| 6 abr 2026 | Roser, Kevin 2373 | Diller, Daniel 2217 | 1-0 | C88 Apertura Española (Ruy López): Closed, Anti-Marshall | Grenke Chess Festival 2026 Open | 32 | Ver |
| 5 abr 2026 | Boder, Jan 2330 | Diller, Daniel 2217 | 1-0 | C67 Apertura Española (Ruy López): Berlin Defense, Rio Gambit Accepted | Grenke Chess Festival 2026 Open | 13 | Ver |
| 5 abr 2026 | Diller, Daniel 2217 | Biastoch, Bennet 2346 | ½-½ | D02 Apertura de Peón de Dama: London System, with e6 | Grenke Chess Festival 2026 Open | 18 | Ver |
| 4 abr 2026 | Zuferi, Enis 2361 | Diller, Daniel 2217 | ½-½ | D32 Defensa Tarrasch: Symmetrical Variation | Grenke Chess Festival 2026 Open | 47 | Ver |
| 3 abr 2026 | Diller, Daniel 2217 | Schlosser, Philipp 2474 | 0-1 | D02 Apertura de Peón de Dama: London System | Grenke Chess Festival 2026 Open | 56 | Ver |