| — | Garner | ½–½ | Froewis | new tournament description | Bogo-Indian Defense: Retreat Variation | |
| — | Engel | ½–½ | Garner | new tournament description | English Opening: Caro-Kann Defensive System | |
| Apr 6, 2026 | Browning | ½–½ | Garner | Grenke Chess Festival 2026 Open | Caro-Kann Defense: Two Knights Attack | |
| Apr 5, 2026 | Garner | 0–1 | Brodsky | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Barmen Variation | |
| Apr 5, 2026 | Federer | 0–1 | Garner | Grenke Chess Festival 2026 Open | Caro-Kann Defense: Advance Variation, Short Variation | |
| Apr 4, 2026 | Garner | ½–½ | Kurt | Grenke Chess Festival 2026 Open | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Apr 4, 2026 | Dreelinck | 0–1 | Garner | Grenke Chess Festival 2026 Open | Nimzo-Indian Defense: Sämisch Variation | |
| Apr 3, 2026 | Garner | ½–½ | Selbes | Grenke Chess Festival 2026 Open | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 3, 2026 | Rappazzo | 0–1 | Garner | Grenke Chess Festival 2026 Open | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 2, 2026 | Garner | 1–0 | Andrist | Grenke Chess Festival 2026 Open | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Dec 30, 2025 | Weidemann | 0–1 | Garner | DVM U20 2025 | Zukertort Opening | |
| Dec 29, 2025 | Garner | 1–0 | Udelnov | DVM U20 2025 | Zukertort Opening: Dutch Variation | |
| Dec 29, 2025 | Gallasch | ½–½ | Garner | DVM U20 2025 | Queen's Pawn Game: Symmetrical Variation | |
| Dec 28, 2025 | Ermitsch | ½–½ | Garner | DVM U20 2025 | Caro-Kann Defense: Maróczy Variation | |
| Dec 27, 2025 | Lutze | 1–0 | Garner | DVM U20 2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 27, 2025 | Garner | 1–0 | Akturk | DVM U20 2025 | Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation | |
| Dec 15, 2025 | Garner | ½–½ | Hrebenshchykova | DVM U20 2025 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Nov 30, 2025 | De Vleeschauwer | 0–1 | Garner | Round 13: De Vleeschauwer, Maarten - Garner, Isaac | Caro-Kann Defense: Exchange Variation | |
| Nov 30, 2025 | Garner | ½–½ | Kadric | Round 12: Garner, Isaac - Kadric, Denis | Indian Defense: Wade-Tartakower Defense | |
| Nov 30, 2025 | Vukcevic | 0–1 | Garner | Round 11: Vukcevic, Nemanja - Garner, Isaac | Caro-Kann Defense: Two Knights Attack | |
| Nov 30, 2025 | Garner | 0–1 | Wojtaszek | Round 10: Garner, Isaac - Wojtaszek, Radoslaw | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Nov 30, 2025 | Afonso | 0–1 | Garner | Round 9: Afonso, Joao Pedro - Garner, Isaac | Caro-Kann Defense: Two Knights Attack | |
| Nov 30, 2025 | Garner | 1–0 | Aymerich Verdaguer | Round 8: Garner, Isaac - Aymerich Verdaguer, Eduard | Zukertort Opening: Dutch Variation | |
| Nov 30, 2025 | Krasteva | ½–½ | Garner | Round 7: Krasteva, Beloslava - Garner, Isaac | Queen's Indian Accelerated | |
| Nov 30, 2025 | Garner | ½–½ | Stamatiou | Round 6: Garner, Isaac - Stamatiou, Rodolfos | English Opening: Symmetrical Variation | |
| Nov 30, 2025 | Jobava | 1–0 | Garner | Round 5: Jobava, Baadur - Garner, Isaac | Nimzo-Larsen Attack: Modern Variation | |
| Nov 30, 2025 | Garner | 1–0 | Karacsonyi | Round 4: Garner, Isaac - Karacsonyi, Kata | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Nov 30, 2025 | Rut | 0–1 | Garner | Round 3: Rut, Vojtech - Garner, Isaac | Pseudo Queen's Indian Defense | |
| Nov 30, 2025 | Garner | ½–½ | Szalay-Ocsak | Round 2: Garner, Isaac - Szalay-Ocsak, Bank | Queen's Gambit Declined: Harrwitz Attack | |
| Nov 30, 2025 | Moracchini | 0–1 | Garner | Round 1: Moracchini, Margaux - Garner, Isaac | Caro-Kann Defense: Panov Attack | |
| Nov 29, 2025 | Uruci | 0–1 | Garner | Round 11: Uruci, Besim - Garner, Isaac | Pseudo Queen's Indian Defense | |
| Nov 29, 2025 | Garner | ½–½ | Meyer | Round 10: Garner, Isaac - Meyer, Falko | Slav Defense: Chebanenko Variation | |
| Nov 29, 2025 | Lohr | 1–0 | Garner | Round 8: Lohr, Maximilian - Garner, Isaac | Caro-Kann Defense: Tartakower Variation | |
| Nov 29, 2025 | Cotic | 1–0 | Garner | Round 6: Cotic, Borna - Garner, Isaac | Caro-Kann Defense: Two Knights Attack | |
| Nov 28, 2025 | Olcina Monells | ½–½ | Garner | Round 4: Olcina Monells, Jordi - Garner, Isaac | Caro-Kann Defense: Exchange Variation | |
| Nov 28, 2025 | Garner | 0–1 | Pechac | Round 3: Garner, Isaac - Pechac, Jergus | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 5, 2025 | Garner | 1–0 | Stork | IM-Turnier 2025 2025 | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Oct 4, 2025 | Carlstedt | ½–½ | Garner | IM-Turnier 2025 2025 | English Opening | |
| Oct 4, 2025 | Garner | ½–½ | Eugene | IM-Turnier 2025 2025 | Queen's Gambit Declined: Barmen Variation | |
| Oct 3, 2025 | Hartge | 0–1 | Garner | IM-Turnier 2025 2025 | Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack | |
| Oct 2, 2025 | Garner | 1–0 | Tschernatsch | IM-Turnier 2025 2025 | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Oct 1, 2025 | Rodriguez | 1–0 | Garner | IM-Turnier 2025 2025 | Catalan Opening | |
| Oct 1, 2025 | Garner | ½–½ | Ngo | IM-Turnier 2025 2025 | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Sep 29, 2025 | Nothnagel | ½–½ | Garner | IM-Turnier 2025 2025 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Sep 29, 2025 | Kopylov | ½–½ | Garner | IM-Turnier 2025 2025 | King's Indian Attack | |
| Sep 28, 2025 | Garner | 0–1 | Donchenko | Bundesliga 25/26 | Queen's Indian Defense: Capablanca Variation | |
| Sep 27, 2025 | Winterberg | 1–0 | Garner | Bundesliga 25/26 | Pseudo Queen's Indian Defense | |
| May 23, 2025 | Garner | 0–1 | Gloeckler | Round 9: Garner, Isaac - Gloeckler, Christian | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| May 22, 2025 | Polster | ½–½ | Garner | Round 8: Polster, Christian - Garner, Isaac | Caro-Kann Defense: Two Knights Attack | |
| May 21, 2025 | Garner | ½–½ | Miller | Round 7: Garner, Isaac - Miller, Eduard | King's Indian Defense: Petrosian Variation, Stein Defense | |
| May 21, 2025 | Pfrommer | 0–1 | Garner | Round 6: Pfrommer, Christoph - Garner, Isaac | Pseudo Queen's Indian Defense | |
| May 20, 2025 | Garner | 0–1 | Krastev | Round 5: Garner, Isaac - Krastev, Alexander | French Defense: Exchange Variation | |
| May 19, 2025 | Braun | ½–½ | Garner | Round 4: Braun, Georg, Dr. - Garner, Isaac | Caro-Kann Defense: Tartakower Variation | |
| May 19, 2025 | Besou | ½–½ | Garner | Round 3: Besou, Hussain - Garner, Isaac | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| May 17, 2025 | Garner | 1–0 | Ollenberger | Round 1: Garner, Isaac - Ollenberger, Roland | Queen's Gambit Declined: Ragozin Defense | |
| May 16, 2025 | Garner | ½–½ | Kunin | Round 2: Garner, Isaac - Kunin, Vitaly | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Apr 21, 2025 | Garner | ½–½ | Bellahcene | Grenke Chess Open A | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Apr 21, 2025 | Ten Hertog | ½–½ | Garner | Round 8: Ten Hertog, Hugo - Garner, Isaac | Hungarian Opening | |
| Apr 20, 2025 | Garner | 1–0 | Kenneskog | Round 7: Garner, Isaac - Kenneskog, Theodor | King's Indian Defense: Normal Variation, Rare Defenses | |
| Apr 20, 2025 | Daeschler | 0–1 | Garner | Round 6: Daeschler, Florian - Garner, Isaac | Caro-Kann Defense: Tartakower Variation | |
| Apr 19, 2025 | Garner | 0–1 | Woodward | Round 5: Garner, Isaac - Woodward, Andy | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 19, 2025 | Nied | 0–1 | Garner | Round 4: Nied, Pascal - Garner, Isaac | Caro-Kann Defense: Tartakower Variation | |
