| — | Reller | ½–½ | Hansch | Grenke Open | Zukertort Opening: Nimzo-Larsen Variation | |
| — | Moeller | ½–½ | Reller | Grenke Open | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Nov 23, 2025 | Nathe | 0–1 | Reller | Round 9: Nathe, Nico - Reller, Ole | Nimzo-Indian Defense | |
| Nov 23, 2025 | Reller | 0–1 | Fieberg | Round 8: Reller, Ole - Fieberg, Samuel | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 23, 2025 | Foltin | 0–1 | Reller | Round 7: Foltin, Alica - Reller, Ole | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Nov 23, 2025 | Reller | 1–0 | Litvinov | Round 6: Reller, Ole - Litvinov, Ivan | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Nov 23, 2025 | Kolb | 1–0 | Reller | Round 5: Kolb, Tobias - Reller, Ole | Sicilian Defense: Closed | |
| Nov 23, 2025 | Reller | 1–0 | Karimov | Round 4: Reller, Ole - Karimov, Rustam | Zukertort Opening: Dutch Variation | |
| Nov 23, 2025 | Martin | 0–1 | Reller | Round 3: Martin, Tamino Sebastian - Reller, Ole | Sicilian Defense: Smith-Morra Gambit Accepted, Pin Defense | |
| Nov 23, 2025 | Reller | 0–1 | Drescher | Round 2: Reller, Ole - Drescher, Marius | Nimzo-Larsen Attack: Classical Variation | |
| Nov 23, 2025 | Bastian | 0–1 | Reller | Round 1: Bastian, Max - Reller, Ole | Sicilian Defense: Modern Variations | |
| Nov 22, 2025 | Modler | ½–½ | Reller | Round 9: Modler, Andreas, Dr. - Reller, Ole | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Nov 22, 2025 | Reller | 1–0 | Ziegenfuss | Round 8: Reller, Ole - Ziegenfuss, Antonia | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 22, 2025 | Kracht | 1–0 | Reller | Round 7: Kracht, Raphael - Reller, Ole | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Reller | 1–0 | Enekwizu | Round 6: Reller, Ole - Enekwizu, Divine | King's Indian Attack: Double Fianchetto | |
| Nov 22, 2025 | Butenandt | ½–½ | Reller | Round 5: Butenandt, Svenja - Reller, Ole | Nimzo-Indian Defense: Normal Variation | |
| Nov 22, 2025 | Reller | 1–0 | Stelte | Round 4: Reller, Ole - Stelte, Philip | Van't Kruijs Opening | |
| Nov 22, 2025 | Droesser | 0–1 | Reller | Round 3: Droesser, Paul Maria Georg - Reller, Ole | Sicilian Defense: Classical Variation | |
| Nov 22, 2025 | Reller | 0–1 | Woelk | Round 2: Reller, Ole - Woelk, Tom-Frederic | English Opening: Agincourt Defense | |
| Nov 22, 2025 | Lampe | 0–1 | Reller | Round 1: Lampe, Anna - Reller, Ole | Nimzo-Indian Defense: Three Knights Variation | |
| Oct 18, 2025 | Reller | ½–½ | Merz | Runde 9: Reller, Ole - Merz, Martin | English Opening: Anglo-Indian Defense | |
| Oct 17, 2025 | Heiligtag | 0–1 | Reller | Runde 8: Heiligtag, Matthias - Reller, Ole | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Oct 16, 2025 | Reller | 0–1 | Mazur | Runde 7: Reller, Ole - Mazur, Stefan | English Opening | |
| Oct 15, 2025 | Reller | 1–0 | Gouterney | Runde 6: Reller, Ole - Gouterney, Anton | Caro-Kann Defense: Endgame Offer | |
| Oct 14, 2025 | Mann | 1–0 | Reller | Runde 5: Mann, Gergely - Reller, Ole | French Defense: Classical Variation, Burn Variation | |
| Oct 13, 2025 | Reller | 1–0 | Schwetz | Runde 4: Reller, Ole - Schwetz, Emil Oliver | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Oct 12, 2025 | Felczer | ½–½ | Reller | Runde 3: Felczer, Kevin - Reller, Ole | French Defense: Exchange Variation | |
| Oct 12, 2025 | Reller | 1–0 | Suttner | Runde 2: Reller, Ole - Suttner, Constantin | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Oct 11, 2025 | Halas | ½–½ | Reller | Runde 1: Halas, Julia - Reller, Ole | Indian Defense: Anti-Nimzo-Indian | |
| Oct 19, 2024 | Reller | 0–1 | Feldmann | Round 9: Reller, Ole - Feldmann, Johannes | Caro-Kann Defense: Exchange Variation | |
| Oct 18, 2024 | Marcziter | ½–½ | Reller | Round 8: Marcziter, Dmitrii - Reller, Ole | Queen's Gambit Declined: Ragozin Defense | |
| Oct 17, 2024 | Reller | 1–0 | Scholz | Round 7: Reller, Ole - Scholz, Benedict | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 16, 2024 | Schwitkowski | ½–½ | Reller | Round 6: Schwitkowski, Luka - Reller, Ole | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack | |
| Oct 15, 2024 | Reller | 0–1 | Weidemann | Round 5: Reller, Ole - Weidemann, Jakob | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Oct 14, 2024 | Korchynskyi | ½–½ | Reller | Round 4: Korchynskyi, Mykola - Reller, Ole | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Oct 13, 2024 | Reller | 1–0 | Sayan | Round 3: Reller, Ole - Sayan, Leheng Idris | English Opening: Caro-Kann Defensive System | |
| Oct 13, 2024 | Darshan G | 0–1 | Reller | Round 2: Darshan G - Reller, Ole | Indian Defense | |
| Oct 12, 2024 | Reller | 1–0 | Goldkuhle | Round 1: Reller, Ole - Goldkuhle, Collin | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 31, 2024 | Reller | ½–½ | Holtel | new tournament description | King's Indian Attack | |
| Mar 31, 2024 | Reller | 0–1 | Korchynskyi | new tournament description | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 30, 2024 | Reller | 0–1 | Costa | Grenke Chess Open 2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Mar 30, 2024 | Gloeckler | * | Reller | new tournament description | King's Indian Defense | |
| Jan 7, 2023 | Reller | 0–1 | Steffens | Lower Saxony Championship | A | English Opening | |
| Jan 7, 2023 | Moerke | 1–0 | Reller | Lower Saxony Championship | A | French Defense: Exchange Variation | |
| Jan 5, 2023 | Reller | ½–½ | Bulygin | Lower Saxony Championship | A | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |