| Nov 6, 2023 | Ethan Sheehan | 1–0 | P Michelle Catherina | Round 9: Ethan Sheehan - P Michelle Catherina | English Opening: Symmetrical Variation | |
| Nov 6, 2023 | Eugene Yanayt | 0–1 | Ethan Sheehan | Round 8: Eugene Yanayt - Ethan Sheehan | Catalan Opening | |
| Nov 5, 2023 | Ethan Sheehan | 0–1 | Akeras Overlingas | Round 7: Ethan Sheehan - Akeras Overlingas | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Nov 5, 2023 | C.J. Arvind | 0–1 | Ethan Sheehan | Round 6: C.J. Arvind - Ethan Sheehan | Queen's Gambit Declined: Janowski Variation | |
| Nov 4, 2023 | Julio Becerra | ½–½ | Ethan Sheehan | Round 5: Julio Becerra - Ethan Sheehan | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Nov 4, 2023 | Ethan Sheehan | 0–1 | William Hernandez Gonzalez | Round 4: Ethan Sheehan - William Hernandez Gonzalez | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Nov 3, 2023 | Alder Escobar Forero | 0–1 | Ethan Sheehan | Round 1: Alder Escobar Forero - Ethan Sheehan | Sicilian Defense: Najdorf Variation | |
| Nov 3, 2023 | Jean Marco Cruz Mendez | 0–1 | Ethan Sheehan | Round 3: Jean Marco Cruz Mendez - Ethan Sheehan | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Nov 3, 2023 | Ethan Sheehan | 1–0 | Aadit Bhatia | Round 2: Ethan Sheehan - Aadit Bhatia | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 13, 2023 | Ethan Sheehan | ½–½ | Nikola Mitkov | Round 9 (15m): Ethan Sheehan - Nikola Mitkov | Ruy Lopez: Exchange Variation, Normal Variation | |
| Jul 13, 2023 | James Chirilov | 0–1 | Ethan Sheehan | Round 8 (15m): James Chirilov - Ethan Sheehan | Sicilian Defense: Richter-Rauzer Variation, Dragon Variation | |
| Jul 13, 2023 | Ethan Sheehan | ½–½ | James Canty | Round 7: Ethan Sheehan - James Canty | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 12, 2023 | Julio Becerra | 1–0 | Ethan Sheehan | Round 6: Julio Becerra - Ethan Sheehan | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 11, 2023 | Ethan Sheehan | ½–½ | Gauri Shankar | Round 5: Ethan Sheehan - Gauri Shankar | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jul 11, 2023 | Gus Huston | ½–½ | Ethan Sheehan | Round 4: Gus Huston - Ethan Sheehan | Queen's Gambit Declined | |
| Jul 10, 2023 | Ethan Sheehan | 1–0 | Nico Chasin | Round 3: Ethan Sheehan - Nico Chasin | King's Indian Attack | |
| Jul 9, 2023 | Ethan Sheehan | 0–1 | Yasser Quesada Perez | Round 1: Ethan Sheehan - Yasser Quesada Perez | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| May 29, 2023 | Aryan Gutla | ½–½ | Ethan Sheehan | 32nd Annual Chicago Open | Queen's Gambit Declined | |
| May 28, 2023 | Ethan Sheehan | ½–½ | Brewington Hardaway | 32nd Annual Chicago Open | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 27, 2023 | Ethan Sheehan | * | Kapil Chandran | 32nd Annual Chicago Open | ? | |
| May 27, 2023 | Gus Huston | * | Ethan Sheehan | 32nd Annual Chicago Open | ? | |
| May 26, 2023 | Grzegorz Nasuta | ½–½ | Ethan Sheehan | Round 1: Grzegorz Nasuta - Ethan Sheehan | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 26, 2023 | Ethan Sheehan | * | Tugstumur Yesuntumur | 32nd Annual Chicago Open | ? | |
| Jan 16, 2023 | Joshua Sheng | 0–1 | Ethan Sheehan | Round 6: Joshua Sheng - Ethan Sheehan | Sicilian Defense: Grand Prix Attack | |
| Nov 22, 2022 | Ethan Sheehan | ½–½ | Attila Istvan Csonka | Round 9 | IM E: Ethan Sheehan - Attila Istvan Csonka | King's Indian Attack | |
| Nov 22, 2022 | Grayson Rorrer | 1–0 | Ethan Sheehan | Round 8 | IM E: Grayson Rorrer - Ethan Sheehan | Sicilian Defense: Najdorf Variation | |
| Nov 21, 2022 | Ethan Sheehan | ½–½ | Roberto Martin Del Campo | Round 7 | IM E: Ethan Sheehan - Roberto Martin Del Campo | King's Indian Defense: Orthodox Variation | |
| Nov 20, 2022 | Sriram Krishnakumar | ½–½ | Ethan Sheehan | Round 6 | IM E: Sriram Krishnakumar - Ethan Sheehan | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Nov 20, 2022 | Liam Putnam | ½–½ | Ethan Sheehan | Round 5 | IM E: Liam Putnam - Ethan Sheehan | Catalan Opening: Open Defense, Classical Line | |
| Nov 19, 2022 | Harshid Kunka | * | Ethan Sheehan | Round 3 | IM E: Harshid Kunka - Ethan Sheehan | Sicilian Defense: Najdorf Variation | |
| Nov 19, 2022 | Ethan Sheehan | 0–1 | Sila Caglar | Round 2 | IM E: Ethan Sheehan - Sila Caglar | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 18, 2022 | Ethan Sheehan | 0–1 | Sila Caglar | Round 2 | IM E: Ethan Sheehan - Sila Caglar | Queen's Gambit Declined: Queen's Knight Variation | |
| Nov 18, 2022 | Dante Beukes | ½–½ | Ethan Sheehan | Round 1 | IM E: Dante Beukes - Ethan Sheehan | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Nov 18, 2022 | Dante Beukes | ½–½ | Ethan Sheehan | Round 1 | IM E: Dante Beukes - Ethan Sheehan | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Nov 25, 2021 | Edward Song | 1–0 | Ethan Sheehan | Round 3: Edward Song - Ethan Sheehan | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |