| Jun 6, 2026 | Mueer | ½–½ | Stelmaszyk | Round 3: Mueer, Sebastian - Stelmaszyk, Nico | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 6, 2026 | Beer | 0–1 | Mueer | Round 2: Beer, Sebastian - Mueer, Sebastian | London System | |
| Jun 5, 2026 | Mueer | 1–0 | Thomas | Round 1: Mueer, Sebastian - Thomas, Jeremy | Grünfeld Defense: Three Knights Variation, Hungarian Attack | |
| Jun 1, 2026 | Mueer | ½–½ | Tonndorf | Round 5: Mueer, Sebastian - Tonndorf, Matthias | Nimzo-Indian Defense: Sämisch Variation | |
| Jun 1, 2026 | Bargsten | 1–0 | Mueer | Round 4: Bargsten, Justus - Mueer, Sebastian | Queen's Gambit Accepted | |
| May 25, 2026 | Koppenens | * | Mueer | Round 7: Koppenens, Oscar - Mueer, Sebastian | ? | |
| May 25, 2026 | Mueer | * | Helmer | Round 6: Mueer, Sebastian - Helmer, Jan | ? | |
| May 24, 2026 | Heldenbergh | * | Mueer | Round 5: Heldenbergh, Nils - Mueer, Sebastian | ? | |
| May 24, 2026 | Mueer | * | Becx | Round 4: Mueer, Sebastian - Becx, Cesar | ? | |
| May 23, 2026 | Eckardt | * | Mueer | Round 3: Eckardt, Joshua - Mueer, Sebastian | ? | |
| May 23, 2026 | Mueer | * | Katumwa | Round 2: Mueer, Sebastian - Katumwa, Iko | ? | |
| May 22, 2026 | Kurt | 1–0 | Mueer | Round 1: Kurt, Sascha - Mueer, Sebastian | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jan 16, 2026 | Mueer | 0–1 | Ouaki | Prague Open 2026 - A IM Open | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 14, 2026 | Mueer | ½–½ | Korniichuk | Prague Open 2026 - A IM Open | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jan 13, 2026 | Legrand | ½–½ | Mueer | Prague Open 2026 - A IM Open | King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, de Riviere Variation | |
| Jan 11, 2026 | Budil | ½–½ | Mueer | Prague Open 2026 - A IM Open | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Jan 10, 2026 | Mueer | 0–1 | Ejsymont | Prague Open 2026 - A IM Open | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 10, 2026 | Suleimanova | 0–1 | Mueer | Prague Open 2026 - A IM Open | Nimzo-Larsen Attack: Classical Variation | |
| Jan 5, 2026 | Hoellman | 0–1 | Mueer | Runde 7: Hoellman, Ludger - Mueer, Sebastian | Catalan Opening | |
| Jan 4, 2026 | Mueer | 1–0 | Lau | Runde 6: Mueer, Sebastian - Lau, Theodor | Semi-Slav Defense: Accelerated Move Order | |
| Jan 4, 2026 | Sauer | ½–½ | Mueer | Runde 5: Sauer, Tim - Mueer, Sebastian | English Opening: Agincourt Defense, Wimpy System | |
| Jan 3, 2026 | Mueer | 0–1 | von Estorff | Runde 4: Mueer, Sebastian - von Estorff, Jacob | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 3, 2026 | Bundan | 1–0 | Mueer | Runde 3: Bundan, Edward - Mueer, Sebastian | Sicilian Defense: Najdorf Variation | |
| Jan 2, 2026 | Mueer | 1–0 | Scheffner | Runde 2: Mueer, Sebastian - Scheffner, Jarno | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jan 2, 2026 | Stelmaszyk | 1–0 | Mueer | Runde 1: Stelmaszyk, Nico - Mueer, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| Dec 30, 2025 | Bundan | 1–0 | Mueer | Round 7: Bundan, Edward - Mueer, Sebastian | Sicilian Defense: Najdorf Variation, Main Line | |
| Dec 29, 2025 | Mueer | 1–0 | Tiarks | Round 6: Mueer, Sebastian - Tiarks, Jann-Christian | Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit | |
| Dec 29, 2025 | Mueer | 0–1 | Nechitaylo | Round 5: Mueer, Sebastian - Nechitaylo, Nikita | Queen's Gambit Declined: Three Knights Variation | |
| Dec 28, 2025 | Tibke | 0–1 | Mueer | Round 4: Tibke, Jonas - Mueer, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| Dec 28, 2025 | Mueer | 1–0 | Stern | Round 3: Mueer, Sebastian - Stern, Philipp | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 27, 2025 | Moewisch | 1–0 | Mueer | Round 2: Moewisch, Dave - Mueer, Sebastian | Sicilian Defense: Four Knights Variation | |
| Dec 27, 2025 | Mueer | 1–0 | Braun | Round 1: Mueer, Sebastian - Braun, Julian | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 17, 2025 | Mueer | ½–½ | Malinowsky | Round 2: Mueer, Sebastian - Malinowsky, Levi | Grünfeld Defense: Three Knights Variation, Hungarian Attack | |
