| Jun 26, 2026 | Tomas | ½–½ | Grgantov | Round 11: Tomas, Ante - Grgantov, Marin | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jun 26, 2026 | Grgantov | 1–0 | Kucelj | Round 10: Grgantov, Marin - Kucelj, Kevin | French Defense: Tarrasch Variation | |
| Jun 26, 2026 | Biti | ½–½ | Grgantov | Round 9: Biti, Ozren - Grgantov, Marin | Scandinavian Defense | |
| Jun 26, 2026 | Grgantov | 1–0 | Novak | Round 8: Grgantov, Marin - Novak, Ivo | Sicilian Defense: Grand Prix Attack | |
| Jun 26, 2026 | Gazic | 0–1 | Grgantov | Round 7: Gazic, Petar - Grgantov, Marin | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Jun 26, 2026 | Grgantov | 0–1 | Basaric | Round 6: Grgantov, Marin - Basaric, Srdjan | Philidor Defense: Lion Variation | |
| Jun 26, 2026 | Veleski | 1–0 | Grgantov | Round 5: Veleski, Robert - Grgantov, Marin | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Jun 26, 2026 | Grgantov | 0–1 | Enkhnar | Round 4: Grgantov, Marin - Enkhnar, Enkhbaatar | Sicilian Defense: Grand Prix Attack | |
| Jun 26, 2026 | Grgantov | 1–0 | Sibincic | Round 2: Grgantov, Marin - Sibincic, Nikola | Sicilian Defense: Closed | |
| Jun 26, 2026 | Polok | 0–1 | Grgantov | Round 3: Polok, Kacper - Grgantov, Marin | Scandinavian Defense | |
| Jun 26, 2026 | Mirosevic | 0–1 | Grgantov | Round 1: Mirosevic, Lovre - Grgantov, Marin | Scandinavian Defense: Portuguese Gambit, Wuss Variation | |
| May 10, 2026 | Pasztor | 1–0 | Grgantov | mitropa-men | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 9, 2026 | Grgantov | 0–1 | Borrmann | mitropa-men | Sicilian Defense: Grand Prix Attack | |
| May 7, 2026 | Grgantov | 0–1 | Goroshkov | mitropa-men | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| May 6, 2026 | Grgantov | 0–1 | Collin | mitropa-men | Sicilian Defense: Grand Prix Attack | |
| May 5, 2026 | Druska | 1–0 | Grgantov | mitropa-men | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| May 4, 2026 | Grgantov | 0–1 | Bettalli | mitropa-men | Sicilian Defense: Classical Variation | |
| May 3, 2026 | Gnojek | 1–0 | Grgantov | mitropa-men | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| May 2, 2026 | Grgantov | 0–1 | Besou | mitropa-men | Sicilian Defense: Godiva Variation | |
| Jan 25, 2026 | Martinovic | 1–0 | Grgantov | Grand Prix HŠS 2026 | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jan 24, 2026 | Grgantov | ½–½ | Martinovic | Grand Prix HŠS 2026 | Sicilian Defense: Classical Variation | |
| Jan 9, 2026 | Djuric | 0–1 | Grgantov | Open Bosnjaci 2026. | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Jan 8, 2026 | Grgantov | ½–½ | Starcevic | Open Bosnjaci 2026. | Sicilian Defense: Open | |
| Jan 7, 2026 | Hadzovic | ½–½ | Grgantov | Open Bosnjaci 2026. | Vienna Game: Falkbeer Variation | |
| Jan 6, 2026 | Grgantov | ½–½ | Safar | Open Bosnjaci 2026. | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jan 6, 2026 | Besedes | ½–½ | Grgantov | Open Bosnjaci 2026. | Nimzo-Indian Defense: Normal Variation | |
| Jan 6, 2026 | Grgantov | 1–0 | Vidovic | Open Bosnjaci 2026. | Czech Defense | |
| Jan 4, 2026 | Konjevic | ½–½ | Grgantov | Open Bosnjaci 2026. | Ruy Lopez: Morphy Defense | |
| Jan 4, 2026 | Grgantov | 1–0 | Novak | Open Bosnjaci 2026. | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 3, 2026 | Luketic | 0–1 | Grgantov | Open Bosnjaci 2026. | Bishop's Opening: Berlin Defense | |
| Jul 30, 2025 | Grgantov | 1–0 | Filic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 28, 2025 | Grgantov | ½–½ | Kristic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Vienna Game: Frankenstein-Dracula Variation | |
| Jul 28, 2025 | Bozic | ½–½ | Grgantov | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Jul 26, 2025 | Mrkic | 1–0 | Grgantov | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Ruy Lopez: Berlin Defense | |
| Jul 25, 2025 | Grgantov | 0–1 | Vidovic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Sicilian Defense: Najdorf Variation | |
