| 23 jul 2026 | Ljungros, Lo 2138 | Logdahl, Harald 2194 | 1-0 | A04 Apertura Zukertort: Dutch Variation | Stockholm Summer Nights Open | 48 | Ver |
| 22 jul 2026 | Logdahl, Harald 2194 | Jakenberg, Jussi 2077 | 1-0 | B00 Defensa Pirc | Stockholm Summer Nights Open | 48 | Ver |
| 21 jul 2026 | Cederstam, Carl 2365 | Logdahl, Harald 2194 | 1-0 | B03 Defensa Alekhine: Exchange Variation | Stockholm Summer Nights Open | 37 | Ver |
| 20 jul 2026 | Logdahl, Harald 2194 | Rosenthal, Emanuel 2001 | 1-0 | C00 Defensa Francesa: King's Indian Attack | Stockholm Summer Nights Open | 28 | Ver |
| 20 jul 2026 | Skripchenko, Almira 2371 | Logdahl, Harald 2194 | 1-0 | C47 Apertura de los Cuatro Caballos: Scotch Variation Accepted | Stockholm Summer Nights Open | 68 | Ver |
| 6 abr 2026 | Mashhadi, Peyman 2190 | Logdahl, Harald 2193 | 0-1 | B05 Defensa Alekhine: Modern Variation, Flohr Variation | The Paskturneringen 2026 | 45 | Ver |
| 5 abr 2026 | Logdahl, Harald 2193 | Eriksson, Kristian 2047 | ½-½ | C48 Apertura de los Cuatro Caballos: Spanish Variation | The Paskturneringen 2026 | 43 | Ver |
| 5 abr 2026 | Meszaros, Daniel 2100 | Logdahl, Harald 2193 | ½-½ | B21 Defensa Siciliana: Smith-Morra Gambit Declined, Push Variation | The Paskturneringen 2026 | 41 | Ver |
| 4 abr 2026 | Logdahl, Harald 2193 | Madebrink, Lars 2080 | 1-0 | B01 Defensa Escandinava: Gubinsky-Melts Defense | The Paskturneringen 2026 | 49 | Ver |
| 7 feb 2026 | Troberg Eskola, Love 2083 | Logdahl, Harald 2206 | 1-0 | B03 Defensa Alekhine: Exchange Variation, Voronezh Variation | Elite Hotels Open 2026 | 67 | Ver |
| 8 dic 2025 | Ostlund, Joar 2332 | Logdahl, Harald 2224 | ½-½ | B05 Defensa Alekhine: Modern Variation, Flohr Variation | Lag DM 2025/2026 | 58 | Ver |
| 10 nov 2025 | Lokander, Martin 2440 | Logdahl, Harald 2210 | 1-0 | D07 Gambito de Dama rehusado: Chigorin Defense | Lag DM 2025/2026 | 37 | Ver |
| 2 nov 2025 | Hogeman, Joel 2152 | Logdahl, Harald 2210 | 1-0 | B05 Defensa Alekhine: Modern Variation, Flohr Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 42 | Ver |
| 2 nov 2025 | Logdahl, Harald 2210 | Carlstrom, Niklas 2049 | 1-0 | C48 Apertura de los Cuatro Caballos: Spanish Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 56 | Ver |
| 1 nov 2025 | Ollen, Martin 2145 | Logdahl, Harald 2210 | 1-0 | B03 Defensa Alekhine: Exchange Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 42 | Ver |
| 1 nov 2025 | Logdahl, Harald 2210 | Dingertz, Erik 2093 | 1-0 | C26 Apertura Vienesa: Mieses Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 42 | Ver |
| 31 oct 2025 | Sivuk, Vitaly 2501 | Logdahl, Harald 2210 | 1-0 | A80 Defensa Holandesa | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 31 | Ver |
| 31 oct 2025 | Logdahl, Harald 2212 | Dingertz, Filip 2071 | 1-0 | C48 Apertura de los Cuatro Caballos: Spanish Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 38 | Ver |
| 31 oct 2025 | Narva, David 2019 | Logdahl, Harald 2212 | 0-1 | B05 Defensa Alekhine: Modern Variation, Flohr Variation | Stockholm Grand Prix 2025 | Stockholm Grand Prix 2025 | 53 | Ver |
| 13 oct 2025 | Logdahl, Harald 2212 | Crevatin, Leo 2273 | ½-½ | B12 Defensa Caro-Kann: Maróczy Variation | Lag DM 2025/2026 | 16 | Ver |