| May 16, 2026 | Buchegger | 0–1 | Rodshtein | Round 2: Buchegger, Fridolin - Rodshtein, Maxim | Queen's Gambit Declined: Three Knights Variation | |
| Jul 29, 2024 | Hessenberger | 0–1 | Buchegger | Round 3: Hessenberger, Andreas - Buchegger, Fridolin | Four Knights Game: Scotch Variation Accepted | |
| Jul 28, 2024 | Buchegger | 0–1 | Sandhoefner | Round 2: Buchegger, Fridolin - Sandhoefner, Florian | Semi-Slav Defense: Normal Variation | |
| Jul 27, 2024 | Postlmayer | 1–0 | Buchegger | Round 1: Postlmayer, Jakob - Buchegger, Fridolin | Grünfeld Defense: Russian Variation, Byrne Variation | |
| Aug 4, 2024 | Schloffer | 1–0 | Buchegger | Round 9: Schloffer, Jasmin-Denise - Buchegger, Fridolin | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Aug 3, 2024 | Buchegger | 1–0 | Gloessl | Round 8: Buchegger, Fridolin - Gloessl, Sota Alexander | Queen's Pawn Game: Modern Defense | |
| Aug 2, 2024 | Schroll | 1–0 | Buchegger | Round 7: Schroll, Gerhard - Buchegger, Fridolin | English Opening: Great Snake Variation | |
| Aug 1, 2024 | Buchegger | 1–0 | Bratko | Round 6: Buchegger, Fridolin - Bratko, Alexander | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Jul 31, 2024 | Merei | 0–1 | Buchegger | Round 5: Merei, David - Buchegger, Fridolin | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jul 30, 2024 | Buchegger | 0–1 | Stadlinger | Round 4: Buchegger, Fridolin - Stadlinger, Lea | Queen's Gambit Declined: Three Knights Variation | |
| Jul 13, 2022 | Buchegger | 1–0 | Kienboeck | 41st St. Veit Jacques Lemans Open | Queen's Pawn Game: Symmetrical Variation | |
| Jul 12, 2022 | Wendl | 0–1 | Buchegger | 41st St. Veit Jacques Lemans Open | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jul 10, 2022 | Novosel | 1–0 | Buchegger | 41. St. Veiter Jacques-Lemans-Open 2022 | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Jul 9, 2022 | Moeller | 1–0 | Buchegger | 41. St. Veiter Jacques-Lemans-Open 2022 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 29, 2021 | Bauer | 1–0 | Buchegger | BU18 | Pirc Defense: Classical Variation, Quiet System | |
| Oct 27, 2021 | Buchegger | * | Pernerstorfer | BU18 | Benoni Defense: Uhlmann Variation | |
| Oct 27, 2021 | Peyrer | 1–0 | Buchegger | BU18 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Oct 26, 2021 | Wendl | * | Buchegger | BU18 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Oct 25, 2021 | Buchegger | 1–0 | Brandauer | BU18 | English Defense | |
| Oct 25, 2021 | Schernthaner | 1–0 | Buchegger | U18 Austrian Youth Championship | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
