| Jun 14, 2026 | Stein | 0–1 | Herrmann | Round 4: Stein, Robert - Herrmann, Arthur | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jun 13, 2026 | Stein | ½–½ | Hoffmann | Round 2: Stein, Robert - Hoffmann, Lennard | King's Indian Attack | |
| Jun 12, 2026 | Seitz | 0–1 | Stein | Round 1: Seitz, Manuel - Stein, Robert | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Apr 6, 2026 | Kovacsy | * | Stein | Grenke Chess Festival 2026 Open | ? | |
| Apr 6, 2026 | Stein | * | Sun | Grenke Chess Festival 2026 Open | Queen's Pawn Game: Accelerated London System | |
| Apr 5, 2026 | Le Goff | 0–1 | Stein | Grenke Chess Festival 2026 Open | Indian Defense: Seirawan Attack | |
| Apr 5, 2026 | Stein | ½–½ | Ojas Kulkarni | Grenke Chess Festival 2026 Open | Catalan Opening: Closed | |
| Apr 4, 2026 | Pillard | ½–½ | Stein | Grenke Chess Festival 2026 Open | Queen's Pawn Game: London System | |
| Apr 4, 2026 | Stein | 0–1 | Costa | Grenke Chess Festival 2026 Open | King's Indian Attack: Sicilian Variation | |
| Apr 3, 2026 | Hamid | 0–1 | Stein | Grenke Chess Festival 2026 Open | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Apr 3, 2026 | Stein | 1–0 | Spyratos | Grenke Chess Festival 2026 Open | Catalan Opening: Closed | |
| Apr 2, 2026 | Thiemann | 0–1 | Stein | Grenke Chess Festival 2026 Open | Bishop's Opening: Berlin Defense | |
| Feb 20, 2026 | Silva | ½–½ | Stein | Round 9: Silva, Pedro Gil Ferreira Da - Stein, Robert | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Feb 15, 2026 | Leitgeb | 1–0 | Stein | Round 3: Leitgeb, Julian - Stein, Robert | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 2, 2026 | Stein | 0–1 | Steinhauer | 36. Staufer Open 2026 A | Zukertort Opening | |
| Nov 16, 2025 | Stein | ½–½ | Chen | Round 9: Stein, Robert - Chen, Yining | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Nov 16, 2025 | Buckels | ½–½ | Stein | Round 8: Buckels, Valentin - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 15, 2025 | Gholami Orimi | 1–0 | Stein | Round 5: Gholami Orimi, Mahdi - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 15, 2025 | Wagner | 0–1 | Stein | Round 4: Wagner, Benjamin - Stein, Robert | Italian Game: Giuoco Pianissimo, Normal | |
| Nov 14, 2025 | Alexakis | ½–½ | Stein | Round 13 & Semifinals Armageddon: Alexakis, Dimitris - Stein, Robert | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Nov 14, 2025 | Stein | 1–0 | Wachinger | Round 12 & Semifinals: Stein, Robert - Wachinger, Nikolas | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Nov 14, 2025 | Kueppers | 1–0 | Stein | Round 11 & Quarterfinals Armageddon: Kueppers, Timo - Stein, Robert | King's Indian Attack | |
| Nov 14, 2025 | Stein | 1–0 | Chen | Round 10 & Quarterfinals: Stein, Robert - Chen, Yining | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Nov 14, 2025 | Vardanyan | ½–½ | Stein | Round 9: Vardanyan, Aras - Stein, Robert | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Nov 14, 2025 | Stein | ½–½ | Henning | Round 8: Stein, Robert - Henning, Marvin | Zukertort Opening: Kingside Fianchetto | |
| Nov 14, 2025 | Dathe | 0–1 | Stein | Round 7: Dathe, Frederick - Stein, Robert | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Nov 14, 2025 | Stein | 0–1 | Vogel | Round 6: Stein, Robert - Vogel, Roven | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Nov 14, 2025 | Ermitsch | 0–1 | Stein | Round 5: Ermitsch, Magnus - Stein, Robert | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Nov 14, 2025 | Stein | 1–0 | Sieber | Round 4: Stein, Robert - Sieber, Fiona | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 31, 2025 | Stein | ½–½ | Popovic | SixDays Budapest July 2025 GM A | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 31, 2025 | Mitusov | ½–½ | Stein | SixDays Budapest July 2025 GM A | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 30, 2025 | Stein | ½–½ | Berczes | SixDays Budapest July 2025 GM A | King's Indian Attack | |
| Jul 29, 2025 | Advaitt Srikant Koduri | 0–1 | Stein | SixDays Budapest July 2025 GM A | Queen's Pawn Game: London System | |
