| — | Rosner | ½–½ | Lye | new tournament description | Sicilian Defense: Closed, Traditional | |
| Apr 4, 2026 | Vachier-Lagrave | 1–0 | Rosner | Round 5: Vachier-Lagrave, Maxime - Rosner, Jonas | ? | |
| Apr 4, 2026 | Rosner | 1–0 | Huschenbeth | Round 4: Rosner, Jonas - Huschenbeth, Niclas | ? | |
| Apr 3, 2026 | Kearns | 0–1 | Rosner | Round 3: Kearns, Christopher - Rosner, Jonas | ? | |
| Apr 3, 2026 | Rosner | ½–½ | Dominguez Perez | Round 2: Rosner, Jonas - Dominguez Perez, Leinier | ? | |
| Oct 25, 2025 | Pultinevicius | 1–0 | Rosner | Round 7: Pultinevicius, Paulius - Rosner, Jonas | English Opening: Caro-Kann Defensive System | |
| Oct 24, 2025 | Gorshtein | 1–0 | Rosner | Round 6: Gorshtein, Ido - Rosner, Jonas | English Opening: Caro-Kann Defensive System | |
| Oct 23, 2025 | Rosner | 1–0 | Zakin | Round 5: Rosner, Jonas - Zakin, Ilay | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Oct 22, 2025 | Rosner | 1–0 | Sjodahl | Round 4: Rosner, Jonas - Sjodahl, Pontus | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 21, 2025 | Vidit | ½–½ | Rosner | Round 3: Vidit, Santosh Gujrathi - Rosner, Jonas | Caro-Kann Defense: Exchange Variation | |
| Oct 20, 2025 | Rosner | 1–0 | Sylvan | Round 2: Rosner, Jonas - Sylvan, Jacob | Sicilian Defense: Kan Variation, Wing Attack | |
| Oct 19, 2025 | Rosner | 1–0 | Federic | Round 1: Rosner, Jonas - Federic, Jozef | Sicilian Defense: Kan Variation, Wing Attack | |
| May 24, 2025 | Rosner | ½–½ | Langheinrich | Round 29: Rosner, Jonas - Langheinrich, Ferenc | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Chassard | ½–½ | Rosner | Round 27: Chassard, Cedric - Rosner, Jonas | Sicilian Defense: French Variation | |
| May 24, 2025 | Barzen | 1–0 | Rosner | Round 25: Barzen, Pascal - Rosner, Jonas | Pirc Defense: Classical Variation, Quiet System | |
| May 24, 2025 | Rosner | 0–1 | Schneider | Round 26: Rosner, Jonas - Schneider, Ilja | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Rosner | 1–0 | Richter | Round 24: Rosner, Jonas - Richter, Christian | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| May 24, 2025 | Svane | 1–0 | Rosner | Round 23: Svane, Frederik - Rosner, Jonas | Sicilian Defense: French Variation | |
| May 24, 2025 | Rosner | 1–0 | Frischmann | Round 22: Rosner, Jonas - Frischmann, Rick | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 24, 2025 | Reichmann | 1–0 | Rosner | Round 21: Reichmann, Hendrik - Rosner, Jonas | Queen's Pawn Game: Accelerated London System | |
| May 24, 2025 | Rosner | 1–0 | Atoyan | Round 20: Rosner, Jonas - Atoyan, Alberto | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 24, 2025 | Nothnagel | 1–0 | Rosner | Round 19: Nothnagel, Marian Can - Rosner, Jonas | Sicilian Defense: French Variation | |
| May 24, 2025 | Rosner | 1–0 | Berchtenbreiter | Round 18: Rosner, Jonas - Berchtenbreiter, Maximilian | English Opening | |
| May 24, 2025 | Stein | 1–0 | Rosner | Round 17: Stein, Robert - Rosner, Jonas | Zukertort Opening | |
