| Jul 19, 2025 | Ahn | 0–1 | Knuedel | Round 1: Ahn, Anastasia - Knuedel, Torben | Indian Defense | |
| Aug 29, 2024 | Ahn | 0–1 | Wojs | EYCC 2024 - G16 | Rapport-Jobava System | |
| Aug 28, 2024 | Bruntse | 1–0 | Ahn | EYCC 2024 - G16 | Queen's Gambit Declined: Westphalian Variation | |
| Aug 24, 2024 | Ahn | 0–1 | Petrenko | EYCC 2024 - G16 | Queen's Pawn Game: Accelerated London System | |
| Aug 22, 2024 | Ahn | 0–1 | Sekova | EYCC 2024 - G16 | Rapport-Jobava System | |
| Nov 24, 2023 | Ahn | ½–½ | Amulya | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Rapport-Jobava System | |
| Nov 23, 2023 | Boaron | 0–1 | Ahn | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Nov 22, 2023 | Rice | ½–½ | Ahn | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Queen's Gambit Declined | |
| Nov 21, 2023 | Ahn | 0–1 | Zhanybekova | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Indian Defense | |
| Nov 20, 2023 | Ahn | 1–0 | Kawa | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Rapport-Jobava System | |
| Nov 17, 2023 | Di Fabio | 1–0 | Ahn | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Sicilian Defense: Closed | |
| Nov 14, 2023 | Ahn | 0–1 | Djukic | FIDEWORLDYOUTHCHESSCHAMPIONSHIP Girl 16 | Rapport-Jobava System | |
| Aug 28, 2023 | Ahn | 1–0 | Ozols | WRTC | Rapport-Jobava System | |
| Aug 28, 2023 | Ahn | 1–0 | Sun | WRTC | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| Aug 28, 2023 | Hollstein | 1–0 | Ahn | WRTC | Sicilian Defense: Closed | |
| Aug 28, 2023 | Rennkamp | 1–0 | Ahn | WRTC | Sicilian Defense: Closed | |
| Aug 27, 2023 | Ahn | 1–0 | Spiegelberg | WRTC | Rapport-Jobava System | |
| Aug 27, 2023 | Ahn | 0–1 | Braeutigam | WRTC | Rapport-Jobava System | |
| Aug 27, 2023 | Xue | 1–0 | Ahn | WRTC | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 27, 2023 | Bulkovstein | 1–0 | Ahn | WRTC | Sicilian Defense: Closed | |
| Aug 26, 2023 | Ahn | 0–1 | Przedlacki | WRTC | Rapport-Jobava System | |
| Aug 26, 2023 | Ahn | 1–0 | Odiah | WRTC | Rapport-Jobava System | |
| Aug 26, 2023 | Andrade | 0–1 | Ahn | WRTC | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 26, 2023 | Pheng | 1–0 | Ahn | WRTC | Sicilian Defense: Grand Prix Attack | |
| — | Ahn | 1–0 | Dhooghe | Round 2: Ahn, Anastasia - Dhooghe, Lars | Dutch Defense: Raphael Variation | |
| — | Ahn | 0–1 | Claessens | Round 4: Ahn, Anastasia - Claessens, Thomas | Queen's Pawn Game: Accelerated London System | |
| — | Ahn | 1–0 | Van Gestel | Round 5: Ahn, Anastasia - Van Gestel, Jef | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| — | Ahn | 0–1 | Walrant | Round 7: Ahn, Anastasia - Walrant, Toan | Rapport-Jobava System | |
| — | Ahn | ½–½ | Roose | Round 9: Ahn, Anastasia - Roose, Hoara | King's Pawn Game: Wayward Queen Attack | |
| — | Faybish | ½–½ | Ahn | Round 1: Faybish, Dana - Ahn, Anastasia | Sicilian Defense: Smith-Morra Gambit Accepted | |
| — | De Block | 0–1 | Ahn | Round 3: De Block, Jasper - Ahn, Anastasia | Sicilian Defense: Snyder Variation | |
| — | Demeulder | ½–½ | Ahn | Round 6: Demeulder, Eliott - Ahn, Anastasia | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| — | Vermeulen | ½–½ | Ahn | Round 8: Vermeulen, Hailey - Ahn, Anastasia | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