| Jul 28, 2025 | Stein | 1–0 | Ragnarsson | SixDays Budapest July 2025 GM A | King's Indian Attack | |
| Jul 28, 2025 | Levitan | ½–½ | Stein | SixDays Budapest July 2025 GM A | Ruy Lopez: Closed, Martinez Variation | |
| Jul 27, 2025 | Stein | ½–½ | Nagy | SixDays Budapest July 2025 GM A | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Jul 22, 2025 | Stein | 1–0 | Dhananjay S | SixDays Budapest July 2025 GM A | King's Indian Attack: Double Fianchetto | |
| May 24, 2025 | Stein | 1–0 | Joeres | Round 29: Stein, Robert - Joeres, Stefan | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| May 24, 2025 | Bluebaum | ½–½ | Stein | Round 28: Bluebaum, Matthias - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| May 24, 2025 | Stein | 1–0 | Deuer | Round 27: Stein, Robert - Deuer, Marius | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| May 24, 2025 | Stein | 1–0 | Moeller | Round 25: Stein, Robert - Moeller, Maurin | Zukertort Opening | |
| May 24, 2025 | Donchenko | ½–½ | Stein | Round 26: Donchenko, Alexander - Stein, Robert | Zukertort Opening | |
| May 24, 2025 | Yelisieiev | 1–0 | Stein | Round 24: Yelisieiev, Yevhenii - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| May 24, 2025 | Stein | 1–0 | Eichenauer | Round 23: Stein, Robert - Eichenauer, Pascal | Zukertort Opening | |
| May 24, 2025 | Kopylov | ½–½ | Stein | Round 22: Kopylov, Michael - Stein, Robert | Queen's Gambit Declined | |
| May 24, 2025 | Stein | 1–0 | Knuedel | Round 21: Stein, Robert - Knuedel, Torben | English Opening: Anglo-Indian Defense, Nimzo-English | |
| May 24, 2025 | Svane | 1–0 | Stein | Round 20: Svane, Rasmus - Stein, Robert | King's Indian Attack | |
| May 24, 2025 | Stein | 0–1 | Schneider | Round 19: Stein, Robert - Schneider, Bernd | Zukertort Opening: Kingside Fianchetto | |
| May 24, 2025 | Langheinrich | ½–½ | Stein | Round 18: Langheinrich, Ferenc - Stein, Robert | Ruy Lopez: Exchange Variation, Normal Variation | |
| May 24, 2025 | Stein | 1–0 | Rosner | Round 17: Stein, Robert - Rosner, Jonas | Zukertort Opening | |
| May 24, 2025 | Chassard | ½–½ | Stein | Round 16: Chassard, Cedric - Stein, Robert | Scotch Game: Classical Variation, Intermezzo Variation | |
| May 24, 2025 | Stein | 0–1 | Schneider | Round 15: Stein, Robert - Schneider, Ilja | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Barzen | 1–0 | Stein | Round 14: Barzen, Pascal - Stein, Robert | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 24, 2025 | Stein | ½–½ | Richter | Round 13: Stein, Robert - Richter, Christian | King's Indian Defense: Kazakh Variation | |
| May 24, 2025 | Svane | 0–1 | Stein | Round 12: Svane, Frederik - Stein, Robert | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 24, 2025 | Stein | 1–0 | Frischmann | Round 11: Stein, Robert - Frischmann, Rick | Zukertort Opening | |
| May 24, 2025 | Reichmann | ½–½ | Stein | Round 10: Reichmann, Hendrik - Stein, Robert | Queen's Pawn Game: London System, with e6 | |
| May 24, 2025 | Stein | 1–0 | Atoyan | Round 9: Stein, Robert - Atoyan, Alberto | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Nothnagel | 1–0 | Stein | Round 8: Nothnagel, Marian Can - Stein, Robert | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 24, 2025 | Stein | 0–1 | Berchtenbreiter | Round 7: Stein, Robert - Berchtenbreiter, Maximilian | Zukertort Opening: Kingside Fianchetto | |
| May 24, 2025 | Gloeckler | 1–0 | Stein | Round 5: Gloeckler, Christian - Stein, Robert | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 24, 2025 | Stein | 1–0 | Zuferi | Round 4: Stein, Robert - Zuferi, Enis | Grünfeld Defense: Russian Variation, Smyslov Variation | |
| May 24, 2025 | Stricker | 0–1 | Stein | Round 3: Stricker, Florian - Stein, Robert | Four Knights Game | |
| May 24, 2025 | Stein | 1–0 | Arndt | Round 2: Stein, Robert - Arndt, Magnus | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Zwahr | 0–1 | Stein | Round 1: Zwahr, Paul - Stein, Robert | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 23, 2025 | Holinka | 0–1 | Stein | Round 6: Holinka, Henning - Stein, Robert | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 19, 2025 | Stein | ½–½ | Smirnov | SixDays Budapest May 2025 GM | Zukertort Opening | |
