| Jan 3, 2026 | Ostensson | 0–1 | Cubas Pons | Round 7: Ostensson, Julia - Cubas Pons, Juan Miguel | English Defense | |
| Dec 31, 2025 | Ostensson | 0–1 | Stanojevic | Round 4: Ostensson, Julia - Stanojevic, Ilija | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 31, 2025 | Shuqja | 1–0 | Ostensson | Round 3: Shuqja, Klean - Ostensson, Julia | Philidor Defense: Lion Variation, Shirov Gambit | |
| Nov 6, 2025 | Ostensson | 0–1 | Adharsh K | Round 6: Ostensson, Julia - Adharsh K | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 14, 2025 | Ostensson | 0–1 | Skvortsova | Round 9: Ostensson, Julia - Skvortsova, Alena | Queen's Gambit Accepted | |
| Oct 13, 2025 | Tuominen | 1–0 | Ostensson | Round 8: Tuominen, Tanja - Ostensson, Julia | Pirc Defense | |
| Oct 12, 2025 | Thorsteinsdottir | 1–0 | Ostensson | Round 7: Thorsteinsdottir, Hallgerdur - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 10, 2025 | Ostensson | 0–1 | Zvereva | Round 6: Ostensson, Julia - Zvereva, Marija | Sicilian Defense: Kalashnikov Variation | |
| Oct 9, 2025 | Ostensson | 1–0 | Rutherford | Round 5: Ostensson, Julia - Rutherford, Kathleen | Sicilian Defense: Katalimov Variation | |
| Oct 7, 2025 | Ostensson | 0–1 | Purtseladze | Round 3: Ostensson, Julia - Purtseladze, Maka | Queen's Indian Defense: Fianchetto Variation | |
| Oct 6, 2025 | Mgeladze | 1–0 | Ostensson | Round 2: Mgeladze, Kesaria - Ostensson, Julia | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Oct 5, 2025 | Caglar | 1–0 | Ostensson | Round 1: Caglar, Sila - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 14, 2025 | Lesbekova | 0–1 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | Philidor Defense: Lion Variation | |
| Jun 14, 2025 | Ostensson | 0–1 | Saduakassova | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Indian Defense: Spassky System | |
| Jun 14, 2025 | Derlich | 1–0 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | Philidor Defense: Lion Variation | |
| Jun 14, 2025 | Ostensson | 0–1 | Tsolakidou | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 14, 2025 | Ostensson | 0–1 | Kaliakhmet | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Gambit Declined | |
| Jun 14, 2025 | Mutisya | 1–0 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | Queen's Pawn Game: Barry Attack | |
| Jun 14, 2025 | Ostensson | 1–0 | Arakhamia-Grant | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 14, 2025 | Gaal | 1–0 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Attack: Symmetrical Defense | |
| Jun 14, 2025 | Ostensson | 0–1 | Uuriintuya | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 14, 2025 | Hng | 1–0 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jun 14, 2025 | Ostensson | 0–1 | Mokhber-Garcia | 2025 FIDE World Blitz Team Championschip Pool D | Four Knights Game: Scotch Variation Accepted | |
| Jun 14, 2025 | Kairbekova | 1–0 | Ostensson | 2025 FIDE World Blitz Team Championschip Pool D | Philidor Defense: Lion Variation | |
| Jun 14, 2025 | Ostensson | 1–0 | Cujba | 2025 FIDE World bLITZ Team Championschip Pool D | King's Indian Defense: Semi-Classical Variation, Queenside Storm Line | |
| Jun 13, 2025 | Bharat Kumar | 0–1 | Ostensson | Round 12: Bharat Kumar, Balahari - Ostensson, Julia | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Jun 13, 2025 | Kabugu | 0–1 | Ostensson | Round 11: Kabugu, Njagi - Ostensson, Julia | Queen's Pawn Game | |
| Jun 13, 2025 | Ostensson | 0–1 | Sefton | Round 10: Ostensson, Julia - Sefton, Adam | Indian Defense: Anti-Nimzo-Indian | |
| Jun 13, 2025 | Ostensson | 0–1 | Agafonov | Round 9: Ostensson, Julia - Agafonov, Yuri Dr | Dutch Defense: Nimzo-Dutch Variation | |
| Jun 12, 2025 | Derlich | 0–1 | Ostensson | Round 8: Derlich, Sarah Sima - Ostensson, Julia | Philidor Defense: Lion Variation | |
| Jun 12, 2025 | Ostensson | 0–1 | Mokhber-Garcia | Round 7: Ostensson, Julia - Mokhber-Garcia, Sebastian | Bogo-Indian Defense: Grünfeld Variation | |
| Jun 12, 2025 | Ciocan | 1–0 | Ostensson | Round 6: Ciocan, Maria-Alexandra - Ostensson, Julia | Pirc Defense | |
| Jun 12, 2025 | Ulziikhishig Khishigbat | 1–0 | Ostensson | Round 5: Ulziikhishig Khishigbat - Ostensson, Julia | King's Indian Defense: Normal Variation | |