| Jun 8, 2025 | Lahaye | 1–0 | Mueer | Round 4: Lahaye, Rick - Mueer, Sebastian | Hungarian Opening | |
| Jun 6, 2025 | Mueer | 0–1 | Degraeve | Round 1: Mueer, Sebastian - Degraeve, Remy | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 25, 2025 | Buchenau | 1–0 | Mueer | Round 5: Buchenau, Frank - Mueer, Sebastian | Sicilian Defense: Lasker-Dunne Attack | |
| May 25, 2025 | Mueer | 0–1 | Wusterack | Round 4: Mueer, Sebastian - Wusterack, Paul | King's Indian Defense: Petrosian Variation, Normal Defense | |
| May 24, 2025 | Mimkes | 1–0 | Mueer | Round 3: Mimkes, Antal - Mueer, Sebastian | Sicilian Defense: Moscow Variation | |
| May 23, 2025 | Daemmig | 0–1 | Mueer | Round 1: Daemmig, Matthias, Dr. - Mueer, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| May 22, 2025 | Mueer | 1–0 | Tonndorf | Round 2: Mueer, Sebastian - Tonndorf, Matthias | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 17, 2025 | Mueer | ½–½ | Karaivanova | praha2025 | Semi-Slav Defense: Main Line | |
| Jan 16, 2025 | Senthil Maran K | 1–0 | Mueer | praha2025 | Indian Defense: Tartakower Attack | |
| Jan 15, 2025 | Mueer | 1–0 | Llopis de Aysa | praha2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 14, 2025 | Filindash | ½–½ | Mueer | praha2025 | English Defense | |
| Jan 13, 2025 | Mueer | 0–1 | Lewtak | praha2025 | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 12, 2025 | Taborsky | 0–1 | Mueer | praha2025 | Catalan Opening: Open Defense | |
| Jan 11, 2025 | Mueer | ½–½ | Jiricek | praha2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 11, 2025 | Svadlenka | 0–1 | Mueer | praha2025 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jan 10, 2025 | Mueer | 1–0 | Mungal | praha2025 | Queen's Gambit Declined: Janowski Variation | |
| Jan 5, 2025 | Pubantz | 1–0 | Mueer | Round 7: Pubantz, Jan - Mueer, Sebastian | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 4, 2025 | Mueer | 1–0 | Hoeffer | Round 5: Mueer, Sebastian - Hoeffer, David | Semi-Slav Defense: Chigorin Defense | |
| Jan 4, 2025 | Mueer | 0–1 | Nechitaylo | Round 6: Mueer, Sebastian - Nechitaylo, Nikita | Nimzo-Indian Defense: Kmoch Variation | |
| Jan 3, 2025 | Lichtmannecker | 0–1 | Mueer | Round 3: Lichtmannecker, Daniel - Mueer, Sebastian | Sicilian Defense: French Variation, Normal | |
| Jan 3, 2025 | Plischki | 0–1 | Mueer | Round 4: Plischki, Sebastian - Mueer, Sebastian | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Jan 2, 2025 | Mueer | 0–1 | Voege | Round 2: Mueer, Sebastian - Voege, Tobias | English Defense | |
| Jan 2, 2025 | Stelmaszyk | ½–½ | Mueer | Round 1: Stelmaszyk, Nico - Mueer, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| Jul 21, 2024 | Neuman | 1–0 | Mueer | CZECH OPEN 2024 - A - PARDUBICE OPEN | Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation | |
| Jul 20, 2024 | Mueer | ½–½ | Kuegel | CZECH OPEN 2024 - A - PARDUBICE OPEN | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 15, 2024 | Mueer | 1–0 | Klenner | Round 1: Mueer, Sebastian - Klenner, Kai | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 15, 2024 | Mueer | 0–1 | Eschholz | Round 3: Mueer, Sebastian - Eschholz, Enno | Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line | |
| Dec 15, 2024 | Mueer | 1–0 | Kuhlins | Round 5: Mueer, Sebastian - Kuhlins, Niklas | Semi-Slav Defense: Main Line | |
| Dec 15, 2024 | Mueer | 1–0 | Meessen | Round 7: Mueer, Sebastian - Meessen, Max | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 15, 2024 | Mueer | 1–0 | Koehne | Round 9: Mueer, Sebastian - Koehne, Arno | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 15, 2024 | Wuebbenhorst | ½–½ | Mueer | Round 2: Wuebbenhorst, Oke - Mueer, Sebastian | Queen's Pawn Game: London System | |
| Dec 15, 2024 | Beeck | 0–1 | Mueer | Round 4: Beeck, Sebastian - Mueer, Sebastian | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Dec 15, 2024 | Borshchov | 1–0 | Mueer | Round 6: Borshchov, Maksym - Mueer, Sebastian | King's Indian Attack: Wahls Defense | |
| Dec 15, 2024 | Dopychai | ½–½ | Mueer | Round 8: Dopychai, Reent - Mueer, Sebastian | Mieses Opening | |
| Dec 14, 2024 | Mueer | 1–0 | Silber | Round 1: Mueer, Sebastian - Silber, Stefanie | Slav Defense | |
| Dec 14, 2024 | Mueer | ½–½ | Eyvazli | Round 3: Mueer, Sebastian - Eyvazli, Ilkin | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 14, 2024 | Mueer | 1–0 | Hermann | Round 6: Mueer, Sebastian - Hermann, Manfred | Queen's Gambit Declined: Chigorin Defense | |
| Dec 14, 2024 | Mueer | 0–1 | Schneider | Round 7: Mueer, Sebastian - Schneider, Ilja | Nimzo-Indian Defense: Kmoch Variation | |
| Dec 14, 2024 | Mueer | 1–0 | Aden | Round 10: Mueer, Sebastian - Aden, Tammo | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 14, 2024 | Mueer | 1–0 | Schuette | Round 12: Mueer, Sebastian - Schuette, Marc | Semi-Slav Defense: Chigorin Defense | |
| Dec 14, 2024 | Modder | 0–1 | Mueer | Round 2: Modder, Frank - Mueer, Sebastian | Queen's Pawn Game: Modern Defense | |
| Dec 14, 2024 | Giorgadze | ½–½ | Mueer | Round 4: Giorgadze, Giorgi - Mueer, Sebastian | Sicilian Defense: Four Knights Variation | |
| Dec 14, 2024 | Muecke | 0–1 | Mueer | Round 5: Muecke, Leonard - Mueer, Sebastian | Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation | |
| Dec 14, 2024 | Dopychai | 0–1 | Mueer | Round 8: Dopychai, Reent - Mueer, Sebastian | Mieses Opening | |
| Dec 14, 2024 | Khajei | 0–1 | Mueer | Round 9: Khajei, Sina - Mueer, Sebastian | Sicilian Defense: French Variation, Normal | |
| Dec 14, 2024 | Meessen | 0–1 | Mueer | Round 11: Meessen, Max - Mueer, Sebastian | Nimzo-Indian Defense: Rubinstein System, Hübner Variation | |
| Dec 14, 2024 | Wagner | 0–1 | Mueer | Round 13: Wagner, Jan - Mueer, Sebastian | Zukertort Opening: Nimzo-Larsen Variation | |
| Nov 17, 2024 | Mueer | ½–½ | Kampmann | Halbfinale: Mueer, Sebastian - Kampmann, Heiko | Nimzo-Larsen Attack: Classical Variation | |
| Nov 17, 2024 | Koch | ½–½ | Mueer | Finale: Koch, Yannick - Mueer, Sebastian | Nimzo-Indian Defense: Rubinstein System | |
| Nov 16, 2024 | Mueer | 1–0 | Gottwald | Viertelfinale: Mueer, Sebastian - Gottwald, Siegmar | Benko Gambit Accepted: Fully Accepted Variation | |
| Oct 28, 2023 | Mueer | 0–1 | Maris | Hoogeveen Open 2023 | Philidor Defense: Lion Variation | |
| Oct 27, 2023 | Mueer | 1–0 | Kett | Hoogeveen Open 2023 | Blumenfeld Countergambit Accepted | |
| Oct 26, 2023 | Elgersma | 1–0 | Mueer | Hoogeveen Open 2023 | Sicilian Defense: French Variation | |
| Oct 25, 2023 | Mueer | 0–1 | Van Kooten | Hoogeveen Open 2023 | Modern Defense: Standard Defense | |
| Oct 25, 2023 | Margadgua | ½–½ | Mueer | Hoogeveen Open 2023 | Sicilian Defense: Closed | |
| Oct 24, 2023 | Zecha | 0–1 | Mueer | Hoogeveen Open 2023 | Catalan Opening: Open Defense | |
| Oct 23, 2023 | Mueer | 1–0 | Nijdam | Hoogeveen Open 2023 | Grünfeld Defense: Three Knights Variation, Hungarian Attack | |
| Oct 22, 2023 | Arnold | ½–½ | Mueer | Hoogeveen Open 2023 | Sicilian Defense: Four Knights Variation | |
| Oct 21, 2023 | Mueer | 0–1 | Swati | Hoogeveen Open 2023 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jan 7, 2023 | Mueer | ½–½ | Pubantz | Lower Saxony Championship | Masters | Semi-Slav Defense: Meran Variation, Reynolds' Variation | |
| Jan 7, 2023 | Polster | ½–½ | Mueer | Lower Saxony Championship | Masters | French Defense: Schlechter Variation | |
| Jan 5, 2023 | Stelmaszyk | ½–½ | Mueer | Lower Saxony Championship | Masters | Sicilian Defense: Alapin Variation | |
| Aug 20, 2022 | Ehmann | 1–0 | Mueer | Pokal Finale | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 19, 2022 | Mueer | 1–0 | Malinowsky | Pokal Finale | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 19, 2022 | Noetzel | ½–½ | Mueer | Pokal Finale | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Aug 18, 2022 | Goergens | 0–1 | Mueer | Pokal Finale | Sicilian Defense: Closed | |
| Jul 24, 2022 | Simek | 1–0 | Mueer | open-a | Catalan Opening: Open Defense | |