| 9 ago 2026 | Koellner, Ruben Gideon 2531 | Werthebach, Felix 2202 | 1-0 | A45 Ataque Trompowsky: Poisoned Pawn Variation | 16. Nordhäuser Open | 70 | Ver |
| 8 ago 2026 | Ahmed, Daniel 2111 | Werthebach, Felix 2202 | ½-½ | D90 Defensa Grünfeld: Three Knights Variation | 16. Nordhäuser Open | 44 | Ver |
| 8 ago 2026 | Werthebach, Felix 2202 | Tomasjan, Samuel 2082 | 1-0 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | 16. Nordhäuser Open | 61 | Ver |
| 6 ago 2026 | Hischemoeller, Dieter 2060 | Werthebach, Felix 2202 | 0-1 | A48 East Indian Defense | 16. Nordhäuser Open | 41 | Ver |
| 2 ago 2026 | Peng, Li Min 2553 | Werthebach, Felix 2202 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | 16. Nordhäuser Open | 23 | Ver |
| 3 abr 2026 | Begmuratov, Khumoyun 2489 | Werthebach, Felix 2219 | 1-0 | B22 Defensa Siciliana: Alapin Variation | Grenke Chess Festival 2026 Open | 26 | Ver |
| 23 sep 2025 | Werthebach, Felix 2262 | Colbow, Collin 2433 | 0-1 | A29 Apertura Inglesa: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | SixDays Three Years GM-A | 40 | Ver |
| 22 sep 2025 | Nagy, Gabor 2462 | Werthebach, Felix 2262 | 1-0 | A16 Apertura Inglesa: Anglo-Indian Defense, Queen's Knight Variation | SixDays Three Years GM-A | 56 | Ver |
| 22 sep 2025 | Werthebach, Felix 2262 | Girel, Joseph 2501 | 0-1 | A14 Apertura Inglesa: Agincourt Defense, Neo-Catalan Declined | SixDays Three Years GM-A | 39 | Ver |
| 20 sep 2025 | Werthebach, Felix 2262 | Tan, Jun Ying 2413 | 0-1 | A36 Apertura Inglesa: Symmetrical Variation, Ultra-Symmetrical Variation | SixDays Three Years GM-A | 41 | Ver |
| 20 sep 2025 | Ramoutar, Alan-Safar 2313 | Werthebach, Felix 2262 | 1-0 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | SixDays Three Years GM-A | 40 | Ver |
| 19 sep 2025 | Werthebach, Felix 2262 | Goh, Zi Han 2266 | 0-1 | A26 Apertura Inglesa: King's English Variation, Closed System, Full Symmetry | SixDays Three Years GM-A | 54 | Ver |
| 18 sep 2025 | Kovchan, Alexander 2455 | Werthebach, Felix 2262 | 1-0 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | SixDays Three Years GM-A | 41 | Ver |
| 18 sep 2025 | Vagman, Roy 2387 | Werthebach, Felix 2262 | 1-0 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | SixDays Three Years GM-A | 114 | Ver |