| Jul 4, 2026 | Zierk | 0–1 | Ivanchuk | Round 5: Zierk, Steven - Ivanchuk, Vasyl | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 4, 2026 | So | 1–0 | Zierk | Round 2: So, Wesley - Zierk, Steven | Indian Defense: Anti-Nimzo-Indian | |
| Jul 4, 2026 | Zierk | 1–0 | Ramirez Vido | Round 1: Zierk, Steven - Ramirez Vido, Robert Yorisan | Modern Defense: Lizard Defense, Mittenberger Gambit | |
| Jul 3, 2026 | Zierk | 1–0 | Ivanchuk | Round 7: Zierk, Steven - Ivanchuk, Vasyl | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 3, 2026 | Oparin | 1–0 | Zierk | Round 6: Oparin, Grigoriy - Zierk, Steven | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jul 3, 2026 | Zierk | 1–0 | Caruana | Round 5: Zierk, Steven - Caruana, Fabiano | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 3, 2026 | Zierk | ½–½ | So | Round 3: Zierk, Steven - So, Wesley | Sicilian Defense: Moscow Variation | |
| Jul 3, 2026 | Bortnyk | ½–½ | Zierk | Round 2: Bortnyk, Olexandr - Zierk, Steven | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Apr 15, 2025 | Zierk | 1–0 | Gislason | Reykjavik Open 2025 | Modern Defense: Standard Line | |
| Apr 14, 2025 | Schouten | ½–½ | Zierk | Reykjavik Open 2025 | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Apr 13, 2025 | Le Goff | 1–0 | Zierk | Reykjavik Open 2025 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 12, 2025 | Akesson | ½–½ | Zierk | Reykjavik Open 2025 | Catalan Opening: Open Defense | |
| Apr 11, 2025 | Zierk | ½–½ | Li | Reykjavik Open 2025 | Sicilian Defense: Prins Variation | |
| Apr 10, 2025 | Zierk | 1–0 | Gajcin | Reykjavik Open 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 10, 2025 | Xu | ½–½ | Zierk | Reykjavik Open 2025 | Nimzo-Indian Defense: Reshevsky Variation | |
| Apr 9, 2025 | Zierk | 1–0 | Hartung | Reykjavik Open 2025 | King's Indian Attack | |
| Oct 1, 2023 | Zierk | 0–1 | Mamedov | Rated Rapid game | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Oct 1, 2023 | Zierk | ½–½ | Delgado Ramirez | Rated Rapid game | Sicilian Defense: Prins Variation | |
| Oct 1, 2023 | Zierk | 1–0 | Badmatsyrenov | Rated Rapid game | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Oct 1, 2023 | Livaic | ½–½ | Zierk | Rated Rapid game | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Oct 1, 2023 | Maly | ½–½ | Zierk | Rated Rapid game | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Oct 1, 2023 | Sviridov | 1–0 | Zierk | Rated Rapid game | Rapport-Jobava System | |