| Feb 23, 2025 | Garner | ½–½ | Krasenkow | BL 2425 Hamburger SK - Schachfreunde Deizisau | Wade Defense | |
| Feb 22, 2025 | Kocharin | ½–½ | Garner | BL 2425 OSG Baden-Baden - Hamburger SK | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Dec 30, 2024 | Garner | ½–½ | Englert | DVM U20 2024 | ? | |
| Dec 29, 2024 | Koll | 0–1 | Garner | DVM U20 2024 | Caro-Kann Defense: Endgame Offer | |
| Dec 29, 2024 | Bethke | ½–½ | Garner | DVM U20 2024 | Caro-Kann Defense: Advance Variation | |
| Dec 28, 2024 | Garner | 1–0 | Gallasch | DVM U20 2024 | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Dec 28, 2024 | Schuricht | ½–½ | Garner | DVM U20 2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Dec 27, 2024 | Garner | 1–0 | Mankel | DVM U20 2024 | Queen's Gambit Declined: Three Knights Variation | |
| Sep 28, 2024 | Sonnenschein | 1–0 | Garner | Round 29: Sonnenschein, Philipp - Garner, Isaac | King's Indian Defense: Semi-Averbakh System | |
| Sep 28, 2024 | Vogel | 0–1 | Garner | Round 27: Vogel, Roven - Garner, Isaac | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Sep 28, 2024 | Garner | 1–0 | Dobrikov | Round 23: Garner, Isaac - Dobrikov, Marco | French Defense: Exchange Variation | |
| Sep 28, 2024 | Garner | 0–1 | Donchenko | Round 25: Garner, Isaac - Donchenko, Alexander | Catalan Opening: Open Defense | |
| May 25, 2024 | Garner | ½–½ | Farokhi | DEM U18 2024 | Trompowsky Attack | |
| May 24, 2024 | Bilovil | 1–0 | Garner | DEM U18 2024 | King's Knight Opening: Konstantinopolsky | |
| May 23, 2024 | Haack | 0–1 | Garner | DEM U18 2024 | Catalan Opening: Closed | |
| May 22, 2024 | Garner | 1–0 | Rempe | DEM U18 2024 | Pseudo Queen's Indian Defense | |
| May 22, 2024 | Bui | 0–1 | Garner | DEM U18 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with a5 | |
| May 21, 2024 | Garner | 0–1 | Petrovskyi | DEM U18 2024 | Catalan Opening: Open Defense, Classical Line | |
| May 20, 2024 | Heinrich | ½–½ | Garner | DEM U18 2024 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 19, 2024 | Garner | 1–0 | Scharf | DEM U18 2024 | Queen's Pawn Game: London System | |
| May 19, 2024 | Foksha | ½–½ | Garner | DEM U18 2024 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Mar 31, 2024 | Garner | 1–0 | Lauer | Grenke Open | Polish Defense: Spassky Gambit Accepted | |
| Mar 31, 2024 | Semling | 0–1 | Garner | new tournament description | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 30, 2024 | Garner | ½–½ | Ernst | Grenke Open | ? | |
| Mar 30, 2024 | Farmani Anosheh | ½–½ | Garner | Grenke Open | English Opening: Neo-Catalan | |
| Mar 29, 2024 | Vogel | 1–0 | Garner | Grenke Chess Open 2024 | King's Indian Defense: Orthodox Variation | |
| Dec 16, 2023 | Garner | 0–1 | Bacrot | European Blitz Championship | Sicilian Defense: Alapin Variation | |
| Dec 14, 2023 | Plenca | 1–0 | Garner | European Rapid Championship | Sicilian Defense: French Variation | |
| Oct 28, 2023 | Garner | ½–½ | Weichelt | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | King's Indian Attack | |
| Jun 27, 2021 | Garner | ½–½ | Ermitsch | DVM U14 2020 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jun 26, 2021 | Garner | 1–0 | Hänselmann | DVM U14 2020 | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Jun 26, 2021 | Eilenberg | ½–½ | Garner | DVM U14 2020 | Nimzo-Indian Defense | |
| Jun 25, 2021 | Garner | 1–0 | Bock | DVM U14 2021 | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jun 25, 2021 | Yin | 0–1 | Garner | DVM U14 2021 | Indian Defense | |
| Jun 24, 2021 | Garner | * | Schulemann | DVM U14 2021 | Sicilian Defense: Kan Variation, Modern Variation | |