| Jun 11, 2025 | Ostensson | 1–0 | Lesbekova | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined | |
| Jun 11, 2025 | Garcia Martin | 1–0 | Ostensson | 2025 FIDE World Rapid Team Championschip matches 11-18 | Philidor Defense: Lion Variation | |
| Jun 11, 2025 | Ostensson | 1–0 | Rath | 2025 FIDE World Rapid Team Championship matches 19-26 | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack | |
| Jun 11, 2025 | Ostensson | 0–1 | Tsatsalashvili | 2025 FIDE World Rapid Team Championschip matches 11-18 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Timman's Line | |
| Apr 27, 2025 | Harshavardhini | 0–1 | Ostensson | NM Piger Gruppe A | Lion Defense: Anti-Philidor, Lion's Cave | |
| Apr 27, 2025 | Vashchenko | 0–1 | Ostensson | NM Piger Gruppe A | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Apr 26, 2025 | Ostensson | 0–1 | Helgadottir | NM Piger Gruppe A | Queen's Gambit Declined | |
| Apr 26, 2025 | Bruntse | 0–1 | Ostensson | NM Piger Gruppe A | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Apr 25, 2025 | Ostensson | 1–0 | Christensen | NM Piger Gruppe A | Dutch Defense: Stonewall Variation, Modern Variation | |
| Mar 16, 2025 | Ostensson | 1–0 | Dahlkvist Hartwig | Round 7: Ostensson, Julia - Dahlkvist Hartwig, Sture | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Feb 8, 2025 | Reid | ½–½ | Ostensson | Elite Hotels Open 2025 | King's Indian Defense: Sämisch Variation, Sämisch Gambit | |
| Feb 7, 2025 | Ostensson | 1–0 | Jacobsen | Elite Hotels Open 2025 | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Feb 7, 2025 | Ostensson | ½–½ | Valcu | Elite Hotels Open 2025 | Blumenfeld Countergambit Accepted | |
| Feb 7, 2025 | Frank | ½–½ | Ostensson | Elite Hotels Open 2025 | English Opening: Anglo-Indian Defense | |
| Mar 7, 2025 | Ostensson | 0–1 | Ajradinoska | Round 11: Ostensson, Julia - Ajradinoska, Indzi | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | |
| Mar 6, 2025 | Zhou | 1–0 | Ostensson | Round 10: Zhou, Shumeng - Ostensson, Julia | Philidor Defense: Lion Variation | |
| Mar 5, 2025 | Shohradova | 1–0 | Ostensson | Round 9: Shohradova, Lala - Ostensson, Julia | King's Indian Defense: Makogonov Variation | |
| Mar 4, 2025 | Ostensson | ½–½ | Vujatovic | Round 8: Ostensson, Julia - Vujatovic, Irina | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 3, 2025 | Djendjinovic | ½–½ | Ostensson | Round 7: Djendjinovic, Ines - Ostensson, Julia | Trompowsky Attack | |
| Mar 2, 2025 | Ostensson | 0–1 | Peglau | Round 6: Ostensson, Julia - Peglau, Dora | Queen's Gambit Declined: Three Knights Variation | |
| Mar 1, 2025 | Tarasenka | 1–0 | Ostensson | Round 5: Tarasenka, Aliaksandra - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Feb 28, 2025 | Ostensson | 1–0 | Romany | Round 4: Ostensson, Julia - Romany, Joy | Sicilian Defense: O'Kelly Variation, Venice System | |
| Feb 27, 2025 | Saraci | 0–1 | Ostensson | Round 3: Saraci, Rinesa - Ostensson, Julia | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Feb 26, 2025 | Ostensson | 0–1 | Lu | Round 2: Ostensson, Julia - Lu, Miaoyi | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Feb 25, 2025 | Zhapova | 1–0 | Ostensson | Round 1: Zhapova, Yana - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Sep 8, 2024 | Lehtonen | 1–0 | Ostensson | The Kvibergspelen 2024 | Polish Opening: King's Indian Variation | |
| Sep 8, 2024 | Berling | ½–½ | Ostensson | The Kvibergspelen 2024 | Rapport-Jobava System | |
| Sep 7, 2024 | Ostensson | 1–0 | Rajcevski | The Kvibergspelen 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 7, 2024 | Ostensson | 0–1 | Muntean | The Kvibergspelen 2024 | Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense | |
| Sep 6, 2024 | Arman | 1–0 | Ostensson | The Kvibergspelen 2024 | Sicilian Defense: Kan Variation, Wing Attack | |
| Sep 6, 2024 | Marandi | 0–1 | Ostensson | The Kvibergspelen 2024 | Sicilian Defense: Closed, Korchnoi Defense | |
| Jul 7, 2024 | Ostensson | ½–½ | Granath | Schack-SM 2024: Mastarklassen | Four Knights Game: Scotch Variation Accepted | |
| Jul 6, 2024 | Ostensson | 1–0 | Joensson | Schack-SM 2024: Mastarklassen | Caro-Kann Defense: Tartakower Variation | |
| Jul 5, 2024 | Karlsson | ½–½ | Ostensson | Schack-SM 2024: Mastarklassen | Sicilian Defense: Delayed Alapin Variation | |
| Jul 4, 2024 | Ostensson | ½–½ | Sundin | Schack-SM 2024: Mastarklassen | Scandinavian Defense: Modern Variation | |
| Jul 3, 2024 | Carlstrom | 1–0 | Ostensson | Schack-SM 2024: Mastarklassen | Rapport-Jobava System | |
| Jul 2, 2024 | Landgren | ½–½ | Ostensson | Schack-SM 2024: Mastarklassen | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Jul 1, 2024 | Ostensson | 0–1 | Nygren | Schack-SM 2024: Mastarklassen | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jun 30, 2024 | Ostensson | 1–0 | Lind | Schack-SM 2024: Mastarklassen | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 29, 2024 | Johnson | ½–½ | Ostensson | Schack-SM 2024: Mastarklassen | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Feb 9, 2024 | Seo | 1–0 | Ostensson | Elite Hotels Open 2024 | Sicilian Defense: Modern Variations | |
| Oct 30, 2024 | Ostensson | ½–½ | Falkevall | Round 9: Ostensson, Julia - Falkevall, Axel | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 30, 2024 | Valcu | 1–0 | Ostensson | Round 8: Valcu, Lavinia - Ostensson, Julia | King's Indian Defense: Four Pawns Attack, Dynamic Attack | |
| Oct 28, 2024 | Ostensson | 0–1 | Omarsson | Round 6: Ostensson, Julia - Omarsson, Adam | Pirc Defense: Austrian Attack, Dragon Formation | |
| Oct 28, 2024 | Nilsson | ½–½ | Ostensson | Round 5: Nilsson, Oliver - Ostensson, Julia | Sicilian Defense: Kan Variation, Wing Attack | |
| Oct 27, 2024 | Seiger | ½–½ | Ostensson | Round 4: Seiger, Vidar - Ostensson, Julia | King's Indian Attack: Symmetrical Defense | |
| Oct 26, 2024 | Ostensson | ½–½ | Preman | Round 3: Ostensson, Julia - Preman, Nathan | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Oct 26, 2024 | Thorisson | 1–0 | Ostensson | Round 2: Thorisson, Benedikt - Ostensson, Julia | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 25, 2024 | Ostensson | 0–1 | Tripathi | Round 1: Ostensson, Julia - Tripathi, Pratyush | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Aug 11, 2024 | Ostensson | 0–1 | Frank | Round 5: Ostensson, Julia - Frank, Anton 2006 | Ruy Lopez: Morphy Defense | |
| Aug 11, 2024 | Seiger | 0–1 | Ostensson | Round 4: Seiger, Vidar - Ostensson, Julia | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Aug 10, 2024 | Ostensson | 1–0 | Kingsley | Round 3: Ostensson, Julia - Kingsley, Elias | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Aug 10, 2024 | Duke | ½–½ | Ostensson | Round 2: Duke, Michael - Ostensson, Julia | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| Aug 9, 2024 | Ostensson | ½–½ | Hagevi | Round 1: Ostensson, Julia - Hagevi, Vidar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 15, 2023 | Ostensson | 0–1 | Hector | Malmo Open 2023 | Four Knights Game: Scotch Variation Accepted | |
| Nov 20, 2023 | Ostensson | ½–½ | Kalaiyalahan | European Women's Team Championship | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 18, 2023 | Hryzlova | 1–0 | Ostensson | European Women's Team Championship | Indian Defense: Tartakower Attack | |
| Nov 15, 2023 | Thorsteinsdottir | 1–0 | Ostensson | European Women's Team Championship | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Nov 13, 2023 | Norlamo | 0–1 | Ostensson | European Women's Team Championship | King's Indian Defense: Semi-Averbakh System | |
| Nov 12, 2023 | Ostensson | 0–1 | Zhezhovska | European Women's Team Championship | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 15, 2023 | Hansen | 1–0 | Ostensson | The Kvibergspelen 2023 | Pirc Defense | |
| Apr 2, 2023 | Cramling Bellon | ½–½ | Ostensson | Reykjavik Open 2023 | King's Indian Defense: Makogonov Variation | |
| Mar 31, 2023 | Ricken | * | Ostensson | Reykjavik Open | ? | |
| Jan 1, 2023 | Ostensson | 0–1 | Amin | Blixt-SM - open Swedish blitz championship | Four Knights Game: Scotch Variation Accepted | |
| Sep 25, 2022 | Ostensson | 1–0 | Asiphong | Damallsvenskan 2022 | Ruy Lopez: Steinitz Defense | |
| Sep 4, 2022 | Ostensson | 1–0 | Gultekin | Dam-SM i snabbschack 2022 | Ruy Lopez: Classical Variation, Central Variation | |
| Sep 4, 2022 | Ostensson | 0–1 | Mariano-Wagman | Dam-SM i snabbschack 2022 | French Defense: Normal Variation | |