| Mar 22, 2026 | Lentzos | 0–1 | Blackburn | Round 8: Lentzos, Ioanis - Blackburn, Jonathan L B | Neo-Grünfeld Defense: Exchange Variation | |
| Mar 21, 2026 | Webb | 1–0 | Lentzos | Round 7: Webb, Richard M - Lentzos, Ioanis | Sicilian Defense: Closed | |
| Mar 15, 2026 | Lishoy Gengis Paratazham | 0–1 | Lentzos | Round 11: Lishoy Gengis Paratazham, Dildarav - Lentzos, Ioanis | Alekhine Defense: Exchange Variation | |
| Mar 15, 2026 | Lentzos | 1–0 | Dupuis | Round 10: Lentzos, Ioanis - Dupuis, Denis K | Queen's Pawn Game: Colle System, Anti-Colle | |
| Mar 15, 2026 | Deepak Ambattu | ½–½ | Lentzos | Round 9: Deepak Ambattu, Rithvik - Lentzos, Ioanis | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Mar 15, 2026 | Lentzos | 1–0 | Murphy | Round 8: Lentzos, Ioanis - Murphy, Hugh W | Queen's Pawn Game: Colle System, Traditional Colle | |
| Mar 15, 2026 | Jyothika U R | 0–1 | Lentzos | Round 7: Jyothika U R - Lentzos, Ioanis | Alekhine Defense: Exchange Variation | |
| Mar 14, 2026 | Lentzos | 0–1 | Bathula | Round 5: Lentzos, Ioanis - Bathula, Abhinav Reddy | East Indian Defense | |
| Mar 14, 2026 | Lentzos | 1–0 | Sooraj M R | Round 4: Lentzos, Ioanis - Sooraj M R | East Indian Defense | |
| Mar 14, 2026 | Singh | 0–1 | Lentzos | Round 3: Singh, Amandeep - Lentzos, Ioanis | Alekhine Defense: Sämisch Attack | |
| Mar 14, 2026 | Lentzos | 0–1 | Mikalajunas | Round 2: Lentzos, Ioanis - Mikalajunas, Kajus | Queen's Pawn Game: Colle System | |
| Mar 14, 2026 | Razhnova | 0–1 | Lentzos | Round 1: Razhnova, Aryna - Lentzos, Ioanis | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Feb 8, 2026 | Miller | ½–½ | Lentzos | Round 6: Miller, Dominic - Lentzos, Ioanis | Caro-Kann Defense: Endgame Variation | |
| Feb 7, 2026 | Lentzos | 1–0 | Ashton | Round 5: Lentzos, Ioanis - Ashton, Alannah | Grünfeld Defense: Russian Variation | |
| Jan 11, 2026 | Babu | 0–1 | Lentzos | Round 4: Babu, Rahul - Lentzos, Ioanis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jan 10, 2026 | Lentzos | ½–½ | Chan | Round 3: Lentzos, Ioanis - Chan, Sheng Liang Bernard | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Oct 19, 2025 | Lentzos | 0–1 | Matyassy | Round 1: Lentzos, Ioanis - Matyassy, Lazar | Catalan Opening: Closed | |
| Oct 11, 2025 | Lentzos | ½–½ | Chua | Golders Green FIDE Rapidplay - October 2025 | Semi-Slav Defense: Accelerated Meran Variation | |
| May 5, 2025 | Maycock Bates | 1–0 | Lentzos | Round 11: Maycock Bates, David Henry - Lentzos, Ioanis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 4, 2025 | Golding | ½–½ | Lentzos | Round 10: Golding, Alex - Lentzos, Ioanis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 3, 2025 | Lentzos | 0–1 | Taylor | Round 9: Lentzos, Ioanis - Taylor, Martin R | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Apr 27, 2025 | Lentzos | 1–0 | Povah | Round 4: Lentzos, Ioanis - Povah, Nigel E | English Opening: King's English Variation | |
| Apr 27, 2025 | Taylor | ½–½ | Lentzos | Round 5: Taylor, Adam A - Lentzos, Ioanis | Nimzo-Larsen Attack: Classical Variation | |
| Apr 26, 2025 | Lentzos | 1–0 | Golding | Round 2: Lentzos, Ioanis - Golding, Alex | English Opening: Agincourt Defense | |