| May 18, 2025 | Marin Ferragut | ½–½ | Stein | SixDays Budapest May 2025 GM | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 18, 2025 | Stein | ½–½ | Md Imran | SixDays Budapest May 2025 GM | King's Indian Attack | |
| May 17, 2025 | Heinrich | 1–0 | Stein | SixDays Budapest May 2025 GM | Ruy Lopez: Exchange Variation, Normal Variation | |
| May 16, 2025 | Stein | 1–0 | Tudor | SixDays Budapest May 2025 GM | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| May 16, 2025 | Kovalev | 1–0 | Stein | SixDays Budapest May 2025 GM | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| May 15, 2025 | Stein | 0–1 | Gombocz | SixDays Budapest May 2025 GM | Zukertort Opening | |
| May 14, 2025 | Nagy | 1–0 | Stein | SixDays Budapest May 2025 GM | Catalan Opening: Closed | |
| May 12, 2025 | Plat | ½–½ | Stein | SixDays Budapest May 2025 GM | Ruy Lopez: Marshall Attack | |
| Jan 20, 2024 | Stefansson | ½–½ | Stein | Open Marianske Lazne 2024 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 19, 2024 | Stein | ½–½ | Baenziger | Open Marianske Lazne 2024 | King's Indian Attack | |
| Jan 18, 2024 | Haring | ½–½ | Stein | Open Marianske Lazne 2024 | Italian Game: Classical Variation, Greco Gambit | |
| Jan 17, 2024 | Stein | ½–½ | Haba | Open Marianske Lazne 2024 | Queen's Gambit Declined | |
| Jan 16, 2024 | Stein | 0–1 | Kusa | Open Marianske Lazne 2024 | Queen's Gambit Declined | |
| Jan 16, 2024 | Natsidis | ½–½ | Stein | Open Marianske Lazne 2024 | Queen's Gambit Declined | |
| Jan 15, 2024 | Stein | 1–0 | Pang | Open Marianske Lazne 2024 | Catalan Opening: Open Defense | |
| Jan 14, 2024 | Neuman | 1–0 | Stein | Open Marianske Lazne 2024 | Scotch Game: Classical Variation | |
| Jan 13, 2024 | Stein | 0–1 | Samani | Open Marianske Lazne 2024 | Catalan Opening: Open Defense, Classical Line | |
| Oct 25, 2024 | Papasimakopoulos | ½–½ | Stein | Round 7: Papasimakopoulos, Alexandros - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| Oct 24, 2024 | Stein | ½–½ | Alexakis | Round 6: Stein, Robert - Alexakis, Dimitris | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Oct 24, 2024 | Michalowski | 0–1 | Stein | Round 5: Michalowski, Patryk - Stein, Robert | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Oct 23, 2024 | Stein | 1–0 | Pavlidis | Round 4: Stein, Robert - Pavlidis, Anastasios | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 22, 2024 | Stein | 1–0 | Tommasini | Round 2: Stein, Robert - Tommasini, Enzo | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Oct 22, 2024 | Pavlidou | ½–½ | Stein | Round 3: Pavlidou, Ekaterini - Stein, Robert | Queen's Gambit Declined | |
| Oct 21, 2024 | Van de Walle | 0–1 | Stein | Round 1: Van de Walle, Rob - Stein, Robert | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 12, 2023 | Stein | ½–½ | Langheinrich | Deutsche Schnellschach-Einzelmeisterschaft 2023 | King's Indian Defense: Kramer Variation | |
| Nov 12, 2023 | Hess | 1–0 | Stein | Deutsche Schnellschach-Einzelmeisterschaft 2023 | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Nov 12, 2023 | Ehmann | 1–0 | Stein | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Nov 12, 2023 | Berchtenbreiter | 0–1 | Stein | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Hungarian Opening | |
| Nov 11, 2023 | Stein | 1–0 | Kleeschaetzky | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Slav Defense: Exchange Variation | |
| Nov 11, 2023 | Stein | 1–0 | Kolb | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Queen's Gambit Declined | |
| Nov 11, 2023 | Stein | 0–1 | Fridman | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Catalan Opening: Open Defense, Classical Line | |
| Nov 11, 2023 | Yelisieiev | 0–1 | Stein | Deutsche Schnellschach-Einzelmeisterschaft 2023 | Queen's Gambit Declined: Janowski Variation | |
| Aug 1, 2021 | Stein | 1–0 | Frischmann | German Blitz Championship | Réti Opening: Advance Variation | |