| Jun 27, 2026 | Guo | 1–0 | Lu | Round 11: Guo, Ziming - Lu, Karson | Catalan Opening: Closed | |
| Jun 26, 2026 | Brentegani | 0–1 | Guo | Round 10: Brentegani, Romeo - Guo, Ziming | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit | |
| Jun 25, 2026 | Movsisyan | 0–1 | Guo | Round 9: Movsisyan, Samvel - Guo, Ziming | Catalan Opening | |
| Jun 24, 2026 | Guo | 0–1 | Lan | Round 8: Guo, Ziming - Lan, Kai Zhou | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Jun 23, 2026 | Li | 1–0 | Guo | FIDE World Cadets Cup, O10 / B1-54 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 21, 2026 | Guo | 1–0 | Leng | Round 6: Guo, Ziming - Leng, Xingjian | Catalan Opening: Open Defense | |
| Jun 20, 2026 | Guo | 1–0 | Vardanyan | Round 5: Guo, Ziming - Vardanyan, Manvel | Semi-Slav Defense | |
| Jun 18, 2026 | Kavish Palaniappan K | 0–1 | Guo | Round 3: Kavish Palaniappan K - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 17, 2026 | Guo | 1–0 | Savenkov | Round 2: Guo, Ziming - Savenkov, Andrey | Queen's Indian Defense: Capablanca Variation | |
| Jun 16, 2026 | Schimming | 0–1 | Guo | Round 1: Schimming, Wilhelm - Guo, Ziming | English Opening: King's English Variation | |
| Jun 10, 2026 | Mani | 1–0 | Guo | Round 4: Mani, Sarbartho - Guo, Ziming | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| May 30, 2026 | Guo | 0–1 | Teng | Round 9: Guo, Ziming - Teng, Jiarong | Catalan Opening: Open Defense | |
| May 30, 2026 | Liu | 0–1 | Guo | Round 8: Liu, Yunpeng - Guo, Ziming | Bogo-Indian Defense: Nimzowitsch Variation | |
| May 30, 2026 | Guo | ½–½ | Yu | Round 7: Guo, Ziming - Yu, Zhenghuan | Semi-Slav Defense | |
| May 30, 2026 | Liu | 0–1 | Guo | Round 6: Liu, Qingyun - Guo, Ziming | Bogo-Indian Defense: Nimzowitsch Variation | |
| May 29, 2026 | Guo | 0–1 | Wang | Round 3: Guo, Ziming - Wang, Fenglin | Indian Defense: Anti-Nimzo-Indian | |
| May 28, 2026 | Guo | ½–½ | Wang | Round 1: Guo, Ziming - Wang, Xuhang | Old Indian Defense | |
| Feb 24, 2026 | Shi | 0–1 | Guo | Round 5: Shi, Hankun(SH) - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Feb 21, 2026 | Guo | 1–0 | Dong | Round 2: Guo, Ziming - Dong, Ruosen | Catalan Opening: Open Defense, Classical Line | |
| Feb 21, 2026 | Guo | ½–½ | Peng | Round 4: Guo, Ziming - Peng, Yicheng(BJ) | Bogo-Indian Defense: Exchange Variation | |
| Feb 21, 2026 | Guo | 1–0 | Hu | Round 6: Guo, Ziming - Hu, Yanyi | King's Indian Defense: Fianchetto Variation, Yugoslav Variation | |
| Feb 21, 2026 | Guo | 1–0 | Wang | Round 8: Guo, Ziming - Wang, Xun | Catalan Opening: Open Defense | |
| Feb 21, 2026 | Guo | 1–0 | Hong | Round 10: Guo, Ziming - Hong, Ruomu | Semi-Slav Defense | |
| Feb 21, 2026 | Hengyi Li | 0–1 | Guo | Round 1: Hengyi Li - Guo, Ziming | Nimzo-Larsen Attack: Indian Variation | |
| Feb 21, 2026 | Chen | 0–1 | Guo | Round 3: Chen, Guanji - Guo, Ziming | Indian Defense: Accelerated London System | |
| Feb 21, 2026 | Zhou | ½–½ | Guo | Round 7: Zhou, Chuanyi - Guo, Ziming | Bogo-Indian Defense: Nimzowitsch Variation | |
| Feb 21, 2026 | Qiao | 0–1 | Guo | Round 9: Qiao, Haoyan - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Feb 21, 2026 | Yuxuan Tao | ½–½ | Guo | Round 11: Yuxuan Tao - Guo, Ziming | Bogo-Indian Defense: Nimzowitsch Variation | |
| Dec 27, 2025 | Guo | ½–½ | Li | Round 9: Guo, Ziming - Li, Ximing | Bogo-Indian Defense: Retreat Variation | |
| Dec 27, 2025 | Cao | 0–1 | Guo | Round 8: Cao, Ban - Guo, Ziming | Sicilian Defense: Closed | |
| Dec 27, 2025 | Guo | 1–0 | Lu | Round 7: Guo, Ziming - Lu, Haoyu | Tarrasch Defense: Classical Variation | |
| Dec 27, 2025 | Liu | ½–½ | Guo | Round 6: Liu, Qingyun - Guo, Ziming | Catalan Opening | |
| Dec 26, 2025 | Guo | 1–0 | Gu | Round 3: Guo, Ziming - Gu, Peizhi | Catalan Opening: Open Defense | |
| Dec 26, 2025 | Zhang | 0–1 | Guo | Round 2: Zhang, Jinghao - Guo, Ziming | Indian Defense | |
| Dec 25, 2025 | Guo | 1–0 | Du | Round 1: Guo, Ziming - Du, Yuxi | Semi-Slav Defense | |
| Dec 25, 2025 | Guo | 0–1 | Wang | Round 5: Guo, Ziming - Wang, Zixuan(HLJ) | Catalan Opening: Open Defense | |
| Dec 25, 2025 | Zhu | 0–1 | Guo | Round 4: Zhu, Diwen - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Oct 26, 2025 | Guo | 0–1 | He | 2025å¹´å
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| Oct 25, 2025 | Wang | 0–1 | Guo | 2025å¹´å
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| Oct 25, 2025 | Guo | 1–0 | Yuan | 2025å¹´å
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| Oct 24, 2025 | Guo | 1–0 | Zhou | 2025å¹´å
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| Oct 24, 2025 | Guo | 1–0 | Zhao | 2025å¹´å
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| Oct 23, 2025 | Zhu | 0–1 | Guo | 2025å¹´å
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| Oct 22, 2025 | Chen | 1–0 | Guo | 2025å¹´å
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| Oct 22, 2025 | Tong | 0–1 | Guo | 2025å¹´å
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| Oct 22, 2025 | Li | 0–1 | Guo | 2025å¹´å
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| Oct 8, 2025 | Wang | ½–½ | Guo | 2025 National Amateur Chess Master Tournament Panjin Station | Indian Defense | |
| Oct 7, 2025 | Guo | 0–1 | Wang | 2025 National Amateur Chess Master Tournament Panjin Station | Benko Gambit Accepted: Modern Variation | |
| Oct 7, 2025 | Shi | 0–1 | Guo | 2025 National Amateur Chess Master Tournament Panjin Station | King's Indian Attack | |
| Oct 7, 2025 | Guo | 1–0 | Zheng | 2025 National Amateur Chess Master Tournament Panjin Station | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Oct 7, 2025 | Fang | 1–0 | Guo | 2025 National Amateur Chess Master Tournament Panjin Station | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Oct 7, 2025 | Guo | ½–½ | Zhang | 2025 National Amateur Chess Master Tournament Panjin Station | Queen's Indian Defense: Classical Variation | |
| Oct 7, 2025 | Jiang | 0–1 | Guo | 2025 National Amateur Chess Master Tournament Panjin Station | Bogo-Indian Defense: Nimzowitsch Variation | |
| Oct 7, 2025 | You | 0–1 | Guo | 2025 National Amateur Chess Master Tournament Panjin Station | Bogo-Indian Defense: Nimzowitsch Variation | |
| Oct 7, 2025 | Guo | 0–1 | Xing | 2025 National Amateur Chess Master Tournament Panjin Station | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Sep 30, 2025 | Sultankhan | ½–½ | Guo | Round 11: Sultankhan, Nurislam - Guo, Ziming | Bogo-Indian Defense: Nimzowitsch Variation | |
| Sep 29, 2025 | Guo | 1–0 | Orman | Round 10: Guo, Ziming - Orman, Attila | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Sep 28, 2025 | Guo | 0–1 | Le Phan Hoang Quan | Round 9: Guo, Ziming - Le Phan Hoang Quan | Catalan Opening | |
| Sep 27, 2025 | Protopopescu | ½–½ | Guo | Round 8: Protopopescu, Luca - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Sep 26, 2025 | Guo | 1–0 | Shi | Round 7: Guo, Ziming - Shi, Sebastian | Catalan Opening: Open Defense, Classical Line | |
| Sep 24, 2025 | Schaefer | 0–1 | Guo | Round 6: Schaefer, Sasha Milo - Guo, Ziming | Nimzo-Indian Defense: Spielmann Variation | |
| Sep 23, 2025 | Guo | 1–0 | Oishik Mondal | Round 5: Guo, Ziming - Oishik Mondal | Benko Gambit Accepted: Modern Variation | |
| Sep 22, 2025 | Altairuly | 0–1 | Guo | Round 4: Altairuly, Almir - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Sep 21, 2025 | Guo | 1–0 | Aman Eraly | Round 3: Guo, Ziming - Aman Eraly | Queen's Gambit Declined | |
| Sep 20, 2025 | Ivanovic | 1–0 | Guo | Round 2: Ivanovic, Leonid - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Jul 31, 2025 | Dang | 0–1 | Guo | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 31, 2025 | Guo | 1–0 | Han | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Benoni Defense: Hromádka System | |
| Jul 2, 2024 | Enkhmandal | 0–1 | Guo | Game 2: Enkhmandal, Bayaraa - Guo, Ziming | Sicilian Defense: Prins Variation | |
