| Jun 27, 2026 | Sobolev | 0–1 | Oishik Mondal | Round 11: Sobolev, Lev Yu. - Oishik Mondal | Sicilian Defense: Moscow Variation | |
| Jun 26, 2026 | Mulay | 0–1 | Sobolev | Round 10: Mulay, Vivan Prakash - Sobolev, Lev Yu. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 25, 2026 | Sobolev | ½–½ | Orman | Round 9: Sobolev, Lev Yu. - Orman, Attila | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jun 24, 2026 | Zajadlak | ½–½ | Sobolev | Round 8: Zajadlak, Milosz - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation | |
| Jun 23, 2026 | Sobolev | 1–0 | Manyeki Nathaniel | FIDE World Cadets Cup, O12 | Sicilian Defense: French Variation | |
| Jun 21, 2026 | Sander | ½–½ | Sobolev | Round 6: Sander, Tino - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 20, 2026 | Sobolev | 1–0 | Cohen | Round 5: Sobolev, Lev Yu. - Cohen, Israel | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jun 19, 2026 | Melkonyan | 1–0 | Sobolev | Round 4: Melkonyan, Davit - Sobolev, Lev Yu. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 18, 2026 | Sobolev | ½–½ | Scrimieri | Round 3: Sobolev, Lev Yu. - Scrimieri, Gabriele | Ruy Lopez: Berlin Defense, Improved Steinitz Defense | |
| Jun 17, 2026 | Abhinav Anand | 1–0 | Sobolev | Round 2: Abhinav Anand - Sobolev, Lev Yu. | Slav Defense: Modern Line | |
| Jun 16, 2026 | Sobolev | 1–0 | Demirtas | Round 1: Sobolev, Lev Yu. - Demirtas, Eymen | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Apr 20, 2026 | Sobolev | 0–1 | Kaminskii | Round 9: Sobolev, Lev Yu. - Kaminskii, Daniil | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Apr 20, 2026 | Anetov | 1–0 | Sobolev | Round 10: Anetov, Amirzhan - Sobolev, Lev Yu. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 17, 2026 | Ivanovic | 0–1 | Sobolev | Round 11: Ivanovic, Leonid - Sobolev, Lev Yu. | King's Indian Attack: Symmetrical Defense | |
| Apr 17, 2026 | Akramov | 1–0 | Sobolev | Round 9: Akramov, Khasan - Sobolev, Lev Yu. | English Opening: King's English Variation | |
| Apr 17, 2026 | Sobolev | 1–0 | Kolosov | Round 8: Sobolev, Lev Yu. - Kolosov, Ruslan | French Defense: Exchange Variation | |
| Apr 16, 2026 | Gafurov | 0–1 | Sobolev | Round 5: Gafurov, Aidan - Sobolev, Lev Yu. | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Apr 15, 2026 | Tulegen | 1–0 | Sobolev | Round 2: Tulegen, Ramazan - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation | |
| Apr 13, 2026 | Kaminskii | 1–0 | Sobolev | Round 7: Kaminskii, Daniil - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Nov 21, 2025 | Kakavand | 1–0 | Sobolev | Round 2: Kakavand, Ramtin - Sobolev, Lev Yu. | Sicilian Defense: Smith-Morra Gambit | |
| Apr 28, 2024 | Buklaho | 0–1 | Sobolev | Round 11: Buklaho, Ignacy - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Apr 28, 2024 | Tulegen | 1–0 | Sobolev | Round 2: Tulegen, Ramazan - Sobolev, Lev Yu. | French Defense: Queen's Knight | |
| Apr 28, 2024 | Sobolev | 1–0 | Cichocki | Round 1: Sobolev, Lev Yu. - Cichocki, Aleksander | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Apr 27, 2024 | Buklaho | 1–0 | Sobolev | Round 7: Buklaho, Ignacy - Sobolev, Lev Yu. | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Apr 26, 2024 | Sobolev | 0–1 | Nakonechnyi | Round 2: Sobolev, Lev Yu. - Nakonechnyi, Oleksii | King's Indian Attack | |
| Dec 9, 2024 | Ramtin Kakavand | 1–0 | Sobolev | Round 4: Ramtin Kakavand - Sobolev, Lev Yu. | French Defense: Rubinstein Variation, Blackburne Defense | |
| Dec 3, 2024 | Ramtin Kakavand | 1–0 | Sobolev | Round 1: Ramtin Kakavand - Sobolev, Lev Yu. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |