| May 17, 2026 | Lerch | 0–1 | Erdos | Round 2: Lerch, Johannes - Erdos, Viktor | French Defense: Exchange Variation | |
| May 14, 2026 | Movsesian | 1–0 | Lerch | Round 2: Movsesian, Sergei - Lerch, Johannes | Ruy Lopez: Closed, Martinez Variation | |
| Jun 21, 2025 | Lerch | ½–½ | Blohberger | Round 11: Lerch, Johannes - Blohberger, Felix | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 21, 2025 | Lerch | 1–0 | Nolz | Round 10: Lerch, Johannes - Nolz, Tom | Caro-Kann Defense: Endgame Variation | |
| Jun 21, 2025 | Froewis | 0–1 | Lerch | Round 9: Froewis, Annika - Lerch, Johannes | Philidor Defense: Lion Variation | |
| Jun 21, 2025 | Lerch | 0–1 | Peyrer | Round 8: Lerch, Johannes - Peyrer, Konstantin | Four Knights Game: Gunsberg Variation | |
| Jun 21, 2025 | Gerold | 0–1 | Lerch | Round 7: Gerold, Alexander - Lerch, Johannes | Pirc Defense | |
| Jun 21, 2025 | Lerch | 0–1 | Froewis | Round 6: Lerch, Johannes - Froewis, Georg | French Defense: Exchange Variation | |
| Jun 21, 2025 | Natter | 0–1 | Lerch | Round 5: Natter, Markus - Lerch, Johannes | Philidor Defense: Lion Variation | |
| Jun 21, 2025 | Lerch | 1–0 | Budjav | Round 4: Lerch, Johannes - Budjav, Enkhjargal | Pirc Defense: Classical Variation | |
| Jun 21, 2025 | Horvath | 1–0 | Lerch | Round 3: Horvath, Dominik - Lerch, Johannes | Kádas Opening | |
| Jun 21, 2025 | Lerch | 1–0 | Haselsberger | Round 2: Lerch, Johannes - Haselsberger, Armin | Caro-Kann Defense: Endgame Variation | |
| Jun 21, 2025 | Flir | 0–1 | Lerch | Round 1: Flir, Emilio - Lerch, Johannes | Indian Defense: Dzindzi-Indian Defense | |
| May 31, 2025 | Alekseenko | 1–0 | Lerch | Round 2: Alekseenko, Kirill - Lerch, Johannes | Four Knights Game: Spanish Variation | |
| May 30, 2025 | Lerch | 0–1 | Quparadze | Round 2: Lerch, Johannes - Quparadze, Giga | Sicilian Defense: French Variation, Westerinen Attack | |
| May 29, 2025 | Alekseenko | 1–0 | Lerch | Round 2: Alekseenko, Kirill - Lerch, Johannes | Four Knights Game: Spanish Variation | |
| Mar 30, 2025 | Lerch | 1–0 | Hofer | Round 11: Lerch, Johannes - Hofer, Emilian | Caro-Kann Defense: Endgame Offer | |
| Mar 29, 2025 | Kozissnik | 1–0 | Lerch | Round 10: Kozissnik, Christian - Lerch, Johannes | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Mar 28, 2025 | Lerch | 1–0 | Stajner | Round 9: Lerch, Johannes - Stajner, Samo | Modern Defense | |
| Jun 1, 2024 | Lerch | ½–½ | Blaas | Round 11: Lerch, Johannes - Blaas, Hansjoerg | Sicilian Defense: Closed | |
| Jun 1, 2024 | Cafasso | ½–½ | Lerch | Round 10: Cafasso, Elia - Lerch, Johannes | Philidor Defense: Lion Variation | |
| Jun 1, 2024 | Lerch | 0–1 | Blohberger | Round 9: Lerch, Johannes - Blohberger, Felix | Zukertort Opening | |
| Jun 1, 2024 | Lerch | 1–0 | Kienboeck | Round 8: Lerch, Johannes - Kienboeck, Benjamin | Caro-Kann Defense: Endgame Variation | |
| Jun 1, 2024 | Kruckenhauser | ½–½ | Lerch | Round 7: Kruckenhauser, Arthur - Lerch, Johannes | Indian Defense: Wade-Tartakower Defense | |
| Jun 1, 2024 | Teuschler | 0–1 | Lerch | Round 6: Teuschler, Barbara - Lerch, Johannes | Philidor Defense: Lion Variation | |
| Jun 1, 2024 | Lerch | 0–1 | Schwabeneder | Round 5: Lerch, Johannes - Schwabeneder, Florian | Pirc Defense | |
| Jun 1, 2024 | Neuschmied | 0–1 | Lerch | Round 4: Neuschmied, Siegfried - Lerch, Johannes | Pirc Defense | |
| Jun 1, 2024 | Lerch | ½–½ | Zanon | Round 3: Lerch, Johannes - Zanon, Magnus | Zukertort Opening: Dutch Variation | |
