| - 1. | European Tour 1 | Hasselt, Belgium | PDC |
| 1. | Development Tour 3 + 4 | Hildesheim, Germany | PDC |
| 1. | SDC Event 2 | Asikkala, Finland | SDC |
| 5. | Premier League Darts 5 | Exeter, England | PDC |
| 6.- 8. | UK Open | Minehead, England | PDC |
| 6.- 8. | West Fries Open and Masters | Hoorn, Netherlands | WDF/BDO |
| 7.- 8. | Greater Vancouver Open | Vancouver, Canada | BDO/WDF |
| 8. | Halifax Open | Halifax, Canada | WDF/BDO |
| 12. | Premier League Darts 6 | Liverpool, England | PDC |
| 12.-15. | Isle of Man Festival | Douglas, Isle of Man | EDO/BDO/WDF |
| 13.- 15. | DDV Ranking Event | Sylt, Germany, cancelled | DDV/WDF |
| 13.-16. | Yorkshire Classic | Turnstall, England | BDO/WDF |
| 13. | European Tour 3+4 - Tour Card Holder Qualifier | Barnsley, England | PDC |
| 14.-15. | Players Championships 7+8 | Barnsley, England | PDC |
| 14.- 15. | Hub City Open | New Brunswick, Canada | BDO/WDF |
| 15.- 23. | Torremolinos Festival of Darts | Torremolinos, Spain, cancelled | WDF/NDFC |
| 19. | Premier League Darts 7 | Newcastle, England, postponed | PDC |
| 20.-22. | European Tour 2 | Sindelfingen, Germany, postponed | PDC |
| 21. | Development Tour 5 + 6 | Wigan, England, postponed | PDC |
| 21. | Gibraltar Open | Gibraltar, postponed | BDO/WDF |
| 22. | Development Tour 7 + 8 | Wigan, England, postponed | PDC |
| 26.-29. | Virginia Beach Classic | Wynham Virginia Beach, USA, postponed | BDO/WDF |
| 27.-29. | European Tour 3 | Leverkusen, Germany, postponed | PDC Europe/PDC |
| 28.- 29. | Four Nations Tournament | Steinfurt, Germany, cancelled | DDV/WDF |
| 28.-29. | Players Championships 9 + 10 | Milton Keynes, England, postponed | PDC |
| 2. | Premier League Darts 8 | Belfast, Northern Ireland, postponed | PDC |
| 3.- 5. | British Internationals | Skegness, England, postponed | BDO/WDF |
| 4.- 5. | Players Championships 11 + 12 | Barnsley, England, postponed | PDC |
| 4.- 5. | Greek/Acropolis Open | Greece, postponed | BDO/WDF |
| 6. | European Tour 5+6 - Euro Tour Card Holder Qualifier | Barnsley, England, postponed | PDC |
| 9. | Premier League Darts | Sheffield, England, postponed | PDC |
| 10.-12. | Iceland Open/Masters | Iceland, postponed | BDO/WDF |
| 11.-13. | European Tour 4 | Muenchen, Germany, postponed | PDC Europe/PDC |
| 11. | Challenge Tour 5 + 6 | Wigan, England, postponed | PDC |
| 12. | Challenge Tour 7 + 8 | Wigan, England, postponed | PDC |
| 16. | Premier League Darts 10 | Cardiff, Wales, postponed | PDC |
| 17.- 19. | Bull's German Open + Masters | Kalkar, Germany, cancelled | DDV/WDF/BDO |
| 17.- 19. | Estonia Open + Estonia Masters | Tallin, Estonia, cancelled | BDO/WDF |
| 17.- 19. | Charlotte Open | Charlotte, USA, postponed | ADO/WDF |
| 17. | European Tour 7 - Euro Tour Card Holder Qualifier | Barnsley, England, postponed | PDC |
| 18.- 19. | Players Championships 13 + 14 | Barnsley, England, postponed | PDC |
| 23. | Premier League Darts 11 | Berlin, Germany, postponed | PDC |
| 24.-26. | DDV Länderpokal King-Cup | Sondershausen, Germany, cancelled | DDV/WDF/BDO |
| 24. -26. | North Island Masters | New Zealand, postponed | NZDC/WDF |
| 25. -26. | DAZN Super League Darts 2 | Germany | PDC Europe |
| 30. | Premier League Darts 12 | Birmingham, England, postponed | PDC |
| 1.- 3. | Denmark Open/Masters | Esbjerg, Denmark, cancelled | BDO/WDF |
| 1.- 4. | European Tour 5 | Graz, Austria, postponed | PDC Europe/PDC |
| 2. | Development Tour 9 + 10 | Wigan, England, postponed | PDC |
| 2. | Cleveland Dart Extravaganza | Cleveland, USA, postponed | ADO/BDO/WDF |
| 3. | Development Tour 11 + 12 | Wigan, England, postponed | PDC |
| 7. | Premier League Darts | Glasgow, Schottland, postponed | PDC |
| 7.- 10. | Welsh Open | Pontis Prestatyn, Nord Wales, cancelled | BDO/WDF |
| 8. -10. | European Tour 6 | Budapest, Hungary, postponed | PDC Europe/PDC |