| Apr 6, 2025 | Lentzos | 0–1 | Eggleston | Round 8: Lentzos, Ioanis - Eggleston, David J | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Apr 5, 2025 | Haydon | ½–½ | Lentzos | Round 7: Haydon, David L - Lentzos, Ioanis | English Opening: Anglo-Indian Defense | |
| Feb 16, 2025 | Olson | 1–0 | Lentzos | Round 6: Olson, Hamish - Lentzos, Ioanis | Caro-Kann Defense: Endgame Variation | |
| Feb 15, 2025 | Lentzos | 0–1 | Grieve | Round 5: Lentzos, Ioanis - Grieve, Harry | English Opening: Agincourt Defense | |
| Jan 26, 2025 | Ansell | 1–0 | Lentzos | Round 4: Ansell, Simon T - Lentzos, Ioanis | Caro-Kann Defense: Advance Variation | |
| Jan 25, 2025 | Lentzos | 1–0 | Palliser | Round 3: Lentzos, Ioanis - Palliser, Richard J D | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 31, 2024 | Atako | 0–1 | Lentzos | Round 5: Atako, Chino C - Lentzos, Ioanis | Sicilian Defense: Delayed Alapin Variation | |
| Jul 29, 2024 | Boswell | 1–0 | Lentzos | Round 3: Boswell, Jacob Connor - Lentzos, Ioanis | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 28, 2024 | Lentzos | 0–1 | Adams | Round 2: Lentzos, Ioanis - Adams, Michael | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 27, 2024 | Czopor | ½–½ | Lentzos | Round 1: Czopor, Maciej - Lentzos, Ioanis | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Mar 17, 2024 | Graham | ½–½ | Lentzos | Round 8: Graham, David B - Lentzos, Ioanis | Sicilian Defense: French Variation | |
| Jan 14, 2024 | Lentzos | ½–½ | Southcott-Moyers | Main 4NCL League Division 2 - 2023/24 | Queen's Gambit Declined: Three Knights Variation | |
| Jan 13, 2024 | Borrowdale | 0–1 | Lentzos | Main 4NCL League Division 2 - 2023/24 | Semi-Slav Defense: Meran Variation | |
| Nov 24, 2024 | Macak | * | Lentzos | Round 2: Macak, Stefan - Lentzos, Ioanis | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 23, 2024 | Lentzos | 0–1 | Roberson | Round 1: Lentzos, Ioanis - Roberson, Peter T | English Opening: Symmetrical Variation | |
| Aug 18, 2024 | Lentzos | ½–½ | Beaumont | Round 5: Lentzos, Ioanis - Beaumont, Chris R | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Aug 18, 2024 | Chan | ½–½ | Lentzos | Round 4: Chan, Sheng Liang Bernard - Lentzos, Ioanis | Slav Defense: Exchange Variation | |
| Aug 17, 2024 | Lentzos | 1–0 | Homer | Round 3: Lentzos, Ioanis - Homer, Stephen J | Queen's Indian Defense: Yates Variation | |
| Aug 4, 2024 | Brewer | 1–0 | Lentzos | Round 9: Brewer, Callum D - Lentzos, Ioanis | Caro-Kann Defense: Maróczy Variation | |
| Aug 3, 2024 | Lentzos | 0–1 | Willow | Round 8: Lentzos, Ioanis - Willow, Jonah B | English Opening: King's English Variation | |
| Aug 2, 2024 | Southcott-Moyers | ½–½ | Lentzos | Round 7: Southcott-Moyers, Indy - Lentzos, Ioanis | Slav Defense: Exchange Variation | |
| Aug 1, 2024 | Lentzos | 1–0 | Merriman | Round 6: Lentzos, Ioanis - Merriman, James | English Opening | |
| Jul 30, 2024 | Lentzos | 0–1 | Starley | Round 4: Lentzos, Ioanis - Starley, Robert | English Opening | |
| Dec 9, 2023 | Lentzos | 0–1 | Willmoth | Chessengland.com Grandmasters Festival - IM Group C | English Opening | |
| Dec 8, 2023 | Lentzos | ½–½ | Collins | Chessengland.com Grandmasters Festival - IM Group C | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Dec 8, 2023 | Large | 0–1 | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Nimzo-Larsen Attack: Classical Variation | |