| Jun 1, 2024 | Gschiel | 0–1 | Lerch | Round 2: Gschiel, Alexander - Lerch, Johannes | Old Indian Defense | |
| Jun 1, 2024 | Lerch | 1–0 | Dzelalagic | Round 1: Lerch, Johannes - Dzelalagic, Amir | Sicilian Defense: Closed | |
| May 31, 2024 | Lerch | ½–½ | Blohberger | Round 9: Lerch, Johannes - Blohberger, Felix | French Defense: Exchange Variation | |
| May 31, 2024 | Lerch | 1–0 | Schwabeneder | Round 8: Lerch, Johannes - Schwabeneder, Florian | Pirc Defense: Classical Variation | |
| May 31, 2024 | Platzgummer | 0–1 | Lerch | Round 7: Platzgummer, Fabian - Lerch, Johannes | Zukertort Opening: Kingside Fianchetto | |
| May 31, 2024 | Lerch | 0–1 | Blaas | Round 6: Lerch, Johannes - Blaas, Hansjoerg | Tarrasch Defense: Symmetrical Variation | |
| May 30, 2024 | Teuschler | 0–1 | Lerch | Round 5: Teuschler, Barbara - Lerch, Johannes | Philidor Defense: Lion Variation | |
| May 30, 2024 | Lerch | 1–0 | Gneiss | Round 4: Lerch, Johannes - Gneiss, Karl | Sicilian Defense: Closed | |
| May 30, 2024 | Schranzhofer | ½–½ | Lerch | Round 3: Schranzhofer, Marco - Lerch, Johannes | Pirc Defense | |
| May 30, 2024 | Lerch | ½–½ | Zanon | Round 2: Lerch, Johannes - Zanon, Magnus | French Defense: Tarrasch Variation, Chistyakov Defense | |
| May 30, 2024 | Karall | 0–1 | Lerch | Round 1: Karall, Lorenz - Lerch, Johannes | Nimzo-Indian Defense: Classical Variation | |
| Mar 28, 2024 | Lerch | ½–½ | Marakovits | Round 7: Lerch, Johannes - Marakovits, Nico | Pirc Defense: Austrian Attack, Dragon Formation | |
| Mar 27, 2024 | Gschiel | 1–0 | Lerch | Round 6: Gschiel, Alexander - Lerch, Johannes | Catalan Opening: Closed | |
| Mar 26, 2024 | Lerch | 1–0 | Kuti | Round 5: Lerch, Johannes - Kuti, Oliver | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Mar 26, 2024 | Miazhynski | ½–½ | Lerch | Round 4: Miazhynski, Michael - Lerch, Johannes | French Defense: Advance Variation, Euwe Variation | |
| Mar 25, 2024 | Lerch | ½–½ | Zaytsev | Round 3: Lerch, Johannes - Zaytsev, Alexander | King's Indian Attack | |
| Aug 31, 2024 | Wohlfahrt | ½–½ | Lerch | Round 9: Wohlfahrt, Herbert - Lerch, Johannes | Queen's Gambit Declined | |
| Aug 30, 2024 | Lerch | ½–½ | Platzgummer | Round 8: Lerch, Johannes - Platzgummer, Fabian | English Opening: Symmetrical Variation | |
| Aug 29, 2024 | Gut | 0–1 | Lerch | Round 7: Gut, Raphael - Lerch, Johannes | Nimzo-Indian Defense: Normal Variation | |
| Aug 28, 2024 | Lerch | ½–½ | Hengl | Round 6: Lerch, Johannes - Hengl, Philip | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Aug 27, 2024 | Pilz | ½–½ | Lerch | Round 5: Pilz, Dieter - Lerch, Johannes | Four Knights Game: Scotch Variation Accepted | |
| Aug 26, 2024 | Lerch | ½–½ | Sucher | Round 4: Lerch, Johannes - Sucher, Johannes | Sicilian Defense: Moscow Variation | |
| Aug 25, 2024 | Lerch | 0–1 | Zelcic | Round 2: Lerch, Johannes - Zelcic, Robert | Caro-Kann Defense: Endgame Offer | |
| Aug 25, 2024 | Unterweger | 0–1 | Lerch | Round 3: Unterweger, Jonas - Lerch, Johannes | Pseudo Queen's Indian Defense | |
| Jul 16, 2022 | Lerch | ½–½ | Huber | stveit | Caro-Kann Defense: Advance Variation | |
| Jul 15, 2022 | Hofstadler | * | Lerch | stveit | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Jul 13, 2022 | Lerch | 0–1 | Schwab | 41st St. Veit Jacques Lemans Open | Zukertort Opening: Slav Invitation | |
