While this crisis evolves, maybe worth a dedicated thread for updates, etc?
Here's my sorry starter for ten.
RACING
Behind-closed-doors: All Irish racing will be closed to the public until March 29, starting at Dundalk on Friday March 13
Behind-closed-doors: Dubai World Cup, Saturday March 21
FOOTBALL
Suspended: All English football until April 3 - Premier League, EFL, FA Cup, Women's Super League, FA Women’s Championship
Suspended: All Scottish football until further notice
Postponed: All Champions League and Europa League matches until further notice
Cancelled: Friendly - England v Italy, March 27
Cancelled: Friendly - England v Denmark, March 31
Postponed: All Italian football until at least April 2
Postponed: German league football (Divisions one and two) until April 2
Postponed: Champions League - Manchester City v Real Madrid, Tuesday March 17
Suspended: Spain's LaLiga suspended for "at least the next two rounds of matches"
Suspended: Portugal League until further notice
Postponed: Spanish Cup final - Athletic Bilbao v Real Sociedad, on April 18
Suspended: Major League Soccer suspension of matches for 30 days
Postponed: Wales v United States, which was scheduled for March 30 in Cardiff
Postponed: Liverpool charity match between a Reds Legends side and Barcelona Legends, due to be played at Anfield on March 28
Suspended: Danish Football League for two weeks
Postponed: Conmebol qualifiers, including Brazil, Argentina and Uruguay, due to take place between 23-31 March for the 2022 World Cup.
Postponed: French League Cup final - Paris St Germain v Lyon, on April 4
Behind-closed-doors: Poland's top-flight the Ekstraklasa until further notice.
Suspended: Japan's J League suspended until at least April 3
Postponed: The Asian qualifiers for the Qatar World Cup in 2022, due to be played on 23-31 March and 1-9 June
GOLF
Postponed: The Masters, April 9-12
Cancelled: PLAYERS Championship - cancelled after round one
Cancelled: All PGA Tour events up to the Valero Texas Open
Postponed: European Tour's Hero Indian Open due, March 19-22
Postponed: European Tour's Kenya Open, March 12-15
Cancelled: The Czech Masters, scheduled from August 20-23
Cancelled: Kenya Open
Cancelled: Maybank Championship
Cancelled: China Open
Postponed: Women's first major of the year, the ANA Inspiration
DARTS
Rearranged: Premier League double-header in Rotterdam from March 25/26 to September 9/10
Cancelled: European Darts Grand Prix (ET2), March 20-22 in Sindelfingen
Cancelled: European Darts Open (ET3), March 27-29 in Leverkusen
Cancelled: German Darts Grand Prix (ET4), April 11-13 in Munich
RUGBY UNION
Postponed: Six Nations - Italy v England, Saturday March 14
Postponed: Six Nations - France v Ireland, Saturday March 14
Postponed: Six Nations - Ireland v Italy, March 7
Postponed: Women's Six Nations - Wales v Scotland, March 15
Postponed: Women's Six Nations - France v Ireland, March 15
Postponed: Women's Six Nations - Italy v England, March 15
Postponed: Women's Six Nations - Scotland v France, March 7
Postponed: Women's Six Nations - Italy v Scotland, February 23
Postponed: Women's Six Nations - Ireland v Italy, March 8
Suspended: Guinness PRO14 season
RUGBY LEAGUE
Postponed: Super League - Catalans Dragons and Leeds Rhinos, Saturday March 21
TENNIS
Cancelled: Miami Open
Suspended: ATP tournaments six-week suspension until April 20 at the earliest
Suspended: The International Tennis Federation suspension of tournaments until April 20 at the earliest
Cancelled: The Volvo Car Open in Charleston, April 4-12.
Cancelled: The WTA Copa Colsanitas in Bogota
Cancelled: WTA 125k event in Guadalajara
Postponed: The Fed Cup finals in Budapest from 14-18 April and other Fed Cup play-offs ties on the weekend of 17 and 18 April
CRICKET
Cancelled: England's tour of Sri Lanka
Delayed: Indian Premier League start has been postponed from March 29 to April 15
Behind-closed-doors: India and South Africa two ODI's
Behind-closed-doors: Australia and New Zealand three ODI's
SNOOKER
Cancelled: China Open, scheduled to start in Beijing at the end of March
Reduced capacity: Attendance for Gibraltar Open limited to 100 people.
MOTORSPORT
Postponed: Formula One Australian Grand Prix, April 15
Postponed: Formula One China Grand Prix, April 19
Postponed: Bahrain Grand Prix, March 22
Postponed: Vietnam Grand Prix, April 5
Cancelled: Formula E race in Jakarta on 6 June
Postponed: Formula E race, The Rome E-Prix, scheduled for 4 April.
Cancelled: MotoGP Qatar race
Postponed: MotoGP season races in Thailand, the United States and Argentina
Postponed: World Superbike Spanish round of the series, scheduled for 27-29 March, postponed until 23-25 October
Behind-closed-doors: Nascar race events in Atlanta, March 15, and Miami, March 22
BOXING
Postponed: Vacant interim WBA World Lightweight Title - Francesco Patera vs Devis Boschiero, on 27 March in Verona, Italy.
Cancelled: Michael Conlan v Belmar Preciado at Madison Square Garden on St Patrick's Day
BASKETBALL
Suspended: NBA season until further notice
Suspended: EuroLeague Basketball suspended until further notice due to the outbreak
Suspended: International Basketball Federation suspends all competitions from 13 March
ICE HOCKEY
Suspended: NHL season until further notice
Cancelled: Great Britain v Poland, due to take place on 17 and 18 April
Cancelled: The 2020 IIHF Women's World Championship, due to be held in Canada between 31 March and 10 April
BASEBALL
Delayed: Start of MLB season delayed by at least two weeks and spring training games cancelled.
Postponed: Start of Japanese professional baseball league season, scheduled for 20 March.
ATHLETICS
Postponed: The London Marathon has been postponed until October 4.
Postponed: The Barcelona Marathon, which was scheduled for 15 March, has been postponed until 25 October
Postponed: The World Athletics Half Marathon Championships in Gdynia, Poland, which were to be held on 29 March, are postponed until 17 October
Cancelled: The World Indoor Championships, Nanjing in China.
Postponed: The Paris Marathon, which was due to take place on April 5, has been postponed until October 18
Posponed: The Boston Marathon, scheduled for April 20, will take place on September 14
Cancelled: The Rome Marathon, scheduled for March 29
Moved: The International Triathlon Union has moved the 2020 ITU Paratriathlon World Championships, planned for May 2, from Milan to Montreal
CYCLING
Postponed: One-day classic Milan-San Remo, scheduled for Saturday 21 March
HOCKEY
Cancelled: Great Britain men's and women's hockey squads, South Africa training camp cancelled
CURLING
Cancelled: The World Women's Curling Championship, due to take place between 14 and 22 March
GYMNASTICS
Postponed: The International Gymnastics Federation postpones three World Cup competitions until June.
Behind-closed-doors: The Gymnastics World Cup event in Doha, Qatar, between 18-21 March
ROWING
Cancelled: Two World Rowing Cups, the European Olympic and Paralympic Qualification Regatta and the final Paralympic Qualification Regatta, all due to be held in Italy between 10 April-May 10
TABLE TENNIS
Postponed: International Table Tennis Federation's April World Tour Japan Open
WINTER SPORT
Cancelled: GB Alpine Championships 2020, which were due to be held in Tignes, France between 29 March and 10 April.
Cancelled: The Alpine Skiing World Cup finals scheduled for 18-22 March in Cortina d'Ampezzo, Italy
Cancelled: The World Short Track Speed Skating Championships, March 13-15
Cancelled: The World Figure Skating Championships in Quebec, March 16-22
Here's my sorry starter for ten.
