The 6 players with most WTA Finals appearances: Martina Navratilova with 21, Steffi Graf joint-second
Six women have made 12 or more appearances at the year-end championships.
The 9 women with most year-end world No 1 finishes: Steffi Graf with 8, Serena Williams joint third
Nine women finished as the year-end No 1 at least three times.
The 6 women who have won the most WTA Finals matches: Martina Navratilova with 60, Serena Williams 4th
Three women have won over 30 matches at the year-end championships.
The 16 WTA year-end world No 1s: ft Aryna Sabalenka, Iga Swiatek, Serena Williams
Sabalenka is the 16th woman to claim the year-end No 1 ranking.
The 7 youngest WTA Finals champions – ft. Monica Seles, Maria Sharapova, Steffi Graf
Seven women have lifted the WTA Finals title aged 18 or under.
The 10 women with most WTA Finals titles: Martina Navratilova with 8, Serena Williams joint second
We look at those that sealed more WTA Finals triumphs than anyone else.
The 5 women with the highest WTA Finals win percentage: Serena Williams with 82.9%, Steffi Graf 3rd
Three players have a win rate of over 80%.
The 7 women to successfully defend WTA Finals title – ft Serena Williams, Steffi Graf
The seven women to defend the WTA Finals title are all former world No 1's and multiple major winners.
9 women whose last tour title was a Grand Slam – ft Steffi Graf, Kim Clijsters, Ashleigh Barty
In WTA history, nine women have retired with their last singles title coming at a Grand Slam.
The 7 women who have reached the most WTA 1000 finals: Serena Williams with 33, Steffi Graf 3rd
Five women have reached over 20 WTA 1000 level finals.
The 7 women with multiple 50+ week spells as WTA world No 1: Iga Swiatek joins Serena Williams, Steffi Graf
Swiatek has been knocked off world No 1 - but her latest reign has seen her emulate tennis greats.
The 7 women with biggest gap between first and last week as world No 1: Serena Williams 14 years, Steffi Graf No 3
Seven women have a gap larger than seven years between their first and last week as No 1.
Women who have spent most weeks at No 1 in WTA Rankings: Steffi Graf No 1, Iga Swiatek moves up another place
A look at the list of women who have spent the most weeks at No 1 in WTA Rankings.
The 4 German players to win Grand Slam singles titles in Open Era – as Berlin hosts Laver Cup
We look at four of Germany's finest players amid Laver Cup action taking place in Berlin.
The 7 women to win the most hard court Grand Slam titles: Serena Williams with 13, Steffi Graf No 2
Seven women have won four or more major titles on hard courts, since the US Open and Australian Open adopted the surface.
The 7 women with the highest career-winning percentage: Steffi Graf 3rd, Iga Swiatek with 82.11%
Who holds the record for highest career-winning percentage in women's tennis?
The 7 women who have won the most WTA titles: Martina Navratilova with 167, Serena Williams 5th
There are three women who have surpassed 100 titles, while seven have reached the 60 mark.
The 5 women with the highest Grand Slam win percentage: Steffi Graf with 89.7%, Serena Williams 3rd
Five women have a Grand Slam win rate of over 85% in the Open Era.
The 5 women to complete Australian Open-US Open hard court double: Aryna Sabalenka joins exclusive club
Sabalenka is looking to become just the fifth woman to win both hard-court Slams in the same year.
The 7 women with the most wins in their first 100 Grand Slam matches: Steffi Graf at No 3
The great Monica Seles lost only seven of her first 100 Grand Slam matches.
The 4 players to achieve rare Olympic-US Open feat with Andy Murray the only man on list
Three women and one man have won the Olympic-US Open double in the same year.
The 9 women who have reached the most US Open finals: Serena Williams top with 10
Four women have reached eight or more finals, while five are tied for fifth on the list.
The 5 women with most consecutive Grand Slam Round 3 appearances: Iga Swiatek hits new milestone
Swiatek has reached Round 3 of 19 Grand Slams in a row - one of just 5 women in the Open Era to do so.
The 8 players with the highest US Open women’s win percentage: Serena Williams with 87.8%, Steffi Graf 2nd
Five women have a win percentage of over 85%.
The 7 women with the most US Open titles: Serena Williams tied on 6, Steffi Graf 3rd
Seven women have won three or more US Open titles in the Open Era.