| Jul 1, 2024 | Guo | 1–0 | Enkhmandal | Game 1: Guo, Ziming - Enkhmandal, Bayaraa | Catalan Opening: Open Defense, Classical Line | |
| Jun 28, 2024 | Baranov | * | Guo | Round 6: Baranov, Prokhor - Guo, Ziming | Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | |
| Jun 28, 2024 | Stanisic | 0–1 | Guo | Round 6: Stanisic, Lukas - Guo, Ziming | Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | |
| Jun 27, 2024 | Guo | 1–0 | Vahidov | Round 5: Guo, Ziming - Vahidov, Mahir | Catalan Opening: Open Defense | |
| Jun 26, 2024 | Novikov | ½–½ | Guo | Round 4: Novikov, Vladimir Dm - Guo, Ziming | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Jun 25, 2024 | Guo | ½–½ | Berishvili | Round 3: Guo, Ziming - Berishvili, Alexandre | Queen's Gambit Declined | |
| Jun 24, 2024 | Sattwik Swain | 1–0 | Guo | Round 2: Sattwik Swain - Guo, Ziming | Sicilian Defense: Grand Prix Attack | |
| Jun 23, 2024 | Guo | 1–0 | Shahmammadli | Round 1: Guo, Ziming - Shahmammadli, Ramiz | Catalan Opening: Closed | |
| Jun 21, 2024 | Guo | 0–1 | Ulan | Round 7: Guo, Ziming - Ulan, Rizat | King's Indian Defense: Normal Variation | |
| Nov 26, 2024 | Guo | ½–½ | Elemes | Round 11: Guo, Ziming - Elemes, Nurmukhamed | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Nov 25, 2024 | Li | 0–1 | Guo | Round 10: Li, Aiden Linyuan - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Nov 24, 2024 | Guo | 1–0 | Protopopescu | Round 9: Guo, Ziming - Protopopescu, Luca | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Nov 23, 2024 | Demchenko | 0–1 | Guo | Round 8: Demchenko, Timofei - Guo, Ziming | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 22, 2024 | Su | 0–1 | Guo | Round 7: Su, Milo - Guo, Ziming | Sicilian Defense: Closed, Traditional | |
| Nov 20, 2024 | Guo | 1–0 | Cardas | Round 6: Guo, Ziming - Cardas, Serghei | Queen's Gambit Declined | |
| Nov 19, 2024 | Jamiyanoidovjamts | 0–1 | Guo | Round 5: Jamiyanoidovjamts, Tegshtur - Guo, Ziming | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Nov 18, 2024 | Guo | ½–½ | Mankovich | Round 4: Guo, Ziming - Mankovich, Yoav | Benko Gambit Accepted: Modern Variation | |
| Nov 17, 2024 | Saathvik Chakravarthy Ramayanam | 0–1 | Guo | Round 3: Saathvik Chakravarthy Ramayanam - Guo, Ziming | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Nov 16, 2024 | Guo | 0–1 | Bausys | Round 2: Guo, Ziming - Bausys, Benas | Benko Gambit | |
| Nov 15, 2024 | Shroff | 0–1 | Guo | Round 1: Shroff, Dhairya Amit - Guo, Ziming | Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation | |
| — | Guo | ½–½ | Jia | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Catalan Opening: Closed | |
| — | Guo | 1–0 | Cao | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Slav Defense: Czech Variation, Dutch Variation | |
| — | Guo | 1–0 | Ren | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| — | Guo | 0–1 | Wei | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Catalan Opening: Open Defense | |
| — | Guo | 1–0 | Xia | Round 4: Guo, Ziming - Xia, Junhang | Tarrasch Defense: Classical Variation | |
| — | Guo | 0–1 | Wu | Round 7: Guo, Ziming - Wu, Xinliang | Bogo-Indian Defense: Retreat Variation | |
| — | Guo | 1–0 | Wang | Round 8: Guo, Ziming - Wang, Lizhao | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| — | Guo | 1–0 | Bai | Round 9: Guo, Ziming - Bai, Zirui | Indian Defense: Anti-Nimzo-Indian | |
| — | Guo | ½–½ | Liu | 2025 \"the Belt and Road\" China International Chess Open (Bengbu, Anhui) Group B | Catalan Opening: Open Defense | |
| — | Huang | 0–1 | Guo | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Sicilian Defense: Alapin Variation, Barmen Defense | |
| — | Cheng | 1–0 | Guo | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Catalan Opening | |
| — | Xu | ½–½ | Guo | \"Boyi Cup\"China Youth Chess International Open Tournament 2025(Group B) | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |