16th of October 2008 16:32:16 | (chess) | rated |
| 22646 | Moreira - Ostrowski | 1/2-1/2 | 13th of September 2008 19:55:04 | (chess) | rated |
| 22647 | Ostrowski - Gueci | 1/2-1/2 | 7th of September 2008 17:53:35 | (chess) | rated |
| 22648 | Pecotic - Ostrowski | 1/2-1/2 | 11th of August 2008 15:52:20 | (chess) | rated |
| 22806 | Ostrowski - Mueller | 0-1 | 16th of October 2008 17:25:56 | (chess) | rated |
| 22807 | Gueci - Ostrowski | 1/2-1/2 | 16th of September 2008 19:52:35 | (chess) | rated |
| 22808 | Ostrowski - Burden | 1/2-1/2 | 23rd of September 2008 23:01:52 | (chess) | rated |
| 22809 | Khachaturov - Ostrowski | 1/2-1/2 | 9th of September 2008 23:52:06 | (chess) | rated |
| 22810 | Ostrowski - Walter | 1/2-1/2 | 17th of September 2008 01:10:09 | (chess) | rated |
| 22811 | Malpalma - Ostrowski | 0-1 | 10th of August 2008 22:32:40 | (chess) | rated |
| 25347 | Ostrowski - Simmelink | 1/2-1/2 | 21st of November 2008 18:26:58 | (chess) | rated |
| 25352 | Stephenson - Ostrowski | 0-1 | 31st of January 2009 20:20:09 | (chess) | rated |
| 25356 | Ostrowski - Kuhne | 1/2-1/2 | 18th of December 2008 20:12:04 | (chess) | rated |
| 25359 | Bezemer - Ostrowski | 0-1 | 4th of January 2009 17:29:52 | (chess) | rated |
| 25362 | Ostrowski - Rotaru | 1/2-1/2 | 30th of December 2008 12:15:21 | (chess) | rated |
| 25363 | Kreindl - Ostrowski | 1/2-1/2 | 11th of December 2008 00:55:39 | (chess) | rated |
| 27031 | Ostrowski - Oortwijn | 1/2-1/2 | 27th of January 2009 19:52:33 | (chess) | rated |
| 27036 | Legrand - Ostrowski | 1/2-1/2 | 10th of April 2009 13:38:05 | (chess) | rated |
| 27040 | Ostrowski - Mueller | 1/2-1/2 | 12th of January 2009 05:14:13 | (chess) | rated |
| 27043 | Helmer - Ostrowski | 1/2-1/2 | 19th of January 2009 17:39:29 | (chess) | rated |
| 27045 | Ostrowski - Kubasky | 0-1 | 14th of August 2009 20:21:11 | (chess) | rated |
| 27046 | Simmelink - Ostrowski | 1/2-1/2 | 25th of December 2008 10:45:48 | (chess) | rated |
| 28074 | Noble - Ostrowski | 1/2-1/2 | 9th of March 2009 10:38:33 | (chess) | rated |
| 28080 | Ostrowski - Lowrance | 1/2-1/2 | 26th of February 2009 06:18:52 | (chess) | rated |
| 28081 | Brunsteins - Ostrowski | 1-0 | 18th of August 2009 08:55:42 | (chess) | rated |
| 28082 | Ostrowski - Banikas | 1/2-1/2 | 18th of March 2009 04:56:37 | (chess) | rated |
| 28083 | Shwimmer - Ostrowski | 1/2-1/2 | 24th of February 2009 14:56:07 | (chess) | rated |
| 28084 | Ostrowski - de Vassal | 1/2-1/2 | 4th of April 2009 20:49:58 | (chess) | rated |
| 36303 | Rotaru - Ostrowski | 1-0 | 11th of April 2010 11:31:57 | (chess) | rated |
| 36308 | Ostrowski - Schiller | 1-0 | 23rd of December 2009 21:43:27 | (chess) | rated |
| 36312 | Drazkowski - Ostrowski | 1/2-1/2 | 15th of December 2009 20:27:52 | (chess) | rated |
| 36316 | Ostrowski - Hladky | 1/2-1/2 | 16th of March 2010 03:34:09 | (chess) | rated |
| 36317 | Khachaturov - Ostrowski | 1/2-1/2 | 25th of March 2010 02:51:11 | (chess) | rated |
| 36318 | Ostrowski - Kruse | 1/2-1/2 | 25th of November 2009 06:31:27 | (chess) | rated |
| 43359 | Lemekhov - Ostrowski | 1/2-1/2 | 27th of August 2010 13:39:44 | (chess) | rated |
| 43364 | Ostrowski - Kruse | 1/2-1/2 | 28th of June 2010 03:35:35 | (chess) | rated |
| 43368 | Timothy - Ostrowski | 0-1 | 16th of August 2010 22:44:48 | (chess) | rated |
| 43371 | Ostrowski - Petrolo | 1/2-1/2 | 13th of July 2010 23:44:15 | (chess) | rated |
| 43373 | de Vassal - Ostrowski | 1/2-1/2 | 28th of June 2010 03:34:40 | (chess) | rated |
| 43375 | Ostrowski - Alexandr | 1-0 | 5th of July 2010 09:21:31 | (chess) | rated |
| 45655 | Ostrowski - Nichols | 1/2-1/2 | 4th of August 2010 02:53:54 | (chess) | rated |
| 45656 | Basiliev - Ostrowski | 1/2-1/2 | 16th of October 2010 21:46:09 | (chess) | rated |
| 45657 | Ostrowski - Simmelink | 1-0 | 4th of August 2010 18:55:55 | (chess) | rated |
| 45658 | Hamby - Ostrowski | 1/2-1/2 | 30th of September 2010 19:15:37 | (chess) | rated |
| 45659 | Ostrowski - Schild | 1-0 | 2nd of November 2010 15:42:35 | (chess) | rated |
| 45660 | Ould Ahmed - Ostrowski | 0-1 | 12th of September 2010 20:42:10 | (chess) | rated |