| Jul 25, 2025 | Drozdjek | 0–1 | Grgantov | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit | |
| Jul 24, 2025 | Grgantov | 1–0 | Kokanovic | Pojedinacno prvenstvo Hrvatske za juniorke i juniore 2025 | Four Knights Game: Spanish Variation, Classical Variation | |
| Jul 11, 2025 | Kozlovic | ½–½ | Grgantov | Round 7: Kozlovic, Jernej - Grgantov, Marin | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 10, 2025 | Grgantov | ½–½ | Soucek | Round 6: Grgantov, Marin - Soucek, Jan | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 9, 2025 | Grgantov | 1–0 | Zuzek | Round 5: Grgantov, Marin - Zuzek, Bor | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 8, 2025 | Craciun | ½–½ | Grgantov | Round 4: Craciun, Sasha-Matei - Grgantov, Marin | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Jun 23, 2025 | Bochnickova | 0–1 | Grgantov | 37th International Chess Tournament Open Pula 2025 | Sicilian Defense: Lasker-Pelikan Variation | |
| Jan 9, 2025 | Babler | 0–1 | Grgantov | Open Bosnjaci 2025 | Italian Game: Classical Variation, Greco Gambit | |
| Jan 8, 2025 | Grgantov | ½–½ | Bobanac | Open Bosnjaci 2025 | Sicilian Defense: Kan Variation, Modern Variation | |
| Jan 7, 2025 | Tomas | ½–½ | Grgantov | Open Bosnjaci 2025 | English Opening: Mikenas-Carls Variation | |
| Jan 6, 2025 | Grgantov | 1–0 | Fridl | Open Bosnjaci 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 6, 2025 | Maravic | 1–0 | Grgantov | Open Bosnjaci 2025 | Nimzo-Indian Defense: Sämisch Variation, Keres Variation | |
| Jan 5, 2025 | Grgantov | ½–½ | Topalic | Open Bosnjaci 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 4, 2025 | Tomic | 0–1 | Grgantov | Open Bosnjaci 2025 | Ruy Lopez: Berlin Defense | |
| Sep 6, 2024 | Grgantov | 0–1 | Karlusic | 13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Aug 26, 2024 | Grgantov | 0–1 | Palczert | EYCC 2024 - O18 | Bishop's Opening: Vienna Hybrid | |
| Aug 25, 2024 | Smolik | 1–0 | Grgantov | EYCC 2024 - O18 | English Opening: Mikenas-Carls Variation | |
| Aug 24, 2024 | Szikszai | 0–1 | Grgantov | EYCC 2024 - O18 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Aug 22, 2024 | Pidluznij | 1–0 | Grgantov | EYCC 2024 - O18 | Catalan Opening: Open Defense | |
| Aug 11, 2024 | Grgantov | 0–1 | Gal | 13. SPLIT OPEN | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Aug 10, 2024 | Walden | 0–1 | Grgantov | 13. SPLIT OPEN | King's Indian Attack: Yugoslav Variation | |
| Aug 9, 2024 | Grgantov | 1–0 | Timotic | 13. SPLIT OPEN | Sicilian Defense: O'Kelly Variation, Venice System | |
| Aug 9, 2024 | Lordier | ½–½ | Grgantov | 13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024 | Scotch Game: Potter Variation | |
| Aug 7, 2024 | Foglia | ½–½ | Grgantov | 13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024 | Trompowsky Attack | |
| Aug 4, 2024 | Kostov | 1–0 | Grgantov | 13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024 | Nimzo-Indian Defense: Normal Variation | |
| Jul 24, 2024 | Grgantov | ½–½ | Konjevic | Round 4: Grgantov, Marin - Konjevic, Nikola | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 23, 2024 | Kurtovic | ½–½ | Grgantov | Round 3: Kurtovic, Darko - Grgantov, Marin | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Jul 23, 2024 | Grgantov | 1–0 | Bedekovic | Round 2: Grgantov, Marin - Bedekovic, Jakov | Alekhine Defense: Exchange Variation, Voronezh Variation | |
| Jul 23, 2024 | Cafuk | 0–1 | Grgantov | Round 1: Cafuk, Hrvoje - Grgantov, Marin | Catalan Opening: Open Defense | |
| Jul 5, 2024 | Grgantov | 1–0 | Capin | 13. SPLIT OPEN: ŠAHOVSKI FESTIVAL 2024 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 23, 2024 | Stevanic | 1–0 | Grgantov | 36th International Chess Tournament Open Pula 2024 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 22, 2024 | Grgantov | 0–1 | Schachinger | 36th International Chess Tournament Open Pula 2024 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jun 21, 2024 | Stankovic | 0–1 | Grgantov | 36th International Chess Tournament Open Pula 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jun 20, 2024 | Cvitan | 0–1 | Grgantov | 36th International Chess Tournament Open Pula 2024 | Nimzo-Indian Defense: Normal Variation | |
