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.
Djokovic climbed one spot up to second after claiming the Shanghai Masters title for the fourth time in a row.
Juan Martin Del Potro, the US Open runner-up to Novak Djokovic this year, hobbled out of the Shanghai Masters last 16 against Borna Coric on Thursday.
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.
Novak Djokovic and Borna Coric kept fans on the edge of their seats with an incredible rally during the first set.
Roger Federer has not been at his best all week, dropping sets in the two opening matches of his wobbly title defence.
Novak Djokovic is in sparkling form, winning Wimbledon, the Cincinnati Masters and US Open in recent months, after having elbow surgery in February.
The Serbian second seed beats Marco Cecchinato, whom he had lost to in the French Open quarter-finals earlier this year.
The hilarious incident that took place during a Shanghai Masters match was caught on camera and quickly went viral.
The 31-year-old Novak Djokovic had to contend with a more stubborn Chardy in the second set.
Novak Djokovic and Rafael Nadal have played 52 times against each other with the Serb leading their head-to-head 27-25.
Novak Djokovic, who was absent for six months from competition in 2017, has been prolific in 2018.
Alexander Zverev came from a set down to beat Kevin Anderson as the Europeans successfully defended the title won in Prague last year.
Team World slashed Europe's overall lead to 7-5 heading into Sunday's third and final day of the 2018 Laver Cup.
The doubles dream team of Roger Federer and Novak Djokovic lost their match but Team Europe still led Team World 3-1 after the first day of Laver Cup.
Serena Williams claimed that chair umpire Carlos Ramos meted out penalties for infractions that male players could have gotten away with.
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.