| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Ostensson vs Bhat Sudarshan |
| 0-1 | 17 | 2024 | Sitges Open-A | C47 Four Knights |
| 27. Y Zhapova vs J Ostensson |
| 1-0 | 32 | 2025 | World Junior Championship (Girls) | B41 Sicilian, Kan |
| 28. J Ostensson vs M Lu |
| 0-1 | 35 | 2025 | World Junior Championship (Girls) | B40 Sicilian |
| 29. R Saraci vs J Ostensson |
| 0-1 | 49 | 2025 | World Junior Championship (Girls) | E97 King's Indian |
| 30. J Ostensson vs J Romany |
| 1-0 | 42 | 2025 | World Junior Championship (Girls) | B28 Sicilian, O'Kelly Variation |
| 31. A Tarasenka vs J Ostensson |
| 1-0 | 56 | 2025 | World Junior Championship (Girls) | B41 Sicilian, Kan |
| 32. J Ostensson vs D Peglau |
| 0-1 | 35 | 2025 | World Junior Championship (Girls) | D37 Queen's Gambit Declined |
| 33. I Djendjinovic vs J Ostensson |
| ½-½ | 29 | 2025 | World Junior Championship (Girls) | A45 Queen's Pawn Game |
| 34. J Ostensson vs I Vujatovic |
| ½-½ | 43 | 2025 | World Junior Championship (Girls) | B27 Sicilian |
| 35. L Shohradova vs J Ostensson |
| 1-0 | 30 | 2025 | World Junior Championship (Girls) | E71 King's Indian, Makagonov System (5.h3) |
| 36. S Zhou vs J Ostensson |
| 1-0 | 31 | 2025 | World Junior Championship (Girls) | C41 Philidor Defense |
| 37. J Ostensson vs I Ajradinoska |
| 0-1 | 41 | 2025 | World Junior Championship (Girls) | D37 Queen's Gambit Declined |
Kibitzing
