| Apr 19, 2026 | Lesniowski | 1–0 | Jayaraj | 4th Sussex University Weekend Congress - Blitz | Scotch Game | |
| Apr 19, 2026 | Brewer | 1–0 | Lesniowski | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 19, 2026 | Lesniowski | 0–1 | Fawcett | 4th Sussex University Weekend Congress - Blitz | Center Game: Berger Variation | |
| Apr 19, 2026 | Sharma | 0–1 | Lesniowski | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Closed, Traditional | |
| Apr 19, 2026 | Lesniowski | 0–1 | Buckland | 4th Sussex University Weekend Congress - Blitz | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 19, 2026 | Scott | 0–1 | Lesniowski | 4th Sussex University Weekend Congress - Blitz | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Apr 19, 2026 | Lesniowski | 1–0 | Subramanian | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Alapin Variation | |
| Apr 19, 2026 | Kudaibergen | 1–0 | Lesniowski | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Taimanov Variation | |
| Apr 19, 2026 | Lesniowski | ½–½ | Foster | 4th Sussex University Weekend Congress - Congress Under 2400 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Apr 19, 2026 | Raghul Adhitya PJ | 0–1 | Lesniowski | 4th Sussex University Weekend Congress - Congress Under 2400 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 18, 2026 | Lesniowski | 0–1 | Payne | 4th Sussex University Weekend Congress - Congress Under 2400 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Apr 18, 2026 | Lesniowski | 1–0 | Taylor | 4th Sussex University Weekend Congress - Congress Under 2400 | Pirc Defense: Byrne Variation | |
| Apr 18, 2026 | Lishoy Gengis Paratazham | 1–0 | Lesniowski | 4th Sussex University Weekend Congress - Congress Under 2400 | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 6, 2025 | Eames | 1–0 | Lesniowski | Round 3: Eames, Robert S - Lesniowski, Paul | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Dec 6, 2025 | Emms | 1–0 | Lesniowski | Round 1: Emms, John M - Lesniowski, Paul | Sicilian Defense: French Variation | |
| Jan 5, 2025 | Lesniowski | 1–0 | Lee | 98th Caplin Hastings Weekend Open 2025 | Scotch Game: Mieses Variation | |
| Jan 5, 2025 | Kim | 0–1 | Lesniowski | 98th Caplin Hastings Weekend Open 2025 | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Jan 4, 2025 | Lesniowski | 0–1 | Chapman | 98th Caplin Hastings Weekend Open 2025 | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jan 4, 2025 | Graham | ½–½ | Lesniowski | 98th Caplin Hastings Weekend Open 2025 | Sicilian Defense: French Variation | |
| Jan 3, 2025 | Liu | 1–0 | Lesniowski | 98th Caplin Hastings Weekend Open 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Aug 31, 2024 | Lesniowski | 0–1 | Patel | Round 1: Lesniowski, Paul - Patel, Zain | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 31, 2024 | Lesniowski | ½–½ | Fortunato | Round 3: Lesniowski, Paul - Fortunato, Bartolomeo | Sicilian Defense: Alapin Variation | |
| Aug 31, 2024 | Lesniowski | 0–1 | Bijeljic | Round 6: Lesniowski, Paul - Bijeljic, Branko | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 31, 2024 | Lesniowski | 1–0 | Ismailov | Round 7: Lesniowski, Paul - Ismailov, Roman | Sicilian Defense: Delayed Alapin Variation | |
| Aug 31, 2024 | Lesniowski | 0–1 | Zeynalli | Round 9: Lesniowski, Paul - Zeynalli, Nial | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 31, 2024 | Malinovskii | 1–0 | Lesniowski | Round 2: Malinovskii, Ilia - Lesniowski, Paul | Sicilian Defense: Snyder Variation | |
| Aug 31, 2024 | Jakcsiova | 0–1 | Lesniowski | Round 4: Jakcsiova, Viktoria - Lesniowski, Paul | Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch | |
| Aug 31, 2024 | Rubeck | 0–1 | Lesniowski | Round 5: Rubeck, Jonathan - Lesniowski, Paul | Sicilian Defense: Grand Prix Attack | |
| Aug 31, 2024 | Sagues | 1–0 | Lesniowski | Round 8: Sagues, Vincent - Lesniowski, Paul | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