| May 24, 2025 | Rosner | 1–0 | Gloeckler | Round 16: Rosner, Jonas - Gloeckler, Christian | English Opening: Symmetrical Variation, Four Knights Variation | |
| May 24, 2025 | Zuferi | 0–1 | Rosner | Round 15: Zuferi, Enis - Rosner, Jonas | Queen's Gambit Declined: Exchange Variation | |
| May 24, 2025 | Rosner | 1–0 | Stricker | Round 14: Rosner, Jonas - Stricker, Florian | Zukertort Opening | |
| May 24, 2025 | Arndt | ½–½ | Rosner | Round 13: Arndt, Magnus - Rosner, Jonas | Catalan Opening: Closed Variation, Traditional Variation | |
| May 24, 2025 | Rosner | 1–0 | Zwahr | Round 12: Rosner, Jonas - Zwahr, Paul | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| May 24, 2025 | Joeres | 0–1 | Rosner | Round 11: Joeres, Stefan - Rosner, Jonas | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| May 24, 2025 | Rosner | 0–1 | Bluebaum | Round 10: Rosner, Jonas - Bluebaum, Matthias | English Opening: Agincourt Defense | |
| May 24, 2025 | Deuer | 1–0 | Rosner | Round 9: Deuer, Marius - Rosner, Jonas | Queen's Pawn Game: Colle System | |
| May 24, 2025 | Rosner | 0–1 | Donchenko | Round 8: Rosner, Jonas - Donchenko, Alexander | King's Indian Defense: Normal Variation, King's Knight Variation | |
| May 24, 2025 | Moeller | 1–0 | Rosner | Round 7: Moeller, Maurin - Rosner, Jonas | Sicilian Defense: Delayed Alapin Variation | |
| May 24, 2025 | Rosner | 1–0 | Yelisieiev | Round 6: Rosner, Jonas - Yelisieiev, Yevhenii | Old Indian Defense: Two Knights Variation | |
| May 24, 2025 | Eichenauer | 0–1 | Rosner | Round 5: Eichenauer, Pascal - Rosner, Jonas | Queen's Gambit Declined: Exchange Variation | |
| May 24, 2025 | Rosner | ½–½ | Kopylov | Round 4: Rosner, Jonas - Kopylov, Michael | King's Indian Defense: Normal Variation, King's Knight Variation | |
| May 24, 2025 | Knuedel | 1–0 | Rosner | Round 3: Knuedel, Torben - Rosner, Jonas | Sicilian Defense: Kan Variation, Wing Attack | |
| May 24, 2025 | Rosner | 0–1 | Svane | Round 2: Rosner, Jonas - Svane, Rasmus | Caro-Kann Defense: Advance Variation | |
| May 24, 2025 | Schneider | ½–½ | Rosner | Round 1: Schneider, Bernd - Rosner, Jonas | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| May 23, 2025 | Holinka | 1–0 | Rosner | Round 28: Holinka, Henning - Rosner, Jonas | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Apr 20, 2025 | Rosner | 0–1 | Grischuk | Freestyle Chess Open A | ? | |
| Apr 20, 2025 | Scholz | 0–1 | Rosner | Freestyle Chess Open A | ? | |
| Apr 19, 2025 | Rosner | 1–0 | Brandt | Freestyle Chess Open A | ? | |
| Apr 19, 2025 | Kumala | 1–0 | Rosner | Freestyle Chess Open A | ? | |
| Apr 18, 2025 | Rosner | 1–0 | Gramb | Round 3: Rosner, Jonas - Gramb, Marius | ? | |
| Apr 18, 2025 | Sindarov | 1–0 | Rosner | Round 2: Sindarov, Javokhir - Rosner, Jonas | ? | |
| Apr 5, 2025 | Bauer | ½–½ | Rosner | Round 10: Bauer, Sebastian - Rosner, Jonas | Caro-Kann Defense: Exchange Variation | |
| Apr 4, 2025 | Rosner | ½–½ | Janzelj | Round 8: Rosner, Jonas - Janzelj, Tim | Zukertort Opening: Dutch Variation | |