| Jul 12, 2022 | Schernthaner | ½–½ | Lerch | 41st St. Veit Jacques Lemans Open | Nimzo-Indian Defense: Classical Variation | |
| Jul 11, 2022 | Lerch | ½–½ | Feinig | 41st St. Veit Jacques Lemans Open | Zukertort Opening: Dutch Variation | |
| Jul 10, 2022 | Lerch | 1–0 | Tonel | 41. St. Veiter Jacques-Lemans-Open 2022 | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| Jul 10, 2022 | Kruckenhauser | ½–½ | Lerch | 41. St. Veiter Jacques-Lemans-Open 2022 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 9, 2022 | Enne | 0–1 | Lerch | 41. St. Veiter Jacques-Lemans-Open 2022 | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| Mar 23, 2022 | Lerch | 0–1 | Nestorovic | Millennium-Meisterturnier | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 23, 2022 | Lerch | 1–0 | Lohvinov | Millennium-Meisterturnier | ? | |
| Mar 23, 2022 | Lerch | ½–½ | Prusikin | Millennium-Meisterturnier | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Mar 23, 2022 | Lerch | ½–½ | Hess | Millennium-Meisterturnier | Caro-Kann Defense: Two Knights Attack | |
| Mar 23, 2022 | Goldbeck | 0–1 | Lerch | Millennium-Meisterturnier | Nimzo-Indian Defense: Sämisch Variation | |
| Mar 23, 2022 | Huber | 1–0 | Lerch | Millennium-Meisterturnier | Catalan Opening: Open Defense | |
| Mar 23, 2022 | Schneider | 1–0 | Lerch | Millennium-Meisterturnier | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Mar 23, 2022 | Das | ½–½ | Lerch | Millennium-Meisterturnier | King's Indian Attack | |
| Mar 23, 2022 | Costa | ½–½ | Lerch | Millennium-Meisterturnier | Scotch Game: Schmidt Variation | |
| Oct 29, 2021 | Lerch | ½–½ | Hofstadler | BU16 | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Oct 27, 2021 | Marakovits | * | Lerch | BU16 | Slav Defense: Exchange Variation | |
| Oct 27, 2021 | Kristoferitsch | 1–0 | Lerch | BU16 | Nimzo-Indian Defense: Reshevsky Variation | |
| Oct 26, 2021 | Lerch | * | Miazhynski | BU16 | Caro-Kann Defense: Two Knights Attack | |
| Oct 25, 2021 | Lerch | 1–0 | Leitner | U16 Austrian Youth Championship | Sicilian Defense: French Variation, Westerinen Attack | |
| Oct 25, 2021 | Miazhynski | 0–1 | Lerch | BU16 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Aug 22, 2021 | Koehler | * | Lerch | Innsbruck Festival | ? | |
| Aug 22, 2021 | Koehler | * | Lerch | Innsbruck Festival | ? | |
| — | Lerch | 1–0 | Wagner | Round 2: Lerch, Johannes - Wagner, Sebastian | French Defense: Tarrasch Variation | |
| — | Lerch | ½–½ | Kruckenhauser | Round 3: Lerch, Johannes - Kruckenhauser, Arthur | Sicilian Defense: Moscow Variation, Main Line | |
| — | Lerch | ½–½ | Kienboeck | Round 6: Lerch, Johannes - Kienboeck, Benjamin | Caro-Kann Defense: Endgame Variation | |
| — | Lerch | 1–0 | Beisteiner | Round 8: Lerch, Johannes - Beisteiner, Joachim | Caro-Kann Defense: Endgame Variation | |
| — | Akhvlediani | 1–0 | Lerch | Round 3: Akhvlediani, Irakli - Lerch, Johannes | King's Indian Attack | |
| — | Ampferer | 0–1 | Lerch | Round 1: Ampferer, Michael - Lerch, Johannes | Queen's Pawn Game: London System | |
| — | Simenon | ½–½ | Lerch | Round 4: Simenon, Jozef - Lerch, Johannes | Polish Opening | |
| — | Schlosser | ½–½ | Lerch | Round 5: Schlosser, Philipp - Lerch, Johannes | King's Indian Attack | |
| — | Wohlfahrt | ½–½ | Lerch | Round 7: Wohlfahrt, Herbert - Lerch, Johannes | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| — | Stanec | 1–0 | Lerch | Round 9: Stanec, Nikolaus - Lerch, Johannes | King's Indian Attack | |