Sunday should have marked the start of the French Open, and its postponement hit home for players including Rafael Nadal and Coco Gauff.
Rod Laver described Ashley Cooper as "a wonderful champion" after the former Australian Open, US Open and Wimbledon winner died at 83.
After Kobe Bryant and his daughter died in a helicopter crash on Sunday, tributes have poured in.
As Rafael Nadal moved into his 27th grand slam final, the US Open honoured another legend of the sport.
Rod Laver thinks 2019 could see Novak Djokovic join him and Don Budge as the only men to win all four majors in the same year.
The Laver Cup, an event which features players from Europe take on a team from the rest of the world, has been added to the ATP World Tour.