| 16 ago 2026 | Matthes, Aaron 2314 | Schulz, Michael 2125 | 1-0 | A67 Defensa Benoni: Taimanov Variation | 22. Lichtenberger Sommer 2026 | 32 | Ver |
| 14 ago 2026 | Matthes, Aaron 2314 | Bui, Bao Anh Le 2273 | 0-1 | E74 Defensa India de Rey: Averbakh Variation, Benoni Defense, Advance Variation | 22. Lichtenberger Sommer 2026 | 26 | Ver |
| 13 ago 2026 | Noetzel, Felix 2218 | Matthes, Aaron 2314 | ½-½ | C45 Apertura Escocesa: Mieses Variation | 22. Lichtenberger Sommer 2026 | 40 | Ver |
| 12 ago 2026 | Matthes, Aaron 2314 | Thuesen, Mogens 2131 | 1-0 | D36 Gambito de Dama rehusado: Exchange Variation, Reshevsky Variation | 22. Lichtenberger Sommer 2026 | 55 | Ver |
| 11 ago 2026 | Heinig, Wolfram, Dr. 2147 | Matthes, Aaron 2314 | ½-½ | E06 Apertura Catalana: Closed | 22. Lichtenberger Sommer 2026 | 34 | Ver |
| 10 ago 2026 | Matthes, Aaron 2314 | Yildirim, Kemal 2098 | 1-0 | E49 Defensa Nimzoindia: Normal Variation, Botvinnik System | 22. Lichtenberger Sommer 2026 | 59 | Ver |
| 23 jul 2026 | Matthes, Aaron 2296 | Tiarks, Jann-Christian 2205 | ½-½ | A90 Defensa Holandesa: Stonewall Variation, Modern Variation | German Amateur Chess Championship 2026 (DSAM) | Group A | 20 | Ver |
| 6 abr 2026 | Matthes, Aaron 2233 | Ertan, Can 2358 | 1-0 | E49 Defensa Nimzoindia: Normal Variation, Botvinnik System | Grenke Chess Festival 2026 Open | 64 | Ver |
| 5 abr 2026 | Miller, Eduard 2363 | Matthes, Aaron 2233 | ½-½ | A07 Ataque Indio de Rey: Double Fianchetto | Grenke Chess Festival 2026 Open | 18 | Ver |
| 4 abr 2026 | Stork, Oliver 2369 | Matthes, Aaron 2233 | 1-0 | A30 Apertura Inglesa: Symmetrical Variation | Grenke Chess Festival 2026 Open | 26 | Ver |
| 3 abr 2026 | Matthes, Aaron 2233 | Suyarov, Mukhammadzokhid 2514 | 0-1 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | Grenke Chess Festival 2026 Open | 50 | Ver |
| 1 nov 2025 | Matthes, Aaron 2253 | Kopylov, Daniel 2422 | 0-1 | D85 Defensa Grünfeld: Exchange Variation, Modern Exchange Variation | Runde 7: Matthes, Aaron - Kopylov, Daniel | 22 | Ver |
| 31 oct 2025 | Matthes, Aaron 2247 | Linde, Wolfgang 2051 | 1-0 | E06 Apertura Catalana: Closed | Runde 3: Matthes, Aaron - Linde, Wolfgang | 39 | Ver |
| 30 oct 2025 | Giel, Olaf 2082 | Matthes, Aaron 2247 | 0-1 | D05 Apertura de Peón de Dama: Colle System, Traditional Colle | Runde 2: Giel, Olaf - Matthes, Aaron | 36 | Ver |
| 14 oct 2025 | Holtel, Jasper 2365 | Matthes, Aaron 2253 | ½-½ | A37 Apertura Inglesa: Symmetrical Variation, Three Knights, Fianchetto Variation | Runde 6: Holtel, Jasper - Matthes, Aaron | 8 | Ver |
| 14 oct 2025 | Matthes, Aaron 2253 | Schulze, Lara 2320 | ½-½ | D38 Gambito de Dama rehusado: Ragozin Defense | Runde 5: Matthes, Aaron - Schulze, Lara | 18 | Ver |
| 14 oct 2025 | Avdic, Faris 2287 | Matthes, Aaron 2247 | 0-1 | E45 Defensa Nimzoindia: St. Petersburg Variation, Fischer Variation | Runde 4: Avdic, Faris - Matthes, Aaron | 52 | Ver |