| 9.- 10. | Lithuanian Open/Vilnius Open | Vilnius, Lithunia, cancelled | BDO/WDF |
| 14. | Premier League Darts | Leeds, England, postponed | PDC |
| 15. | European Tour 8 - Euro Tour Card Holder Qualifier | Barnsley, England, postponed | PDC |
| 15.- 17. | Mill Rythe Spring Festival | Hayling Island, England | BDO/WDF |
| 15.- 17. | Finnish Open/Masters | Vantaa, Finland, cancelled | BDO/WDF |
| 16.-17. | Players Championship 15 + 16 | Barnsley, England, postponed | PDC |
| 21. | Premier League Darts | London, England, postponed | PDC |
| 22.-24. | European Tour 7 | Riesa, Germany, postponed | PDC Europe/PDC |
| 22.-24. | Sunshine State Classic | Queensland, Australia, postponed | D.A./BDO/WDF |
| 22.-24. | Polish Open/Masters | Police, Poland, postponed | BDO/WDF |
| 23.-24. | Mediterranean Open | Türkey | BDO/WDF,postponed |
| 25.-26. | Mediterranean Masters | Türkey | BDO/WDF, postponed |
| 29.-31. | European Tour 2 | Sindelfingen, Germany, postponed | PDC |
| 29.-31. | Slovenia Open | Slowenia, postponed | BDO/WDF |
| 30.-31. | Players Championship 17 + 18 | Hildesheim, Germany, postponed | PDC |
| 31. | Lincolnshire Open | Gainsborough, England | BDO/WDF |
| 5. | North American Championship | New York, USA, postponed | PDC |
| 5.-7. | Swiss Open/Helvetia Open | Oberglatt, Switzerland, cancelled | WDF |
| 5. - 6. | US Masters | New York, USA, postponed | PDC |
| 6. | Challenge Tour 9 + 10 | Wigan, England, postponed | PDC |
| 6. | SDC Event 3 | Copenhagen, Denmark, postponed | SDC |
| 7. | Challenge Tour 11 + 12 | Wigan, England, postponed | PDC |
| 7. | SDC Event 4 | Copenhagen, Denmark, postponed | SDC |
| 12. | England National Singles | Selsey, England | EDO/BDO/WDF |
| 12. -13. | Nordic Darts Masters | Copenhagen, Denmark, postponed | PDC |
| 13. | Cherry Bomb International | Fort Lauderdale, USA, postponed | ADO/BDO/WDF |
| 13. -14. | Players Championship 19 + 20 | Barnsley, England, postponed | PDC |
| 15. | European Tour 9+10 - Tour Card Holder Qualifier | Barnsley, England, postponed | PDC |
| 13.- 14. | England Open | Selsey, England, postponed | EDO/BDO/WDF |
| 15. | European Tour 9 - UK/Euro Tour Card Holder Qualifier | Barnsley, England, postponed | PDC |
| 18. -21. | PDC World Cup | Hamburg, Germany, postponed | PDC |
| 18.- 21. | Six Nations Cup | Renfrew, Scotland | BDO/WDF |
| 19.- 21. | German Masters | Kirchheim, Germany, cancelled | DDV/WDF |
| 19.- 21. | Austrian Open | Wien, Austria, cancelled | BDO/WDF |
| 15.- 17. | Canadian Open | Canada, cancelled | BDO/WDF |
| 18.new | Charlotte Open | Charlotte, USA, new date | ADO/WDF |
| 20. | Development Tour 13 + 14 | Wigan, England, postponed | PDC |
| 21. | Development Tour 15 + 16 | Wigan, England, postponed | PDC |
| 26.- 28. | European Tour 8 | Trier, Germany, postponed | PDC Europe/PDC |
| 28. | LDO Ladies Classic | Gainsborough, England | LDO |
| 1. -2. | Players Championship 21 + 22 | Barnsley, England | PDC |
| 2. | Pacific Masters | Australia, cancelled | D.A./BDO/WDF |
| 7.-9. | European Tour 3 | Leverkusen, Germany, postponed | PDC Europe/PDC |
| 8. | SDC Event 7 | Goetenburg, Sweden, cancelled | SDC |
| 9. | SDC Event 8 | Goetenburg, Sweden, cancelled | SDC |
| 14.- 15. | New South Wales Darts Masters | Wollongong, Australia, postponed | PDC |
| 21.- 22. | NZ Darts Masters | Hamilton, New Zealand, cancelled | PDC |
| 25.new | Premier League Darts | Milton Keynes, England, new date | PDC |
| 26.new | Premier League Darts | Milton Keynes, England, new date | PDC |
| 27.new | Premier League Darts, Judgment Night | Milton Keynes, England,new date | PDC |
| 28.- 29. | Queensland Darts Masters | Townsville, Australia, postponed | PDC |
| 28.new | Premier League Darts | Milton Keynes, England, new date | PDC |
28. | European Tour 11 + 12 - Euro Tour Card Holder Qualifier | Hildesheim, Germany, postponed | PDC |
| 29.new | Premier League Darts | Milton Keynes, England, new date | PDC |
| 30.new | Premier League Darts | Milton Keynes, England, new date | PDC |
| 31. | West Midlands Open | Tipton, England | WDF/BDO |
| 4. -6. | European Tour | Budapest, Hungary, cancelled | PDC Europe/PDC |
| 5.- 6. | Champions League of Darts | Leicester, England, cancelled | PDC |
| 5.-6. | Iceland Open/Masters | Island, cancelled | BDO/WDF |
| 7.-11. | WDF Asia Pacific Cup | Taipeh, China, cancelled | WDF |
| 10.- 13. | England Open/Masters/Classic | Selsey, England, cancelled | EDO/BDO/WDF |
| 11. -13. | European Tour | Jena, Germany, cancelled | PDC Europe/PDC |
| 11.new | WSOD Final Qualifier | Hildesheim, Germany | PDC |
| 12. -16.new | PDC Autumn Series | Hildesheim, Germany | PDC |
| 18.- 20. | World Series of Darts Final | Salzburg, Österreich | PDC |
| 18.- 20. | BDO British Open | Bridlington, England, cancelled | WDF/BDO |
| 25.new | Development Tour 5 + 6 | Barnsley, England, new date | PDC |
| 25.- 27. | European Tour | Gibraltar, cancelled | PDC Europe/PDC |
| 25.- 27.new | European Tour 2 | Hildesheim, Germany, new date | PDC Europe/PDC |
| 26.new | Development Tour 7 + 8 | Barnsley, England, new date | PDC |
| 27.new | Development Tour 9 + 10 | Barnsley, England, new date | PDC |
| 28.new | PDC Unicorn Youth World Championship Last 96 | Barnsley, England, new date | PDC |
| 29. | WDF Europe Cup | Spain, cancelled | WDF |
| - 3. | WDF Europe Cup | Spain, cancelled | WDF |
| 6.-12.new | World Grand Prix | Coventry, England | PDC |
| 9.new | Challenge Tour 5 + 6 | Barnsley, England, new date | PDC |
|
| 10.new | Challenge Tour 7 + 8 | Barnsley, England, new date | PDC |
|
| 11.new | Challenge Tour 9 + 10 | Barnsley, England, new date | PDC |
|
| 14.- 21. | Northern Cyprus Open | Bafra, Cyprus, cancelled | BDO/WDF |
| 15.new | Premier League Darts - Play-Offs | Coventry, England, new date | PDC |
| 16.- 18. | European Tour | Prague, Czech Republic, cancelled | PDC Europe/PDC |
| 16.- 18.new | European Tour | Sindelfingen, Germany, new date | PDC Europe/PDC |
| 16.new | GSOD Women's Qualifier | Cannock, England, new date | PDC |
|
| 17.new | Women's Series 1 + 2 | Cannock, England, new date | PDC |
|
| 17. - 18. | Northern Ireland Open/Matchplay | Newry, Northern Ireland, cancelled | BDO/WDF |
| 18.new | Women's Series 3 + 4 | Cannock, England, new date | PDC |
|
| 18. | Target Korea Open | South Korea | BDO/WDF |
| 23. -24. | Nordic Darts Masters | Copenhagen, Denmark, postponed to 2021 | PDC |
| 23.- 25.new | European Tour | Riesa, Germany, New Date | PDC Europe/PDC |
| 24. | SDC Event 9 | Riga, Latvia, cancelled | SDC |
| 25. | SDC Event 10 | Riga, Latvia, cancelled | SDC |
| 29. - | European Championship | Oberhausen, Germany, New Venue | PDC Europe/PDC |
| 31. | Hungarian Classic | Budapest, Hungary | BDO/WDF |
| - 1. | European Championship | Oberhausen, Germany, New Venue | PDC Europe/PDC |
| 1. | Hungarian Masters | Budapest, Hungary | BDO/WDF |
| 6. -8.new | PDC World Cup | Salzburg, Austria, New Venue | PDC |
| 6.- 8. | South of England Open | Bembridge, Isle of Wight, England, cancelled | BDO/WDF |
| 9.new | Grand Slam Qualifier | Coventry, England, new date | PDC |
| 10. -14.new | PDC Winter Series | Coventry, England | PDC |
| 13.- 15. | Killarney Darts Festival | Killarney, Republic Ireland, cancelled | BDO/WDF |
| 16.- 24.new | Grand Slam | Coventry, England, new date | PDC |
| 20.- 22. | Czech Open | Czech Republic, cancelled | BDO/WDF |
| 27.- 29. | Players Championship Finals | Coventry, England | PDC |
| 28. | Italian Grand Masters | Italy, cencelled | BDO/WDF |
| 29. | Italien Open | Italy, cancelled | BDO/WDF |
| 29. | World Youth Championship Final | Coventry, England | PDC |
| 30.new | PDPA World Championship Qualifier | Coventry, England | PDC |