Gerard Pique believes Rafael Nadal and Novak Djokovic will both play in the reformed Davis Cup next year and has said the door remains open to Roger Federer.
Rafael Nadal headlines the list of players expected to compete at the 2019 Mexican Open in the Pacific resort city of Acapulco.
Djokovic climbed one spot up to second after claiming the Shanghai Masters title for the fourth time in a row.
Novak Djokovic has now been victorious in 18 ATP matches in a row and in recent months won Wimbledon, the Cincinnati Masters, the US Open and now Shanghai for a fourth time.
The 17-time Grand Slam champion has also given shelter to the flood victims in his tennis academy.
The Serbian second seed beats Marco Cecchinato, whom he had lost to in the French Open quarter-finals earlier this year.
Fernando Verdasco has not commented on the incident when he aggressively gesticulated at a ball boy to hurry up during last month's Shenzhen Open in China.
Novak Djokovic and Rafael Nadal have played 52 times against each other with the Serb leading their head-to-head 27-25.
Roger Federer remains behind Nadal with 6,900 points. And in the WTA rankings, Japan's Naomi Osaka jumped two positions to the fourth spot.
Novak Djokovic, who was absent for six months from competition in 2017, has been prolific in 2018.
Nadal had to pull out during his semi-final against Juan Martin del Potro in New York and also missed Spain's Davis Cup defeat by France last weekend.
Novak Djokovic said it's Roger Federer and Rafael Nadal who have made him the player he is.
Novak Djokovic is now just three Grand Slam titles behind Rafael Nadal and six back from Roger Federer.
Djokovic earned a place in the eight-man season-ending tournament being held from November 11-18 at London's O2 Arena.
Novak Djokovic boasts a 14-4 lead over Juan Martin del Potro in a 10-year rivalry, including two wins without dropping a set at the US Open in 2007 and 2012.
Third seed Juan Martin del Potro, the champion in 2009, was 7-6 (7/3), 6-2 ahead when Rafael Nadal retired.
Defending champion Rafael Nadal downed battling ninth seed Dominic Thiem 0-6, 6-4, 7-5, 6-7 (4/7), 7-6 (7/5) to reach the semi-finals for the seventh time.
Defending champion confrontation to defeat battling ninth seed Dominic Thiem 0-6, 6-4, 7-5, 6-7 (4/7), 7-6 (7/5) and reach the semi-finals for the seventh time.