| 16 ago 2026 | Sandberg, Lucas 2320 | Kleist, Axel 2170 | ½-½ | A00 Apertura Van Geet | West Coast Chess Open by Mediegymnasiet 2026 | 31 | Ver |
| 16 ago 2026 | Kleist, Axel 2170 | Ral Lustig, Melvin 2249 | 0-1 | B23 Defensa Siciliana: Grand Prix Attack | West Coast Chess Open by Mediegymnasiet 2026 | 40 | Ver |
| 15 ago 2026 | Kleist, Axel 2170 | Eklund, Joel 2171 | 1-0 | B01 Defensa Escandinava: Classical Variation | West Coast Chess Open by Mediegymnasiet 2026 | 36 | Ver |
| 15 ago 2026 | Bende, Tobias 2127 | Kleist, Axel 2170 | 0-1 | B32 Defensa Siciliana: Kalashnikov Variation | West Coast Chess Open by Mediegymnasiet 2026 | 64 | Ver |
| 14 ago 2026 | Kleist, Axel 2170 | Ernst, Thomas 2251 | ½-½ | B23 Defensa Siciliana: Grand Prix Attack | West Coast Chess Open by Mediegymnasiet 2026 | 30 | Ver |
| 2 jul 2026 | Kleist, Axel 2167 | Ljungros, Lo 2138 | 0-1 | C16 Defensa Francesa: Winawer Variation, Advance Variation | Schack-SM 2026 | Junior-SM | 59 | Ver |
| 2 jul 2026 | Lilliehook, Victor 2177 | Kleist, Axel 2167 | 0-1 | C07 Defensa Francesa: Tarrasch Variation, Chistyakov Defense | Schack-SM 2026 | Junior-SM | 21 | Ver |
| 1 jul 2026 | Kleist, Axel 2167 | Strom-Engdahl, Alexander 2308 | 1-0 | C41 Defensa Philidor: Lion Variation | Schack-SM 2026 | Junior-SM | 49 | Ver |
| 30 jun 2026 | Sandberg, Lucas 2305 | Kleist, Axel 2167 | ½-½ | A16 Apertura Inglesa: Anglo-Indian Defense, Queen's Knight Variation | Schack-SM 2026 | Junior-SM | 36 | Ver |
| 29 jun 2026 | Valcu, Lavinia 2146 | Kleist, Axel 2167 | 1-0 | E71 Defensa India de Rey: Makogonov Variation | Schack-SM 2026 | Junior-SM | 35 | Ver |
| 28 jun 2026 | Kleist, Axel 2167 | Ral Lustig, Melvin 2235 | 0-1 | C50 Apertura Italiana: Giuoco Piano | Schack-SM 2026 | Junior-SM | 39 | Ver |
| 27 jun 2026 | Morell, Oscar 2171 | Kleist, Axel 2167 | ½-½ | C00 Defensa Francesa: Two Knights Variation | Schack-SM 2026 | Junior-SM | 80 | Ver |
| 24 jun 2026 | Kleist, Axel 2167 | Frank, Anton 2213 | 1-0 | B45 Defensa Siciliana: Four Knights Variation, Exchange Variation | Schack-SM 2026 | Junior-SM | 34 | Ver |
| 24 jun 2026 | Grahn, Vidar 2245 | Kleist, Axel 2167 | 1-0 | E73 Defensa India de Rey: Semi-Averbakh System | Schack-SM 2026 | Junior-SM | 55 | Ver |
| 8 feb 2026 | Liu, Yi 2372 | Kleist, Axel 2098 | 1-0 | A84 Defensa Holandesa: Classical Variation | Elite Hotels Open 2026 | 39 | Ver |
| 8 feb 2026 | Kleist, Axel 2098 | Olsson, William 2386 | 1-0 | C50 Apertura Italiana: Giuoco Piano | Elite Hotels Open 2026 | 30 | Ver |
| 7 feb 2026 | Dingertz, Erik 2176 | Kleist, Axel 2098 | ½-½ | A53 Defensa India Antigua | Elite Hotels Open 2026 | 53 | Ver |
| 7 feb 2026 | Kleist, Axel 2098 | Wernberg, Hugo 2281 | 1-0 | C02 Defensa Francesa: Advance Variation, Paulsen Attack | Elite Hotels Open 2026 | 65 | Ver |
| 6 feb 2026 | Kleist, Axel 2098 | Vernersson, Per 2276 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Bayonet Attack | Elite Hotels Open 2026 | 47 | Ver |
| 22 nov 2025 | Kleist, Axel 2050 | Lindholm, Gustav 2118 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Petronić Attack | The Juniorallsvenskan 2025, Division I | 27 | Ver |