| Dec 7, 2023 | Lentzos | ½–½ | Cerveny | Chessengland.com Grandmasters Festival - IM Group C | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Dec 7, 2023 | Ribeiro | 1–0 | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Queen's Pawn Game: Colle System | |
| Dec 6, 2023 | Pollack | 1–0 | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 6, 2023 | Durak | ½–½ | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Catalan Opening: Open Defense | |
| Dec 5, 2023 | Lentzos | 0–1 | Cherniaev | Chessengland.com Grandmasters Festival - IM Group C | English Opening | |
| Dec 5, 2023 | Ribeiro | 1–0 | Lentzos | Chessengland.com Grandmasters Festival - IM Group C | Queen's Gambit Declined: Cambridge Springs Defense | |
| Nov 12, 2023 | Lentzos | 1–0 | Starley | Main 4NCL League Division 2 - 2023/24 | English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | |
| Aug 21, 2022 | Lentzos | 1–0 | Richardson | Chessable British Chess Championships: Championship | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Aug 19, 2022 | Brewer | 0–1 | Lentzos | Chessable British Chess Championships: Championship | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 18, 2022 | Lentzos | ½–½ | Ward | Chessable British Chess Championships: Championship | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Aug 17, 2022 | Mulay | 0–1 | Lentzos | Chessable British Chess Championships: Championship | Richter-Veresov Attack: Veresov Variation | |
| Aug 16, 2022 | Lentzos | 1–0 | Okhai | Chessable British Championship | Benoni Defense: Knight's Tour Variation | |
| Aug 15, 2022 | Villiers | 1–0 | Lentzos | Chessable British Championship | Caro-Kann Defense: Endgame Offer | |
| Aug 14, 2022 | Lentzos | 0–1 | Willow | Chessable British Chess Championships: Championship | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Aug 13, 2022 | Derakhshani | 1–0 | Lentzos | Chessable British Championship | Nimzo-Larsen Attack: Classical Variation | |
| May 2, 2022 | Swindells | 1–0 | Lentzos | 4NCL Main League 1-2 | Sicilian Defense | |
| May 1, 2022 | Lentzos | 1–0 | Vijayakumar | 4NCL Main League 1-2 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Apr 30, 2022 | Kolbus | ½–½ | Lentzos | 4NCL Main League 1-2 | English Opening: Caro-Kann Defensive System | |
| Mar 26, 2022 | Olson | ½–½ | Lentzos | 4NCL Main League 1-2 | Queen's Pawn Game: Symmetrical Variation | |
| Sep 11, 2021 | Lentzos | ½–½ | Ignatiadis | Greek Team Championship | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Sep 10, 2021 | Lentzos | ½–½ | Kymionis | Greek Team Championship | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Sep 9, 2021 | Lentzos | ½–½ | Sarantos | Greek Team Championship | Semi-Slav Defense: Normal Variation | |
| Sep 8, 2021 | Lentzos | 1–0 | Zenelis | Greek Team Championship | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Sep 8, 2021 | Lentzos | 1–0 | Kofidis | Greek Team Championship | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Sep 7, 2021 | Lentzos | ½–½ | Loutragotis | Greek Team Championship | King's Indian Defense: Orthodox Variation, Glek Defense | |
| — | Lentzos | ½–½ | Bradbury | Chessable British Chess Championships: Championship | Benoni Defense: Knight's Tour Variation | |