| Jun 29, 2026 | Kucelj | 0–1 | Strzalkowski | Round 8: Kucelj, Kevin - Strzalkowski, Damian | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jun 28, 2026 | Sobol | 1–0 | Kucelj | Round 7: Sobol, Matvii - Kucelj, Kevin | Sicilian Defense: Four Knights Variation | |
| Jun 27, 2026 | Kucelj | ½–½ | Zelic | Round 6: Kucelj, Kevin - Zelic, Mladen | Zukertort Opening: Dutch Variation | |
| Jun 26, 2026 | Kucelj | 1–0 | Gazic | Round 11: Kucelj, Kevin - Gazic, Petar | Sicilian Defense: Najdorf Variation | |
| Jun 26, 2026 | Grgantov | 1–0 | Kucelj | Round 10: Grgantov, Marin - Kucelj, Kevin | French Defense: Tarrasch Variation | |
| Jun 26, 2026 | Basaric | ½–½ | Kucelj | Round 9: Basaric, Srdjan - Kucelj, Kevin | Sicilian Defense: Closed | |
| Jun 26, 2026 | Kucelj | ½–½ | Begus | Round 8: Kucelj, Kevin - Begus, Drasko | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 26, 2026 | Kalyoncu | 0–1 | Kucelj | Round 7: Kalyoncu, Beren - Kucelj, Kevin | French Defense: Advance Variation, Euwe Variation | |
| Jun 26, 2026 | Kucelj | 1–0 | Dhruvansh Sethi | Round 6: Kucelj, Kevin - Dhruvansh Sethi | French Defense: Classical Variation, Burn Variation, Main Line | |
| Jun 26, 2026 | Biti | 1–0 | Kucelj | Round 5: Biti, Ozren - Kucelj, Kevin | French Defense: King's Indian Attack | |
| Jun 26, 2026 | Kucelj | 1–0 | Aadya Gupta | Round 4: Kucelj, Kevin - Aadya Gupta | King's Gambit Accepted: Modern Defense | |
| Jun 26, 2026 | Kucelj | 0–1 | Krishnater Kushager | Round 2: Kucelj, Kevin - Krishnater Kushager | French Defense: Classical Variation, Burn Variation | |
| Jun 26, 2026 | Novak | ½–½ | Kucelj | Round 3: Novak, Ivo - Kucelj, Kevin | Sicilian Defense: Four Knights Variation | |
| Jun 26, 2026 | Taskiran | 0–1 | Kucelj | Round 1: Taskiran, Huseyin Cagan - Kucelj, Kevin | French Defense: Advance Variation, Euwe Variation | |
| Jun 26, 2026 | Polok | ½–½ | Kucelj | Round 5: Polok, Kacper - Kucelj, Kevin | Sicilian Defense: French Variation, Westerinen Attack | |
| Jun 25, 2026 | Kucelj | 1–0 | White | Round 4: Kucelj, Kevin - White, George | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jun 25, 2026 | Nimac-Kalcina | ½–½ | Kucelj | Round 3: Nimac-Kalcina, Vito - Kucelj, Kevin | French Defense: Tarrasch Variation | |
| May 17, 2026 | Kucelj | ½–½ | Kresic | Round 6: Kucelj, Kevin - Kresic, Vid | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| May 16, 2026 | Kucelj | 0–1 | Machata | Round 5: Kucelj, Kevin - Machata, Martin | Modern Defense: Lizard Defense, Mittenberger Gambit | |
| May 15, 2026 | Krstic | ½–½ | Kucelj | Round 4: Krstic, Uros - Kucelj, Kevin | Sicilian Defense | |
| May 14, 2026 | Zivic | 0–1 | Kucelj | Round 3: Zivic, Luka - Kucelj, Kevin | Sicilian Defense: Wing Gambit Deferred | |
| Jan 30, 2026 | Kucelj | 0–1 | Biti | Round 1: Kucelj, Kevin - Biti, Ozren | Philidor Defense: Lion Variation | |
| Jun 20, 2025 | Kucelj | ½–½ | Nimac-Kalcina | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 19, 2025 | Domic | ½–½ | Kucelj | prvenstvo hrvatske do 15 godima m | Catalan Opening: Open Defense | |
