| Dec 17, 2023 | Nathaniel Wickramasinghe | 0–1 | Mate Karkovic | Round 7: Nathaniel Wickramasinghe - Mate Karkovic | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 15, 2023 | Mandukai Myagmarsuren | 1–0 | Nathaniel Wickramasinghe | Round 5: Mandukai Myagmarsuren - Nathaniel Wickramasinghe | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 14, 2023 | Nathaniel Wickramasinghe | 1–0 | Drago Stanivukovic | Round 4: Nathaniel Wickramasinghe - Drago Stanivukovic | Modern Defense: Standard Defense | |
| Dec 13, 2023 | Anton Buettner | ½–½ | Nathaniel Wickramasinghe | Round 3: Anton Buettner - Nathaniel Wickramasinghe | Sicilian Defense: Classical Variation, Sozin Attack | |
| Dec 12, 2023 | Nathaniel Wickramasinghe | 0–1 | Jurij Khalakhan | Round 2: Nathaniel Wickramasinghe - Jurij Khalakhan | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Dec 11, 2023 | Sotiris Armeniakos | 0–1 | Nathaniel Wickramasinghe | Round 1: Sotiris Armeniakos - Nathaniel Wickramasinghe | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Apr 4, 2023 | Michael Miazhynski | 1–0 | Nathaniel Wickramasinghe | Round 1: Michael Miazhynski - Nathaniel Wickramasinghe | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Apr 4, 2023 | Daniel Karner | 1–0 | Nathaniel Wickramasinghe | Round 3: Daniel Karner - Nathaniel Wickramasinghe | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Dec 11, 2022 | Nathaniel Wickramasinghe | 0–1 | Stefan Gartmayer | Round 7: Nathaniel Wickramasinghe - Stefan Gartmayer | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Dec 10, 2022 | Nathaniel Wickramasinghe | 1–0 | Franz Mayrhuber | Round 6: Nathaniel Wickramasinghe - Franz Mayrhuber | Nimzowitsch Defense: Williams Variation | |
| Dec 9, 2022 | Magnus Zanon | 1–0 | Nathaniel Wickramasinghe | Round 5: Magnus Zanon - Nathaniel Wickramasinghe | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Dec 8, 2022 | Alexander Bernard | 0–1 | Nathaniel Wickramasinghe | Round 4: Alexander Bernard - Nathaniel Wickramasinghe | Indian Defense | |
| Dec 8, 2022 | Ivane Megrelishvili | 1–0 | Nathaniel Wickramasinghe | Round 2: Ivane Megrelishvili - Nathaniel Wickramasinghe | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Dec 8, 2022 | Nathaniel Wickramasinghe | 1–0 | Horst Kunschek | Round 3: Nathaniel Wickramasinghe - Horst Kunschek | Italian Game: Giuoco Piano | |
| Dec 8, 2022 | Nathaniel Wickramasinghe | 0–1 | Siegfried Zoernpfenning | Round 1: Nathaniel Wickramasinghe - Siegfried Zoernpfenning | Petrov's Defense | |
| Sep 25, 2022 | Nathaniel Wickramasinghe | 1–0 | Emilia Deak-Sala | Round 9: Nathaniel Wickramasinghe - Emilia Deak-Sala | Sicilian Defense: Open | |
| Sep 24, 2022 | Walter Krejcar | 0–1 | Nathaniel Wickramasinghe | Round 8: Walter Krejcar - Nathaniel Wickramasinghe | Indian Defense | |
| Sep 23, 2022 | Nathaniel Wickramasinghe | ½–½ | Alois Schwabeneder | Round 7: Nathaniel Wickramasinghe - Alois Schwabeneder | Caro-Kann Defense: Karpov Variation | |
| Sep 22, 2022 | Kujtim Bytyqi | 1–0 | Nathaniel Wickramasinghe | Round 6: Kujtim Bytyqi - Nathaniel Wickramasinghe | Nimzo-Larsen Attack: Modern Variation | |
| Sep 21, 2022 | Nathaniel Wickramasinghe | 1–0 | Christian Paseka | Round 5: Nathaniel Wickramasinghe - Christian Paseka | Sicilian Defense: Najdorf Variation, English Attack | |
| Sep 20, 2022 | Leonhard Herter | 0–1 | Nathaniel Wickramasinghe | Round 4: Leonhard Herter - Nathaniel Wickramasinghe | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Sep 19, 2022 | Mark Onipko | 0–1 | Nathaniel Wickramasinghe | Round 3: Mark Onipko - Nathaniel Wickramasinghe | ? | |
| Sep 18, 2022 | Nathaniel Wickramasinghe | 0–1 | Alexander Pavlov | Round 2: Nathaniel Wickramasinghe - Alexander Pavlov | Italian Game: Two Knights Defense | |
| Sep 18, 2022 | Helmut Kummer | 1–0 | Nathaniel Wickramasinghe | Round 1: Helmut Kummer - Nathaniel Wickramasinghe | King's Indian Defense: Normal Variation, Standard Development | |
