| Jun 30, 2026 | Delgado Ramirez | 1–0 | Van Riemsdijk | X Caioba STD | Sicilian Defense: Four Knights Variation | |
| Jun 27, 2026 | De Oliveira | 1–0 | Van Riemsdijk | X Caioba RPD | Nimzo-Indian Defense: Rubinstein System | |
| Jun 27, 2026 | Van Riemsdijk | 0–1 | Acosta | X Caioba RPD | Sicilian Defense: Kan Variation | |
| Jun 27, 2026 | Bachmann | 1–0 | Van Riemsdijk | X Caioba RPD | Zukertort Opening | |
| Nov 1, 2025 | Van Riemsdijk | ½–½ | Sieiro Gonzalez | Round 11: Van Riemsdijk, Herman C. - Sieiro Gonzalez, Luis | Tarrasch Defense: Classical Variation | |
| Oct 31, 2025 | Baimurzin | 0–1 | Van Riemsdijk | Round 10: Baimurzin, Aitkazy - Van Riemsdijk, Herman C. | King's Indian Attack: Double Fianchetto | |
| Oct 30, 2025 | Van Riemsdijk | 1–0 | Jaderberg | Round 9: Van Riemsdijk, Herman C. - Jaderberg, Bjorn | French Defense: Rubinstein Variation, Blackburne Defense | |
| Oct 29, 2025 | Campora | 1–0 | Van Riemsdijk | Round 8: Campora, Daniel H. - Van Riemsdijk, Herman C. | King's Indian Attack: Double Fianchetto | |
| Oct 28, 2025 | Van Riemsdijk | 1–0 | Mangubat | Round 7: Van Riemsdijk, Herman C. - Mangubat, Mario | French Defense: Winawer Variation, Retreat Variation | |
| Oct 26, 2025 | Legky | 1–0 | Van Riemsdijk | Round 6: Legky, Nikolay A - Van Riemsdijk, Herman C. | Rapport-Jobava System | |
| Oct 25, 2025 | Van Riemsdijk | 1–0 | Fayard | Round 5: Van Riemsdijk, Herman C. - Fayard, Alain | Ruy Lopez: Closed, Bogoljubow Variation | |
| Oct 24, 2025 | Sturua | 1–0 | Van Riemsdijk | Round 4: Sturua, Zurab - Van Riemsdijk, Herman C. | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense | |
| Oct 23, 2025 | Van Riemsdijk | 1–0 | Markzon | Round 3: Van Riemsdijk, Herman C. - Markzon, Gregory | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Oct 22, 2025 | Montero Martinez | 0–1 | Van Riemsdijk | Round 2: Montero Martinez, Cristhian - Van Riemsdijk, Herman C. | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Oct 21, 2025 | Van Riemsdijk | 1–0 | Bekentayev | Round 1: Van Riemsdijk, Herman C. - Bekentayev, Uran | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 14, 2025 | Song | 1–0 | Van Riemsdijk | Bob Wade Masters | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 13, 2025 | Van Riemsdijk | 0–1 | Croad | Bob Wade Masters | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Jan 13, 2025 | Gong | ½–½ | Van Riemsdijk | Bob Wade Masters | Indian Defense | |
| Jan 9, 2025 | Mao | 0–1 | Van Riemsdijk | New Zealand Chess Congress 2025 | Benoni Defense: Benoni-Indian Defense | |
| Jan 8, 2025 | Jin | 1–0 | Van Riemsdijk | New Zealand Chess Congress 2025 | English Opening: Symmetrical Variation | |
| Jan 7, 2025 | Van Riemsdijk | ½–½ | Young | New Zealand Chess Congress 2025 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jan 6, 2025 | Gong | 1–0 | Van Riemsdijk | New Zealand Chess Congress 2025 | Benoni Defense: Benoni-Indian Defense | |
| Jan 4, 2025 | Van Riemsdijk | 1–0 | Yu | New Zealand Chess Congress 2025 | Sicilian Defense: Najdorf Variation | |
| Jan 3, 2025 | Van Meter | 0–1 | Van Riemsdijk | New Zealand Chess Congress 2025 | Catalan Opening: Open Defense, Classical Line | |
