| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 101. O Jakobsen vs J Ost-Hansen |
| 1-0 | 37 | 1980 | Danish Championship | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 102. J Ost-Hansen vs B Brinck-Claussen |
| ½-½ | 8 | 1980 | Danish Championship | A07 King's Indian Attack |
| 103. B Barth Sahl vs J Ost-Hansen |
| 1-0 | 35 | 1980 | Danish Championship | D37 Queen's Gambit Declined |
| 104. J Ost-Hansen vs G Ligterink |
| 1-0 | 35 | 1980 | Valletta Olympiad | A20 English |
| 105. F Santacruz vs J Ost-Hansen |
| 0-1 | 57 | 1980 | Valletta Olympiad | A04 Reti Opening |
| 106. J Przewoznik vs J Ost-Hansen |
| ½-½ | 44 | 1980 | Valletta Olympiad | B22 Sicilian, Alapin |
| 107. Lobron vs J Ost-Hansen |
| 0-1 | 57 | 1980 | Valletta Olympiad | A07 King's Indian Attack |
| 108. J Ost-Hansen vs Kasparov |
 | ½-½ | 33 | 1980 | Valletta Olympiad | A07 King's Indian Attack |
| 109. Jansa vs J Ost-Hansen |
| ½-½ | 57 | 1981 | Svendborg | B28 Sicilian, O'Kelly Variation |
| 110. I Farago vs J Ost-Hansen |
| 1-0 | 57 | 1981 | Svendborg | A56 Benoni Defense |
| 111. J H Donner vs J Ost-Hansen |
| 1-0 | 42 | 1981 | Svendborg | E69 King's Indian, Fianchetto, Classical Main line |
| 112. J Ost-Hansen vs A Poulsen |
| 1-0 | 37 | 1981 | Svendborg | A25 English |
| 113. L Karlsson vs J Ost-Hansen |
| ½-½ | 27 | 1981 | Svendborg | A20 English |
| 114. J Ost-Hansen vs J O Pedersen |
| 1-0 | 37 | 1981 | Svendborg | A00 Uncommon Opening |
| 115. J Sloth vs J Ost-Hansen |
| 1-0 | 55 | 1981 | Svendborg | E60 King's Indian Defense |
| 116. J Ost-Hansen vs G Iskov |
| ½-½ | 11 | 1981 | Svendborg | A07 King's Indian Attack |
| 117. J Ost-Hansen vs J Bednarski |
| 1-0 | 28 | 1981 | Svendborg | A07 King's Indian Attack |
| 118. J Lechtynsky vs J Ost-Hansen |
| ½-½ | 41 | 1982 | EUchT qual | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 119. J Ost-Hansen vs J Lechtynsky |
| 0-1 | 39 | 1982 | EUchT qual | A00 Uncommon Opening |
| 120. Ftacnik vs J Ost-Hansen |
| 1-0 | 65 | 1982 | 7th North Sea Cup | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 121. Jansa vs J Ost-Hansen |
| ½-½ | 41 | 1982 | 7th North Sea Cup | B40 Sicilian |
| 122. Shamkovich vs J Ost-Hansen |
| 0-1 | 45 | 1982 | 7th North Sea Cup | B40 Sicilian |
| 123. J Ost-Hansen vs P Nikolic |
| ½-½ | 40 | 1982 | 7th North Sea Cup | A00 Uncommon Opening |
| 124. J Ost-Hansen vs C Hansen |
| ½-½ | 90 | 1982 | 7th North Sea Cup | A07 King's Indian Attack |
| 125. J Ost-Hansen vs C Hoi |
| ½-½ | 16 | 1982 | 7th North Sea Cup | A07 King's Indian Attack |
Kibitzing
