The Riga Open is a 100-square draughts tournament held in Riga, Latvia. Originally established in 1989 as the Andreiko Memorial, the tournament was held three times under its initial name. In 2014, the event was rebranded and is now known as the Riga Open.
| Year | Category | 1st | 2nd | 3rd |
|---|---|---|---|---|
| 2026 | Open | 1.Jan Groenendijk GMI NL | 2.Guntis Valneris GMI LV | 3.Wouter Sipma GMI NL |
| 2026 | Women | 1.Alise Misane MFF LV | 2.Viktoriya Motrichko MI UA | 3.Natalia Sadowska MI PL |
| 2025 | Open | 1.Guntis Valneris GMI LV | 2.Jitse Slump GMI | 3.Klavs Norenbergs MF LV |
| 2025 | Women | 1.Kateryna Musiienko MFF UA | 2.Viktoriya Motrichko MI UA | 3.Lisa Sholtens MIF NL |
| 2024 | Open | 1.Wouter Sipma GMI NL | 2.Jitse Slump GMI NL | 3.Guntis Valneris GMI LV |
| 2024 | Women | 1.Viktoriya Motrichko MI UA | 2.Kateryna Musiienko UA | 3.Lisa Sholtens MIF NL |
| 2023 | Men | 1.Jan Groenendijk GMI NL | 2.Wouter Sipma GMI NL | 3.Raimonds Vipulis GMI LV |
| 2023 | Women | 1.Viktoriya Motrichko MI UA | 2.Natalia Sadowska MI PL | 3.Anastasiya Glushko CMFF UA |
| 2022 | Men | 1.Roel Boomstra GMI NL | 2.Artem Ivanov GMI UA | 3.Martijn Van IJzendoorn GMI NL |
| 2022 | Women | 1.Natalia Sadowska MI PL | 2.Yuliia Makarenkova MIF UA | 3.Olga Baltazhy MF UA |
| 2019 | Men | 1.Alexander Georgiev GMI RU | 2.Alexander Shvartsman GMI RU | 3.Vadim Virny GMI DE |
| 2019 | Women | 1.Arleta Flisikowska MFF PL | 2.Yuliia Makarenkova MFF UA | 3.Olga Fedorovich GMIF BY |
| 2018 | Open | 1.Elena Cesnokova MF LV | 2.Ivan Trubnikau BY | 3.Gunars Zalitis MF LV |
| 2018 | Women | 1.Elena Cesnokova MF LV | 2.Olga Fedorovich GMIF BY | 3.Darja Fedorovich MIF BY |
| 2017 | Open | 1. Matthias de Kruijf NL | 2.Andrey Kalmakov GMI RU | 3.Alexey Domchev GMI LT |
| 2017 | Women | 1.Viktoriya Motrichko GMIF UA | 2.Darja Fedorovich MIF BY | 3.Olga Fedorovich GMIF BY |
| 2016 | Open | 1.Edward Buzhinski GMI LT | 2.Guntis Valneris GMI LV | 3.-4. Raimonds Vipulis GMI LV, Uladzislau Splendzer MF BY |
| 2016 | Women | 1.Elena Cesnokova MFF LV | 2.Olga Balukova RU | 3.Viktoriya Motrichko GMIF UA |
| 2014 | Open | 1.Laimonis Zalitis GMI LV | 2.Edward Buzhinski GMI LT | 3.Raivis Paegle MF LV |
| 2014 | Women | 1.Olga Sadovskaja MIF LV | 2.Elena Cesnokova MFF LV | 3.Maria Magdalena Nereda LV |
| 2002 | Open | 1.Alexander Georgiev GMI RU | 2.Alexander Getmanski GMI RU | 3.Igor Kizner GMI UA |
| 2002 | Women | 1.Zoja Golubeva GMIF LV | 2.Vitalia Doumesh MIF NL | 3.Olga Baltazhy MIF UA |
| 1993 | Open | 1.Alexander Shvartsman GMI RU | 2.Guntis Valneris GMI LV | 3.Laimonis Zalitis MI LV |
| 1989 | Open | 1.Guntis Valneris GMI LV | 2.-3. Anatoli Gantvarg GMI BY, Vadim Virny GMI DE |