| Jun 19, 2025 | Kucelj | 1–0 | Tadic | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Paulsen-Basman Defense | |
| Jun 17, 2025 | Kucelj | * | Juric | prvenstvo hrvatske do 15 godima m | Caro-Kann Defense: Two Knights Attack | |
| Jun 17, 2025 | Kucelj | 1–0 | Sosic | prvenstvo hrvatske do 15 godima m | Sicilian Defense: Najdorf Variation, Main Line | |
| Jun 17, 2025 | Mandaric | ½–½ | Kucelj | prvenstvo hrvatske do 15 godima m | French Defense: Advance Variation | |
| Jun 17, 2025 | Kucelj | 1–0 | Ferdebar | prvenstvo hrvatske do 15 godima m | Petrov's Defense: Three Knights Game | |
| Jun 17, 2025 | Milanovic Bolfek | 0–1 | Kucelj | prvenstvo hrvatske do 15 godima m | French Defense: Two Knights Variation | |
| Jun 17, 2025 | Malaric | ½–½ | Kucelj | prvenstvo hrvatske do 15 godima m | French Defense: Classical Variation | |
| Jun 27, 2024 | Kucelj | 0–1 | Radalj | Round 8: Kucelj, Kevin - Radalj, Niko | Sicilian Defense: Najdorf Variation, Main Line | |
| Jun 26, 2024 | Kucelj | ½–½ | Petric | Round 6: Kucelj, Kevin - Petric, Roko | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Jun 25, 2024 | Kucelj | 0–1 | Simunkovic | Round 5: Kucelj, Kevin - Simunkovic, Bartol | Sicilian Defense: Najdorf Variation | |
| Jun 24, 2024 | Perak | 0–1 | Kucelj | Round 3: Perak, Matej - Kucelj, Kevin | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 23, 2024 | Gal | ½–½ | Kucelj | Round 4: Gal, Andrej - Kucelj, Kevin | Bogo-Indian Defense: Grünfeld Variation | |
| Sep 30, 2023 | Kucelj | 0–1 | Gal | 22nd European Youth Blitz Championship 2023 - O-14 | Sicilian Defense: Najdorf Variation | |
| Sep 30, 2023 | Kucelj | 0–1 | Ernst | 22nd European Youth Blitz Championship 2023 - O-14 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Aug 6, 2021 | Kucelj | 0–1 | Shuping | World Youth Cup 2021 O12-G16 - Open 12 | English Opening: Agincourt Defense | |
| Aug 6, 2021 | Kucelj | 1–0 | Enoe | World Youth Cup 2021 O12-G16 - Open 12 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 6, 2021 | Kucelj | 0–1 | Chuluunbaatar | World Youth Cup 2021 O12-G16 - Open 12 | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| Aug 6, 2021 | Kucelj | 1–0 | Kyriakides | World Youth Cup 2021 O12-G16 - Open 12 | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| Aug 6, 2021 | Kucelj | 0–1 | Mungal | World Youth Cup 2021 O12-G16 - Open 12 | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Aug 6, 2021 | Arhimow | 1–0 | Kucelj | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Aug 6, 2021 | Keber | 1–0 | Kucelj | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 6, 2021 | Abdullah | 0–1 | Kucelj | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Staunton-Cochrane Variation | |
| Aug 6, 2021 | Rajandu | 0–1 | Kucelj | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Alapin Variation, Sherzer Variation | |
| Aug 6, 2021 | Reyes Rivera | 1–0 | Kucelj | World Youth Cup 2021 O12-G16 - Open 12 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