RACING
Behind-closed-doors: All Irish racing will be closed to the public until March 29, starting at Dundalk on Friday March 13
Behind-closed-doors: Dubai World Cup, Saturday March 21
FOOTBALL
Suspended: All English football until April 3 - Premier League, EFL, FA Cup, Women's Super League, FA Women’s Championship
Suspended: All Scottish football until further notice
Postponed: All Champions League and Europa League matches until further notice
Cancelled: Friendly - England v Italy, March 27
Cancelled: Friendly - England v Denmark, March 31
Postponed: All Italian football until at least April 2
Postponed: German league football (Divisions one and two) until April 2
Postponed: Champions League - Manchester City v Real Madrid, Tuesday March 17
Suspended: Spain's LaLiga suspended for "at least the next two rounds of matches"
Suspended: Portugal League until further notice
Postponed: Spanish Cup final - Athletic Bilbao v Real Sociedad, on April 18
Suspended: Major League Soccer suspension of matches for 30 days
Postponed: Wales v United States, which was scheduled for March 30 in Cardiff
Postponed: Liverpool charity match between a Reds Legends side and Barcelona Legends, due to be played at Anfield on March 28
Suspended: Danish Football League for two weeks
Postponed: Conmebol qualifiers, including Brazil, Argentina and Uruguay, due to take place between 23-31 March for the 2022 World Cup.
Postponed: French League Cup final - Paris St Germain v Lyon, on April 4
Behind-closed-doors: Poland's top-flight the Ekstraklasa until further notice.
Suspended: Japan's J League suspended until at least April 3
Postponed: The Asian qualifiers for the Qatar World Cup in 2022, due to be played on 23-31 March and 1-9 June
GOLF
Postponed: The Masters, April 9-12
Cancelled: PLAYERS Championship - cancelled after round one
Cancelled: All PGA Tour events up to the Valero Texas Open
Postponed: European Tour's Hero Indian Open due, March 19-22
Postponed: European Tour's Kenya Open, March 12-15
Cancelled: The Czech Masters, scheduled from August 20-23
Cancelled: Kenya Open
Cancelled: Maybank Championship
Cancelled: China Open
Postponed: Women's first major of the year, the ANA Inspiration
DARTS
Rearranged: Premier League double-header in Rotterdam from March 25/26 to September 9/10
Cancelled: European Darts Grand Prix (ET2), March 20-22 in Sindelfingen
Cancelled: European Darts Open (ET3), March 27-29 in Leverkusen
Cancelled: German Darts Grand Prix (ET4), April 11-13 in Munich
RUGBY UNION
Postponed: Six Nations - Italy v England, Saturday March 14
Postponed: Six Nations - France v Ireland, Saturday March 14
Postponed: Six Nations - Ireland v Italy, March 7
Postponed: Women's Six Nations - Wales v Scotland, March 15
Postponed: Women's Six Nations - France v Ireland, March 15
Postponed: Women's Six Nations - Italy v England, March 15
Postponed: Women's Six Nations - Scotland v France, March 7
Postponed: Women's Six Nations - Italy v Scotland, February 23
Postponed: Women's Six Nations - Ireland v Italy, March 8
Suspended: Guinness PRO14 season
RUGBY LEAGUE
Postponed: Super League - Catalans Dragons and Leeds Rhinos, Saturday March 21
TENNIS
Cancelled: Miami Open
Suspended: ATP tournaments six-week suspension until April 20 at the earliest
Suspended: The International Tennis Federation suspension of tournaments until April 20 at the earliest
Cancelled: The Volvo Car Open in Charleston, April 4-12.
Cancelled: The WTA Copa Colsanitas in Bogota
Cancelled: WTA 125k event in Guadalajara
Postponed: The Fed Cup finals in Budapest from 14-18 April and other Fed Cup play-offs ties on the weekend of 17 and 18 April
CRICKET
Cancelled: England's tour of Sri Lanka
Delayed: Indian Premier League start has been postponed from March 29 to April 15
Behind-closed-doors: India and South Africa two ODI's
Behind-closed-doors: Australia and New Zealand three ODI's
SNOOKER
Cancelled: China Open, scheduled to start in Beijing at the end of March
Reduced capacity: Attendance for Gibraltar Open limited to 100 people.
MOTORSPORT
Postponed: Formula One Australian Grand Prix, April 15
Postponed: Formula One China Grand Prix, April 19
Postponed: Bahrain Grand Prix, March 22
Postponed: Vietnam Grand Prix, April 5
Cancelled: Formula E race in Jakarta on 6 June
Postponed: Formula E race, The Rome E-Prix, scheduled for 4 April.
Cancelled: MotoGP Qatar race
Postponed: MotoGP season races in Thailand, the United States and Argentina
Postponed: World Superbike Spanish round of the series, scheduled for 27-29 March, postponed until 23-25 October
Behind-closed-doors: Nascar race events in Atlanta, March 15, and Miami, March 22
BOXING
Postponed: Vacant interim WBA World Lightweight Title - Francesco Patera vs Devis Boschiero, on 27 March in Verona, Italy.
Cancelled: Michael Conlan v Belmar Preciado at Madison Square Garden on St Patrick's Day
BASKETBALL
Suspended: NBA season until further notice
Suspended: EuroLeague Basketball suspended until further notice due to the outbreak
Suspended: International Basketball Federation suspends all competitions from 13 March
ICE HOCKEY
Suspended: NHL season until further notice
Cancelled: Great Britain v Poland, due to take place on 17 and 18 April
Cancelled: The 2020 IIHF Women's World Championship, due to be held in Canada between 31 March and 10 April
BASEBALL
Delayed: Start of MLB season delayed by at least two weeks and spring training games cancelled.
Postponed: Start of Japanese professional baseball league season, scheduled for 20 March.
ATHLETICS
Postponed: The London Marathon has been postponed until October 4.
Postponed: The Barcelona Marathon, which was scheduled for 15 March, has been postponed until 25 October
Postponed: The World Athletics Half Marathon Championships in Gdynia, Poland, which were to be held on 29 March, are postponed until 17 October
Cancelled: The World Indoor Championships, Nanjing in China.
Postponed: The Paris Marathon, which was due to take place on April 5, has been postponed until October 18
Posponed: The Boston Marathon, scheduled for April 20, will take place on September 14
Cancelled: The Rome Marathon, scheduled for March 29
Moved: The International Triathlon Union has moved the 2020 ITU Paratriathlon World Championships, planned for May 2, from Milan to Montreal
CYCLING
Postponed: One-day classic Milan-San Remo, scheduled for Saturday 21 March
HOCKEY
Cancelled: Great Britain men's and women's hockey squads, South Africa training camp cancelled
CURLING
Cancelled: The World Women's Curling Championship, due to take place between 14 and 22 March
GYMNASTICS
Postponed: The International Gymnastics Federation postpones three World Cup competitions until June.
Behind-closed-doors: The Gymnastics World Cup event in Doha, Qatar, between 18-21 March
ROWING
Cancelled: Two World Rowing Cups, the European Olympic and Paralympic Qualification Regatta and the final Paralympic Qualification Regatta, all due to be held in Italy between 10 April-May 10
TABLE TENNIS
Postponed: International Table Tennis Federation's April World Tour Japan Open
WINTER SPORT
Cancelled: GB Alpine Championships 2020, which were due to be held in Tignes, France between 29 March and 10 April.
Cancelled: The Alpine Skiing World Cup finals scheduled for 18-22 March in Cortina d'Ampezzo, Italy
Cancelled: The World Short Track Speed Skating Championships, March 13-15
Cancelled: The World Figure Skating Championships in Quebec, March 16-22