| Jun 30, 2026 | Tomas | ½–½ | Sekelja | Round 9: Tomas, Ante - Sekelja, Marko | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jun 29, 2026 | Sekelja | 0–1 | Enkhnar | Round 8: Sekelja, Marko - Enkhnar, Enkhbaatar | Pseudo Queen's Indian Defense | |
| Jun 28, 2026 | Sekelja | 1–0 | Gelle | Round 7: Sekelja, Marko - Gelle, Istvan | Caro-Kann Defense: Exchange Variation | |
| Jun 27, 2026 | Vucenovic | 0–1 | Sekelja | Round 6: Vucenovic, Damian - Sekelja, Marko | Caro-Kann Defense: Classical Variation | |
| Jun 26, 2026 | Kanceljak | 0–1 | Sekelja | Round 11: Kanceljak, Dalia - Sekelja, Marko | Caro-Kann Defense | |
| Jun 26, 2026 | Aadya Gupta | ½–½ | Sekelja | Round 10: Aadya Gupta - Sekelja, Marko | Slav Defense: Modern Line | |
| Jun 26, 2026 | Sekelja | 0–1 | Kosovic | Round 9: Sekelja, Marko - Kosovic, Miroslav | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 26, 2026 | Lesic | 1–0 | Sekelja | Round 8: Lesic, Krunoslav - Sekelja, Marko | Caro-Kann Defense: Advance Variation, Prins Attack | |
| Jun 26, 2026 | Mirosevic | 1–0 | Sekelja | Round 6: Mirosevic, Lovre - Sekelja, Marko | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jun 26, 2026 | Sekelja | 0–1 | Zubic | Round 5: Sekelja, Marko - Zubic, Aleksandar | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 26, 2026 | Vucenovic | 1–0 | Sekelja | Round 4: Vucenovic, Damian - Sekelja, Marko | Caro-Kann Defense: Exchange Variation | |
| Jun 26, 2026 | Zovko | 0–1 | Sekelja | Round 2: Zovko, Mario - Sekelja, Marko | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jun 26, 2026 | Sekelja | 0–1 | Enkhnar | Round 3: Sekelja, Marko - Enkhnar, Enkhbaatar | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 25, 2026 | Sekelja | 0–1 | Maier | Round 3: Sekelja, Marko - Maier, Christian | Ruy Lopez: Closed, Flohr System | |
| Jun 24, 2026 | Zovko | ½–½ | Sekelja | Round 2: Zovko, Mario - Sekelja, Marko | Zukertort Opening | |
| Dec 23, 2025 | Bratosevic | 0–1 | Sekelja | Round 11: Bratosevic, Mladen - Sekelja, Marko | Semi-Slav Defense | |
| Dec 23, 2025 | Milosavljevic | 0–1 | Sekelja | Round 10: Milosavljevic, Jovan - Sekelja, Marko | Slav Defense: Modern Line | |
| Dec 23, 2025 | Sekelja | 0–1 | Begic | Round 9: Sekelja, Marko - Begic, Domagoj | Ruy Lopez: Morphy Defense | |
| Dec 23, 2025 | Sekelja | 1–0 | Kurtovic | Round 8: Sekelja, Marko - Kurtovic, Darko | French Defense: Advance Variation, Main Line | |
| Dec 23, 2025 | Kalinski | 0–1 | Sekelja | Round 7: Kalinski, Krunoslav - Sekelja, Marko | Nimzo-Larsen Attack | |
| Dec 23, 2025 | Sekelja | 0–1 | Petric | Round 5: Sekelja, Marko - Petric, Roko | Sicilian Defense: Smith-Morra Gambit Declined, Center Formation | |
| Dec 23, 2025 | Sekelja | 1–0 | Mimica | Round 3: Sekelja, Marko - Mimica, Matija | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 21, 2025 | Plenkovic | 1–0 | Sekelja | Round 4: Plenkovic, Zdenko - Sekelja, Marko | Hungarian Opening: Slav Formation | |
| May 8, 2024 | Sekelja | 0–1 | Predojevic | Round 1: Sekelja, Marko - Predojevic, Borki | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| May 22, 2022 | Sekelja | 0–1 | Sale | Croatian Club Cup Final | Modern Defense | |
| May 20, 2022 | Sinanovic | ½–½ | Sekelja | Croatian Club Cup Final | King's Indian Attack: Yugoslav Variation | |
| May 19, 2022 | Saric | 1–0 | Sekelja | Croatian Club Cup Final | Zukertort Opening | |