| Apr 4, 2025 | Rosner | ½–½ | Stalmach | Round 9: Rosner, Jonas - Stalmach, Richard | Catalan Opening: Open Defense, Classical Line | |
| Apr 3, 2025 | Rosner | 0–1 | Peyrer | Round 7: Rosner, Jonas - Peyrer, Konstantin | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 2, 2025 | Rodshtein | ½–½ | Rosner | Round 6: Rodshtein, Maxim - Rosner, Jonas | King's Indian Attack: Double Fianchetto | |
| Oct 24, 2024 | Birkisson | 0–1 | Rosner | 39th European Chess Club Cup | Caro-Kann Defense: Endgame Offer | |
| Oct 22, 2024 | Serarols Mabras | 0–1 | Rosner | 39th European Chess Club Cup | Slav Defense: Exchange Variation | |
| Oct 21, 2024 | Rosner | ½–½ | Ribstein | 39th European Chess Club Cup | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Oct 20, 2024 | Willson | 0–1 | Rosner | 39th European Chess Club Cup | Slav Defense: Exchange Variation | |
| Oct 13, 2024 | Vitouch | ½–½ | Rosner | Round 5: Vitouch, Anatol - Rosner, Jonas | Slav Defense: Exchange Variation | |
| Aug 24, 2024 | Schmider | 0–1 | Rosner | Round 8: Schmider, Niklas - Rosner, Jonas | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Aug 23, 2024 | Rosner | ½–½ | Kuegel | Round 7: Rosner, Jonas - Kuegel, Tobias | Catalan Opening: Open Defense, Classical Line | |
| Aug 22, 2024 | Grossmann | 0–1 | Rosner | Round 6: Grossmann, Piet - Rosner, Jonas | Queen's Gambit Declined: Normal Defense | |
| Aug 22, 2024 | Rosner | 1–0 | Yasmo | Round 5: Rosner, Jonas - Yasmo, Daniil | Queen's Gambit Declined | |
| Aug 21, 2024 | Heinrich | ½–½ | Rosner | Round 4: Heinrich, John - Rosner, Jonas | English Opening: Caro-Kann Defensive System | |
| Aug 20, 2024 | Rosner | 0–1 | Lagunow | Round 3: Rosner, Jonas - Lagunow, Raphael | Slav Defense: Quiet Variation, Schallopp Defense | |
| Aug 20, 2024 | Chassard | ½–½ | Rosner | Round 2: Chassard, Cedric - Rosner, Jonas | Caro-Kann Defense: Advance Variation, Short Variation | |
| Aug 19, 2024 | Rosner | 1–0 | Bosselmann | Round 1: Rosner, Jonas - Bosselmann, Tom Linus | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| Aug 16, 2024 | Rosner | ½–½ | Dobrikov | Round 9: Rosner, Jonas - Dobrikov, Marco | Slav Defense: Quiet Variation, Schallopp Defense | |
| Apr 1, 2024 | Frank | ½–½ | Rosner | Grenke Chess Open 2024 | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Mar 30, 2024 | Niemann | 1–0 | Rosner | GRENKE Chess Open | Caro-Kann Defense: Advance Variation, Short Variation | |
| Mar 29, 2024 | Rosner | 1–0 | Janeczko | Grenke Chess Open 2024 | English Opening: Symmetrical Variation, Four Knights Variation | |
| Oct 25, 2024 | Rosner | ½–½ | Kraus | Round 6: Rosner, Jonas - Kraus, Tomas | Queen's Gambit Declined | |
| Oct 23, 2024 | Rosner | 0–1 | Ahmadzada | Round 4: Rosner, Jonas - Ahmadzada, Ahmad | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 12, 2024 | Solodovnichenko | 1–0 | Rosner | Round 4: Solodovnichenko, Yuri - Rosner, Jonas | Caro-Kann Defense: Exchange Variation | |
| Oct 11, 2024 | Rosner | 1–0 | Vogel | Round 3: Rosner, Jonas - Vogel, Roven | Catalan Opening: Closed | |
