Factbox: WTA Finals - player profiles

SINGAPORE (Reuters) - Form guide for the eight women competing at the WTA Finals in Singapore. RED GROUP Angelique Kerber (Germany) Race to Singapore ranking: 2 World ranking: 3 Born: Jan. 18, 1988 (Age: 30) Height: 1.73 meters Plays: Left-handed Grand Slam titles: 3 2018 WTA match record (won-lost): 45-17 2018 WTA titles: 2 Naomi Osaka (Japan) Race to Singapore ranking: 4 World ranking: 4 Born: Oct. 16, 1997 (Age: 21) Height: 1.80 meters Plays: Right-handed Grand Slam titles: 1 2018 WTA match record (won-lost): 42-17 2018 WTA titles: 2 Sloane Stephens (U.S.) Race to Singapore ranking: 6 World ranking: 8 Born: March 20, 1993 (Age: 25) Height: 1.70 meters Plays: Right-handed Grand Slam titles: 1 2018 WTA match record (won-lost): 33-18 2018 WTA titles: 1 Kiki Bertens (Netherlands) Race to Singapore ranking: 9 World ranking: 10 Born: Dec. 10, 1991 (Age: 26) Height: 1.82 meters Plays: Right-handed Grand Slam titles: 0 2018 WTA match record (won-lost): 43-20 2018 WTA titles: 3 WHITE GROUP Caroline Wozniacki (Denmark) Race to Singapore ranking: 3 World ranking: 2 Born: July 11, 1990 (Age: 28) Height: 1.77 meters Plays: Right-handed Grand Slam titles: 1 2018 WTA match record (won-lost): 40-15 2018 WTA titles: 3 Petra Kvitova (Czech Republic) Race to Singapore ranking: 5 World ranking: 7 Born: March 8, 1990 (Age: 28) Height: 1.82 meters Plays: Left-handed Grand Slam titles: 2 2018 WTA match record (won-lost): 47-14 2018 WTA titles: 5 Elina Svitolina (Ukraine) Race to Singapore ranking: 7 World ranking: 6 Born: Sept. 12, 1994 (Age: 24) Height: 1.74 meters Plays: Right-handed Grand Slam titles: 0 2018 WTA match record (won-lost): 37-14 2018 WTA titles: 3 Karolina Pliskova (Czech Republic) Race to Singapore ranking: 8 World ranking: 5 Born: March 21, 1992 (Age: 26) Height: 1.86 meters Plays: Right-handed Grand Slam titles: 0 2018 WTA match record (won-lost): 43-20 2018 WTA titles: 2 FIRST ALTERNATE Aryna Sabalenka (Belarus) Race to Singapore ranking: 10 World ranking: 15 Born: May 5, 1998 (Age: 20) Height: 1.82 meters Plays: Right-handed Grand Slam titles: 0 2018 WTA match record (won-lost): 48-23 2018 WTA titles: 2 (Compiled by Hardik Vyas in Bengaluru; Editing by John O'Brien/Sudipto Ganguly)