| Apr 30, 2026 | Dobboletta | ½–½ | Marchesich | Finals: Dobboletta, Alex - Marchesich, Giovanni | Pirc Defense | |
| Apr 29, 2026 | Marchesich | 0–1 | Marzano | Semifinals: Marchesich, Giovanni - Marzano, Carlo | Queen's Pawn Game: Zukertort Variation | |
| Apr 27, 2026 | Lucaroni | ½–½ | Marchesich | Round 6: Lucaroni, Massimiliano - Marchesich, Giovanni | Four Knights Game: Scotch Variation, Belgrade Gambit | |
| Apr 26, 2026 | Marchesich | ½–½ | Iannello | Round 4: Marchesich, Giovanni - Iannello, Andrea | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 25, 2026 | De Nardi | 0–1 | Marchesich | Round 3: De Nardi, Riccardo - Marchesich, Giovanni | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Apr 24, 2026 | Marchesich | ½–½ | Palozza | Round 1: Marchesich, Giovanni - Palozza, Christian | Queen's Pawn Game: London System | |
| Sep 20, 2025 | Marchesich | ½–½ | Sommerbauer-Cornell | exe:Slovakia open Bratislava 25 | Indian Defense: Tartakower Attack | |
| Sep 19, 2025 | Srnak | 0–1 | Marchesich | exe:Slovakia open Bratislava 25 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 18, 2025 | Marchesich | 0–1 | Smetana | exe:Slovakia open Bratislava 25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Sep 17, 2025 | Barbir | ½–½ | Marchesich | exe:Slovakia open Bratislava 25 | Caro-Kann Defense: Two Knights Attack | |
| Sep 16, 2025 | Marchesich | 1–0 | Shlaen | exe:Slovakia open Bratislava 25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Sep 15, 2025 | Iankin | ½–½ | Marchesich | exe:Slovakia open Bratislava 25 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 14, 2025 | Marchesich | 0–1 | Heberla | exe:Slovakia open Bratislava 25 | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Sep 13, 2025 | Jancura | 0–1 | Marchesich | exe:Slovakia open Bratislava 25 | Catalan Opening: Closed | |
| Apr 14, 2024 | Marchesich | ½–½ | Cereda | PlayOff | Ruy Lopez: Closed, Martinez Variation | |
| Apr 13, 2024 | Marchesich | ½–½ | Seresin | PlayOff | Caro-Kann Defense: Endgame Offer | |
| Apr 11, 2024 | Marchesich | 0–1 | Iturrizaga Bonelli | Group A | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Apr 8, 2024 | Sonis | 1–0 | Marchesich | Group A | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Feb 2, 2024 | Marchesich | ½–½ | Doric | Hit Open 2024 | Pirc Defense | |
| Feb 1, 2024 | Marchesich | 1–0 | Zupancic | Hit Open 2024 | Sicilian Defense: Najdorf Variation, Main Line | |
| Jan 31, 2024 | Bazilius | ½–½ | Marchesich | Hit Open 2024 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jan 30, 2024 | Marchesich | 1–0 | Pagnutti | Hit Open 2024 | Ruy Lopez: Morphy Defense | |
| Jan 29, 2024 | Kulkarni | 1–0 | Marchesich | Hit Open 2024 | King's Indian Attack: Symmetrical Defense | |
| Jan 28, 2024 | Marchesich | ½–½ | Furlan | Hit Open 2024 | French Defense: Winawer Variation, Petrosian Variation | |
| Jan 27, 2024 | Marchesich | 1–0 | Veselic | Hit Open 2024 | Ruy Lopez: Closed, Martinez Variation | |
| Jan 27, 2024 | Stevanic | 0–1 | Marchesich | Hit Open 2024 | Caro-Kann Defense: Tartakower Variation | |
| Jan 26, 2024 | Ceres | 1–0 | Marchesich | Hit Open 2024 | Caro-Kann Defense: Exchange Variation | |
| Sep 20, 2022 | Marchesich | 0–1 | Budai | Hit Open 2022 | ? | |
| Sep 19, 2022 | Zlatanovic | ½–½ | Marchesich | Hit Open 2022 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 18, 2022 | Marchesich | 1–0 | Ivsek | Hit Open 2022 | Sicilian Defense: Löwenthal Variation | |
| Sep 18, 2022 | Vidmar | ½–½ | Marchesich | Hit Open 2022 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Sep 17, 2022 | Marchesich | ½–½ | Mostbauer | Hit Open 2022 | Caro-Kann Defense: Endgame Variation | |
| Sep 17, 2022 | Schreiner | 1–0 | Marchesich | Hit Open 2022 | King's Indian Attack: Symmetrical Defense | |
| Sep 16, 2022 | Marchesich | ½–½ | Thavandiran | 26th HIT Open | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 28, 2022 | Ceres | 1–0 | Marchesich | European Individual Chess Championship | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 28, 2021 | Marchesich | 0–1 | Livaic | XXIII Festival Trieste | Caro-Kann Defense: Classical Variation, Lobron System | |
| — | Marchesich | 0–1 | Budisavljevic | European Individual Chess Championship | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Marchesich | 0–1 | Ghosh | LCF 2025 | Ruy Lopez: Closed, Martinez Variation | |
| — | Marchesich | 1–0 | Logar | LCF 2025 | Ruy Lopez: Closed, Martinez Variation | |
| — | Marchesich | 0–1 | Banusz | Round 1: Marchesich, Giovanni - Banusz, Tamas | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Labrovic | 0–1 | Marchesich | LCF 2025 | Queen's Pawn Game: Levitsky Attack | |
| — | Thorfinnsson | 1–0 | Marchesich | LCF 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |