Paris: US Open Champion Emma Raducanu moved to the top 20 world ranks for the first time on Monday.
The 18-year-old British, who was ranked 20th after reaching the Transylvania Open quarter-final in October, became the first qualification to win the Grand Slam when he won in New York in September.
This week, Raducanu is the top seed for Linz open in Austria and has bye to the second round on Tuesday.
Australia Ashleigh Barty remains number one after a week of Billie Jean Cup, previously known as the Fed Cup, but the results of the competition were not taken into account in the ranking system.
The latest WTA WTA ranks on Monday: 1.
Ashleigh Barty (AUS) 7582 PTS 2.
Aryna Sabalenka (BLR) 6130 3.
Barbora Krejcikova (CZE) 4708 4.
Karolina Pliskova (CZE) 4510 5.
Garbine Muguruza (ESP) 4310 6.
Maria Sakkari (GRE) 3760 7.
ONS JABEUR (TUN) 3455 8.
Anett Kontavit (EST) 3396 9.
IGA Swigek (Pol) 3286 (+1) 10.
Paula Badosa (ESP) 3224 (+1) 11.
Anastasia.
Pavlyuchenkova (RUS) 3076 (+1) 12.
Sofia Kenin (US) 2971 (+3) 13.
Naomi Osaka (JPN) 2956 14.
Elena Rybakina (KAZ) 2855 (+2) 15.
Elina Svitolina (UKR) 2726 ( UKR) (UKR) 2726 (-1) 16.
Elise Mertens (Bel) 2690 (+2) 17.
Angelique Kerber (GER) 2671 (-8) 18.
Petra Kvitova (CZE) 2660 (+1) 19.
Jessica Pegula (USA) 2650 (+1)) 20.
Emma Raducanu (Fig) 2627 (+1)
US Open champion Emma Raducanu Break into World Top 20
