| Jul 19, 2026 | Bucher | 0–1 | Jehnichen | Round 13: Bucher, Dominic - Jehnichen, Kai | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jul 19, 2026 | Jehnichen | 1–0 | Filimonov | Round 12: Jehnichen, Kai - Filimonov, Arsenii | Sicilian Defense: Kan Variation, Modern Variation | |
| Jul 19, 2026 | Trubini | 1–0 | Jehnichen | Round 11: Trubini, Timon - Jehnichen, Kai | Sicilian Defense: Godiva Variation | |
| Jul 19, 2026 | Jehnichen | ½–½ | Gireada | Round 10: Jehnichen, Kai - Gireada, Lucas | King's Indian Attack: Symmetrical Defense | |
| Jul 19, 2026 | Tcheau | 0–1 | Jehnichen | Round 9: Tcheau, Alain - Jehnichen, Kai | Clemenz Opening | |
| Jul 19, 2026 | Jehnichen | 0–1 | Omar | Round 8: Jehnichen, Kai - Omar, Noaman | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Retreat Line | |
| Jul 19, 2026 | Turba | 0–1 | Jehnichen | Round 7: Turba, Timur - Jehnichen, Kai | Modern Defense: Standard Defense | |
| Jul 19, 2026 | Jehnichen | 1–0 | Boner | Round 6: Jehnichen, Kai - Boner, Timm | Caro-Kann Defense: Exchange Variation | |
| Jul 19, 2026 | Bujes | 1–0 | Jehnichen | Round 5: Bujes, Aurelien - Jehnichen, Kai | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 19, 2026 | Jehnichen | 0–1 | Matsumura | Round 4: Jehnichen, Kai - Matsumura, Cocoro | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jul 19, 2026 | Chu | 0–1 | Jehnichen | Round 3: Chu, Wa Ching David - Jehnichen, Kai | Pterodactyl Defense: Queen Pterodactyl, Quiet Line | |
| Jul 19, 2026 | Jehnichen | 0–1 | Ling | Round 2: Jehnichen, Kai - Ling, Chenxuan | King's Indian Attack: Wahls Defense | |
| Jul 12, 2026 | Jehnichen | 0–1 | Harish | Round 9: Jehnichen, Kai - Harish, Neeraj | Center Game: Paulsen Attack Variation | |
| Jul 12, 2026 | Gheorghiu | 0–1 | Jehnichen | Round 8: Gheorghiu, Harry - Jehnichen, Kai | Bishop's Opening: Vienna Hybrid | |
| Jul 12, 2026 | Jehnichen | 1–0 | Schmied | Round 7: Jehnichen, Kai - Schmied, Stefan | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 12, 2026 | Frey | 1–0 | Jehnichen | Round 6: Frey,Fabian - Jehnichen, Kai | Dutch Defense: Staunton Gambit, Lasker Variation | |
| Jul 12, 2026 | Jehnichen | 1–0 | Chu | Round 5: Jehnichen, Kai - Chu, Wa Ching David | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Jul 12, 2026 | Gautier | 1–0 | Jehnichen | Round 4: Gautier, Anand - Jehnichen, Kai | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 12, 2026 | Jehnichen | 0–1 | Dong | Round 3: Jehnichen, Kai - Dong, Hongfu | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 12, 2026 | Filipovic | 0–1 | Jehnichen | Round 2: Filipovic, Branko - Jehnichen, Kai | Queen's Pawn Game: London System | |
| Jun 13, 2026 | Jehnichen | 0–1 | Mammadov | 38th International Chess Tournament Open Pula 2026 | French Defense: King's Indian Attack | |
| Jul 20, 2025 | Moorhead Dimancesco | 0–1 | Jehnichen | Biel Chess Festival 2025 Blitz | Benoni Defense: Benoni Gambit Accepted | |
| Jul 20, 2025 | Jehnichen | 0–1 | Stefan | Biel Chess Festival 2025 Blitz | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jul 20, 2025 | Aryan Goyal | 1–0 | Jehnichen | Biel Chess Festival 2025 Blitz | Benoni Defense: Old Benoni | |
| Jul 20, 2025 | Jehnichen | 1–0 | Avilova | Biel Chess Festival 2025 Blitz | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jul 20, 2025 | Jehnichen | 1–0 | He | Biel Chess Festival 2025 Blitz | French Defense: St. George Defense | |
| Jul 20, 2025 | Osipov | 1–0 | Jehnichen | Biel Chess Festival 2025 Blitz | Benoni Defense: Old Benoni | |
| Jul 20, 2025 | Yu | ½–½ | Jehnichen | Biel Chess Festival 2025 Blitz | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 20, 2025 | Jehnichen | 1–0 | Alberti | Biel Chess Festival 2025 Blitz | French Defense: Marshall Gambit | |
| Jul 20, 2025 | Phung | ½–½ | Jehnichen | Biel Chess Festival 2025 Blitz | Benoni Defense: Old Benoni | |
| Jul 20, 2025 | Jehnichen | 0–1 | Soo | Biel Chess Festival 2025 Blitz | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jul 20, 2025 | Tcheau | 0–1 | Jehnichen | Biel Chess Festival 2025 Blitz | English Opening: Symmetrical Variation, Two Knights Variation | |
| Jul 20, 2025 | Jehnichen | 0–1 | Adewumi | Biel Chess Festival 2025 Blitz | Italian Game: Scotch Gambit, Janowski Defense | |
| Jul 20, 2025 | Wild | 1–0 | Jehnichen | Biel Chess Festival 2025 Blitz | English Opening: Symmetrical Variation, Full Symmetry Line | |