| May 17, 2026 | Moeller | 0–1 | Christiansen | Runde 7: Moeller, Rainer - Christiansen, Henning | Pirc Defense: Classical Variation | |
| May 16, 2026 | Christiansen | 1–0 | Ruddat | Runde 6: Christiansen, Henning - Ruddat, Maila | Queen's Pawn Game: Symmetrical Variation | |
| May 16, 2026 | Schartl | 1–0 | Christiansen | Runde 5: Schartl, Richard - Christiansen, Henning | Pirc Defense | |
| May 15, 2026 | Christiansen | 0–1 | Schimmer | Runde 4: Christiansen, Henning - Schimmer, Jens | Zukertort Opening: Queen's Gambit Invitation | |
| May 15, 2026 | Tran | 1–0 | Christiansen | Runde 3: Tran, Minh Dat - Christiansen, Henning | English Opening | |
| May 14, 2026 | Christiansen | 1–0 | Bredereck | Runde 2: Christiansen, Henning - Bredereck, David | Queen's Pawn Game: Symmetrical Variation | |
| May 14, 2026 | Henke | 1–0 | Christiansen | Round 1: Henke, Jaron - Christiansen, Henning | Pirc Defense: Classical Variation | |
| Jun 1, 2025 | Hoffmann | ½–½ | Christiansen | Round 7: Hoffmann, Sabine - Christiansen, Henning | English Opening | |
| May 31, 2025 | Christiansen | ½–½ | Tatar | Round 6: Christiansen, Henning - Tatar, Anna | Queen's Pawn Game: Symmetrical Variation | |
| May 31, 2025 | Lebiedz | 1–0 | Christiansen | Round 5: Lebiedz, Oliver - Christiansen, Henning | Pirc Defense: 150 Attack | |
| May 30, 2025 | Christiansen | 1–0 | Yurchenko | Round 4: Christiansen, Henning - Yurchenko, Anton | Zukertort Opening: Dutch Variation | |
| May 30, 2025 | Moysich | 1–0 | Christiansen | Round 3: Moysich, Dirk - Christiansen, Henning | English Opening | |
| May 29, 2025 | Christiansen | 1–0 | Viere | Round 2: Christiansen, Henning - Viere, Tim | Zukertort Opening: Black Mustang Defense | |
| May 29, 2025 | Martin | 1–0 | Christiansen | Round 1: Martin, Dennis - Christiansen, Henning | English Defense | |
| Apr 16, 2025 | Yueksel | 0–1 | Christiansen | Runde 9: Yueksel, Anja - Christiansen, Henning | Pirc Defense: Roscher Gambit | |
| Apr 16, 2025 | Christiansen | 1–0 | Rajesh | Runde 8: Christiansen, Henning - Rajesh, Avaneesh | Queen's Pawn Game: Colle System | |
| Apr 16, 2025 | Egert | 1–0 | Christiansen | Runde 7: Egert, Niilo - Christiansen, Henning | Indian Defense: Wade-Tartakower Defense | |
| Apr 16, 2025 | Christiansen | 0–1 | Solar | Runde 6: Christiansen, Henning - Solar, Mavi | Queen's Pawn Game: Chigorin Variation | |
| Apr 16, 2025 | Junge | ½–½ | Christiansen | Runde 5: Junge, Julia Marie - Christiansen, Henning | Pirc Defense: Classical Variation | |
| Apr 16, 2025 | Christiansen | ½–½ | Christiansen | Runde 4: Christiansen, Henning - Christiansen, Lea-Maileen | Queen's Pawn Game: Chigorin Variation | |
| Apr 16, 2025 | Jonas Kreutzberger | 0–1 | Christiansen | Runde 3: Jonas Kreutzberger - Christiansen, Henning | Pirc Defense: Classical Variation | |
| Apr 16, 2025 | Christiansen | 0–1 | Erik Fiete Meinke | Runde 2: Christiansen, Henning - Erik Fiete Meinke | Queen's Pawn Game: Colle System | |
| Apr 16, 2025 | Hellenbroich | 0–1 | Christiansen | Runde 1: Hellenbroich, Alfred - Christiansen, Henning | Pirc Defense: Classical Variation | |
| May 12, 2024 | Christiansen | ½–½ | Busch | 3. Itzehoer Schach Open | Queen's Pawn Game: Colle System | |
| May 11, 2024 | Khattar | 1–0 | Christiansen | 3. Itzehoer Schach Open | Caro-Kann Defense: Exchange Variation | |
| May 11, 2024 | Christiansen | 1–0 | Toman | 3. Itzehoer Schach Open (37-58) | Queen's Pawn Game: Colle System, Anti-Colle | |
| May 10, 2024 | Escher | 1–0 | Christiansen | 3. Itzehoer Schach Open | Caro-Kann Defense: Exchange Variation | |
| May 10, 2024 | Christiansen | ½–½ | Geib | 3. Itzehoer Schach Open (37-58) | King's Indian Attack | |
| May 9, 2024 | Peschke | 1–0 | Christiansen | 3. Itzehoer Schach Open | Rubinstein Opening: Semi-Slav Defense | |
| May 9, 2024 | Christiansen | 1–0 | Farouk | 3. Itzehoer Schach Open (37-58) | Queen's Pawn Game: Chigorin Variation | |