| Oct 10, 2024 | Petrov | 1–0 | Rosner | Round 2: Petrov, Nikita - Rosner, Jonas | Semi-Slav Defense: Normal Variation | |
| Aug 24, 2022 | Rosner | ½–½ | Koelle | masters | Queen's Pawn Game: Symmetrical Variation | |
| Aug 23, 2022 | Rosner | * | Koelle | masters | English Opening: Four Knights System, Nimzowitsch Variation | |
| Aug 22, 2022 | Svane | 1–0 | Rosner | masters | Caro-Kann Defense: Tartakower Variation | |
| Aug 21, 2022 | Rosner | ½–½ | Huschenbeth | Deutsche Meiterschaften 2022 | Catalan Opening: Open Defense | |
| Aug 20, 2022 | Braun | 1–0 | Rosner | Deutsche Meiterschaften 2022 | Slav Defense: Quiet Variation, Schallopp Defense | |
| Aug 19, 2022 | Braun | * | Rosner | Deutsche Meiterschaften 2022 | Semi-Slav Defense | |
| Aug 18, 2022 | Kollars | 1–0 | Rosner | Deutsche Meiterschaften 2022 | Slav Defense: Czech Variation, Krause Attack | |
| Aug 17, 2022 | Rosner | 0–1 | Fridman | Deutsche Meiterschaften 2022 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 16, 2022 | Engel | 1–0 | Rosner | Deutsche Meiterschaften 2022 | Caro-Kann Defense: Advance Variation | |
| Nov 7, 2021 | Rosner | ½–½ | Seifert | 24th Open Bavarian Championship | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Nov 6, 2021 | Gumularz | 1–0 | Rosner | 24th Open Bavarian Championship | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 5, 2021 | Rosner | 1–0 | Raupp | 24th Open Bavarian Championship | English Opening: Agincourt Defense | |
| Nov 4, 2021 | Baum | ½–½ | Rosner | 24th Open Bavarian Championship | Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation | |
| Nov 3, 2021 | Rosner | 1–0 | Richter | 24th Open Bavarian Championship | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Nov 2, 2021 | Mastrovasilis | 1–0 | Rosner | 24th Open Bavarian Championship | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Nov 1, 2021 | Rosner | 1–0 | Welling | 24th Open Bavarian Championship | Old Indian Defense: Two Knights Variation | |
| Oct 31, 2021 | Lederle | 0–1 | Rosner | 24th Open Bavarian Championship | Caro-Kann Defense: Maróczy Variation | |
| Oct 30, 2021 | Rosner | 1–0 | Wenner | 24th Open Bavarian Championship | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jul 31, 2021 | Krassowizkij | 0–1 | Rosner | German Championship | Caro-Kann Defense: Exchange Variation | |
| Jul 30, 2021 | Rosner | ½–½ | Feuerstack | German Championship | Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line | |
| Jul 29, 2021 | Rosner | 1–0 | Ehmann | German Championship | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Jul 29, 2021 | Stork | 0–1 | Rosner | German Championship | Caro-Kann Defense: Two Knights Attack | |
| Jul 28, 2021 | Rosner | 0–1 | Svane | German Championship | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 27, 2021 | Rosner | 1–0 | Pajeken | German Championship | English Opening: Agincourt Defense | |
| Jul 27, 2021 | Fromm | ½–½ | Rosner | German Championship | Caro-Kann Defense: Exchange Variation | |
| Jul 26, 2021 | Dobrikov | 0–1 | Rosner | German Championship | Caro-Kann Defense: Two Knights Attack | |