rankings
ATP Rankings – top 50 debut for Holger Rune (45) and Sebastian Baez (40), career-high for Tiafoe (25)
Holger Rune joins fellow teenager in the top 50 thanks to his title in Munich. See which other ATP players are making career-high rankings this week
WTA Rankings – Badosa climbs to No 2 while Swiatek affirms No 1 status
By reaching the semi-finals at Stuttgart last week, Spain's Paula Badosa leapfrogged Barbora Krejcikova to crack the WTA's top-2 for the first time.
WTA rankings – indoor queen Kontaveit cracks career high
Anett Kontaveit's latest indoor title has taken her to a new perch in the WTA rankings. See who else is on the rise this week.
Why Roger Federer is to stay in top 10 despite missing Australian Open
Though Roger Federer will miss the Australian Open, when he returns to the Tour in late February or early March, he will do as a top-10 player thanks to the new 24-month ranking system.
WTA announce revised ranking system for 2020 due to Coronavirus
The WTA announced Thursday a new, temporary revised system for calculating the WTA rankings in the wake of the Coronavirus, following the example of the ATP Tour.