| Jun 19, 2024 | Grgantov | 0–1 | Bratovic | 36th International Chess Tournament Open Pula 2024 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 18, 2024 | Grgantov | 1–0 | Rubil | 36th International Chess Tournament Open Pula 2024 | Vienna Game: Max Lange Defense | |
| Apr 7, 2024 | Gal | 1–0 | Grgantov | Round 8: Gal, Andrej - Grgantov, Marin | Catalan Opening: Open Defense | |
| Apr 4, 2024 | Grgantov | 0–1 | Novosel | Round 4: Grgantov, Marin - Novosel, Lovro | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 3, 2024 | Vucenovic | 1–0 | Grgantov | Round 3: Vucenovic, Damian - Grgantov, Marin | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Apr 2, 2024 | Grgantov | 0–1 | Sundac | Round 2: Grgantov, Marin - Sundac, Ivano | Sicilian Defense: O'Kelly Variation, Venice System | |
| Dec 16, 2023 | Grgantov | 0–1 | Nadj Hedjesi | European Blitz Championship | Sicilian Defense: Closed | |
| Dec 16, 2023 | Sebenik | 1–0 | Grgantov | European Blitz Championship | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Dec 16, 2023 | Balog | ½–½ | Grgantov | European Blitz Championship | Queen's Pawn Game: Torre Attack, Gossip Variation | |
| Oct 19, 2023 | Grgantov | 0–1 | Begic | 2. Open Hvar | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 18, 2023 | Simunic | ½–½ | Grgantov | 2. Open Hvar | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Oct 17, 2023 | Blokland | 1–0 | Grgantov | 2. Open Hvar | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Oct 16, 2023 | Grgantov | 1–0 | Khallouf | 2. Open Hvar | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 16, 2023 | Ramaj | 1–0 | Grgantov | 2. Open Hvar | Italian Game: Classical Variation, Greco Gambit | |
| Oct 15, 2023 | Grgantov | 1–0 | Tepe | 2. Open Hvar | Italian Game: Scotch Gambit, Max Lange Attack | |
| Sep 30, 2023 | Grgantov | 1–0 | Martic | 22nd European Youth Blitz Championship 2023 - O-16 | Pirc Defense | |
| Sep 30, 2023 | Grgantov | 0–1 | Perea Fruet | 22nd European Youth Blitz Championship 2023 - O-16 | Sicilian Defense: Grand Prix Attack | |
| Sep 30, 2023 | Grgantov | 1–0 | Tancsa | 22nd European Youth Blitz Championship 2023 - O-16 | Sicilian Defense: Closed | |
| Sep 30, 2023 | Grgantov | 0–1 | Pidluznij | 22nd European Youth Blitz Championship 2023 - O-16 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Sep 30, 2023 | Martic | ½–½ | Grgantov | 22nd European Youth Blitz Championship 2023 - O-16 | Queen's Pawn Game: Accelerated London System | |
| Sep 30, 2023 | Skrbec | 0–1 | Grgantov | 22nd European Youth Blitz Championship 2023 - O-16 | Scandinavian Defense | |
| Sep 30, 2023 | Franc | ½–½ | Grgantov | 22nd European Youth Blitz Championship 2023 - O-16 | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Sep 30, 2023 | Fishchuk | 0–1 | Grgantov | 22nd European Youth Blitz Championship 2023 - O-16 | Rapport-Jobava System, with e6 | |
| Aug 9, 2023 | Sakic | ½–½ | Grgantov | 12. Split Open 05.-13.08.2023. | Catalan Opening: Open Defense, Modern Sharp Variation | |
| Aug 8, 2023 | Grgantov | 0–1 | Andersen | 12. Split Open 05.-13.08.2023. | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Aug 7, 2023 | Grgantov | 1–0 | Muha | 12. Split Open 05.-13.08.2023. | Philidor Defense: Lion Variation | |
| Aug 6, 2023 | Kopylov | ½–½ | Grgantov | 12. Split Open 05.-13.08.2023. | Catalan Opening: Open Defense, Modern Sharp Variation | |
| — | Grgantov | ½–½ | Plenca | Split Chess Open 2025 | Sicilian Defense: O'Kelly Variation, Venice System | |
| — | Grgantov | 0–1 | Alonso | Split Chess Open 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Grgantov | 0–1 | Golubovic | Split Chess Open 2025 | Sicilian Defense: Sozin Attack, Leonhardt Variation | |
| — | Bacetic | 0–1 | Grgantov | Split Chess Open 2025 | Catalan Opening: Open Defense | |