| Jan 2, 2025 | Van Riemsdijk | ½–½ | Xie | New Zealand Chess Congress 2025 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jan 2, 2025 | Van Riemsdijk | ½–½ | Ang | New Zealand Chess Congress 2025 | Rat Defense: Accelerated Gurgenidze | |
| Jan 2, 2025 | Van Riemsdijk | 1–0 | Forster | New Zealand Chess Congress 2025 | Ruy Lopez: Closed, Bogoljubow Variation | |
| Jan 19, 2025 | Van Riemsdijk | ½–½ | Zhao | Round 9: Van Riemsdijk, Herman C. - Zhao, Zong-Yuan | Sicilian Defense: Najdorf Variation | |
| Jan 18, 2025 | Chen | ½–½ | Van Riemsdijk | Round 8: Chen, Yining - Van Riemsdijk, Herman C. | Queen's Indian Defense: Petrosian Variation, Farago Defense | |
| Jan 17, 2025 | Van Riemsdijk | 0–1 | Xie | Round 6: Van Riemsdijk, Herman C. - Xie, Felix | Sicilian Defense: French Variation | |
| Jan 17, 2025 | Renjith | ½–½ | Van Riemsdijk | Round 7: Renjith, Sravan - Van Riemsdijk, Herman C. | Réti Opening: Advance Variation | |
| Jan 16, 2025 | Middelburg | 1–0 | Van Riemsdijk | Round 5: Middelburg, Tom - Van Riemsdijk, Herman C. | Ruy Lopez: Closed, Delayed Exchange | |
| Jan 15, 2025 | Van Riemsdijk | 0–1 | Nagy | Round 4: Van Riemsdijk, Herman C. - Nagy, Gabor | Sicilian Defense: Godiva Variation | |
| Jan 12, 2025 | Van Riemsdijk | 0–1 | McDougall | Round 5: Van Riemsdijk, Herman C. - McDougall, Euan | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jan 12, 2025 | Van Riemsdijk | 1–0 | Snegirev | Round 7: Van Riemsdijk, Herman C. - Snegirev, Sergey | Sicilian Defense: Najdorf Variation | |
| Jan 12, 2025 | Van Riemsdijk | 1–0 | Sole | Round 9: Van Riemsdijk, Herman C. - Sole, Michael D | Sicilian Defense: Classical Variation, Anti-Sozin Variation | |
| Jan 12, 2025 | Xu | 0–1 | Van Riemsdijk | Round 6: Xu, Jeremy Xi - Van Riemsdijk, Herman C. | Benko Gambit Declined: Main Line | |
| Jan 12, 2025 | Zhu | 0–1 | Van Riemsdijk | Round 8: Zhu, David Junyang - Van Riemsdijk, Herman C. | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 11, 2025 | Van Riemsdijk | 1–0 | Muthukumaran | Round 1: Van Riemsdijk, Herman C. - Muthukumaran, Sriram | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Jan 11, 2025 | Van Riemsdijk | ½–½ | Tew | Round 3: Van Riemsdijk, Herman C. - Tew, Yao Zen Markis | Caro-Kann Defense: Tartakower Variation | |
| Jan 11, 2025 | Brockway | 0–1 | Van Riemsdijk | Round 2: Brockway, Andrew - Van Riemsdijk, Herman C. | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Jan 11, 2025 | Wright | 0–1 | Van Riemsdijk | Round 4: Wright, Caleb - Van Riemsdijk, Herman C. | Benoni Defense: Old Benoni | |
| Jun 30, 2024 | Van Riemsdijk | ½–½ | Matsuura | Round 9: Van Riemsdijk, Herman C. - Matsuura, Everaldo | Ruy Lopez: Closed, Anti-Marshall | |
| Jun 29, 2024 | Van Riemsdijk | 1–0 | Lage | Round 8: Van Riemsdijk, Herman C. - Lage, Pedro Ferreira | French Defense: Winawer Variation, Advance Variation | |
| Jun 28, 2024 | Sunye Neto | ½–½ | Van Riemsdijk | Round 7: Sunye Neto, Jaime - Van Riemsdijk, Herman C. | Catalan Opening: Open Defense, Classical Line | |
| Oct 26, 2023 | Kassymov | * | Van Riemsdijk | 65+ World Senior Championship | ? | |
| Oct 25, 2023 | Van Riemsdijk | * | Alquist | 65+ World Senior Championship | ? | |