| 6 abr 2026 | Browning, Alex 2283 | Garner, Isaac 2403 | ½-½ | B10 Defensa Caro-Kann: Two Knights Attack | Grenke Chess Festival 2026 Open | 82 | Ver |
| 5 abr 2026 | Garner, Isaac 2403 | Brodsky, David 2508 | 0-1 | D37 Gambito de Dama rehusado: Barmen Variation | Grenke Chess Festival 2026 Open | 32 | Ver |
| 5 abr 2026 | Federer, Colin 2284 | Garner, Isaac 2403 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Short Variation | Grenke Chess Festival 2026 Open | 50 | Ver |
| 4 abr 2026 | Garner, Isaac 2403 | Kurt, Sascha 2280 | ½-½ | E92 Defensa India de Rey: Petrosian Variation, Stein Defense | Grenke Chess Festival 2026 Open | 41 | Ver |
| 4 abr 2026 | Dreelinck, Adriaan 2254 | Garner, Isaac 2403 | 0-1 | E29 Defensa Nimzoindia: Sämisch Variation | Grenke Chess Festival 2026 Open | 53 | Ver |
| 3 abr 2026 | Garner, Isaac 2403 | Selbes, Tamer Tarik 2246 | ½-½ | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Grenke Chess Festival 2026 Open | 14 | Ver |
| 3 abr 2026 | Rappazzo, Johannes 2186 | Garner, Isaac 2403 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | Grenke Chess Festival 2026 Open | 60 | Ver |
| 2 abr 2026 | Garner, Isaac 2403 | Andrist, Pascal 2088 | 1-0 | A17 Apertura Inglesa: Anglo-Indian Defense, Nimzo-English | Grenke Chess Festival 2026 Open | 32 | Ver |
| 30 dic 2025 | Weidemann, Jakob 2232 | Garner, Isaac 2390 | 0-1 | A06 Apertura Zukertort | DVM U20 2025 | 41 | Ver |
| 29 dic 2025 | Garner, Isaac 2390 | Udelnov, Valentin 2233 | 1-0 | A04 Apertura Zukertort: Dutch Variation | DVM U20 2025 | 23 | Ver |
| 29 dic 2025 | Gallasch, Jonas 2330 | Garner, Isaac 2390 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation | DVM U20 2025 | 20 | Ver |
| 28 dic 2025 | Ermitsch, Magnus 2420 | Garner, Isaac 2390 | ½-½ | B12 Defensa Caro-Kann: Maróczy Variation | DVM U20 2025 | 39 | Ver |
| 27 dic 2025 | Lutze, Max 2216 | Garner, Isaac 2390 | 1-0 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | DVM U20 2025 | 40 | Ver |
| 27 dic 2025 | Garner, Isaac 2390 | Akturk, Mustafa Deniz 2207 | 1-0 | D17 Defensa Eslava: Czech Variation, Carlsbad Variation, Morozevich Variation | DVM U20 2025 | 29 | Ver |
| 15 dic 2025 | Garner, Isaac 2390 | Hrebenshchykova, Yelyzaveta 2277 | ½-½ | D38 Gambito de Dama rehusado: Ragozin Defense, Alekhine Variation | DVM U20 2025 | 34 | Ver |
| 30 nov 2025 | De Vleeschauwer, Maarten 2268 | Garner, Isaac 2429 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation | European Rapid & Blitz Chess Championships 2025 | Blitz | 22 | Ver |
| 30 nov 2025 | Garner, Isaac 2429 | Kadric, Denis 2531 | ½-½ | A46 Defensa India: Wade-Tartakower Defense | European Rapid & Blitz Chess Championships 2025 | Blitz | 59 | Ver |
| 30 nov 2025 | Vukcevic, Nemanja 2248 | Garner, Isaac 2429 | 0-1 | B10 Defensa Caro-Kann: Two Knights Attack | European Rapid & Blitz Chess Championships 2025 | Blitz | 63 | Ver |
| 30 nov 2025 | Garner, Isaac 2429 | Wojtaszek, Radoslaw 2605 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, Queen's Indian Formation | European Rapid & Blitz Chess Championships 2025 | Blitz | 30 | Ver |
| 30 nov 2025 | Afonso, Joao Pedro 2100 | Garner, Isaac 2429 | 0-1 | B10 Defensa Caro-Kann: Two Knights Attack | European Rapid & Blitz Chess Championships 2025 | Blitz | 35 | Ver |