WTA Finals scenarios: Jabeur, Pegula, Sabalenka scramble for last semi spot

FORT WORTH, Texas -- No.5 Maria Sakkari took control of the Nancy Richey Group on Wednesday, improving to 2-0. Sakkari, who advanced to the knockout stage at the WTA Finals, has failed to lose a set in two matches.

But there is still a lot on the line Friday. Sakkari will look to clinch the top seed in her group, while No.2 Ons Jabeur, No.3 Jessica Pegula and No.7 Aryna Sabalenka all have a chance of qualifying for the second semifinal spot. 

Round 2 Roundup: Sakkari secures her semi spot | Jabeur rallies to stop Pegula

With all four players still in the mix going into the final day of group play for the Nancy Richey Group, every match, set and game could determine the group's final standings.

Both Jabeur and Sabalenka carry a 1-1 record into the final round, while Pegula sits at 0-2. With the possibility of all three players finishing with a 1-2 record in round-robin play, the last qualifier could be determined by the percentage of games won.

Friday order of play

1:30 p.m.
(6) Yifan Xu & Zhaoxuan Yang vs. (8) Desirae Krawczyk & Demi Schuurs 
Not before 3:30 pm
(3) Jessica Pegula vs. (7) Aryna Sabalenka
7:00 p.m.
(2) Ons Jabeur vs. (5) Maria Sakkari
(1) Barbora Krejcikova & Katerina Siniakova vs. (3) Coco Gauff & Jessica Pegula

Scenarios for the Nancy Richey Group (singles)

-- Maria Sakkari has already secured her semifinal berth, with her position to be determined by Friday's results.

-- If Sakkari and Sabalenka win, Sakkari will win the group with Sabalenka qualifying in the second position. 

-- If Sakkari wins in straight sets and Pegula also wins in straights, Sakkari will win the group with Pegula qualifying second.

-- If Sakkari wins in straight sets and Pegula wins in three, Sakkari will win the group and the second qualifier will be determined by percentage of games won.

-- If Sakkari wins in three sets and Pegula wins, Sakkari will win the group with Jabeur qualifying second.

-- If Jabeur wins in straight sets and Sabalenka wins in straight sets, Sakkari will win the group with Jabeur qualifying second.

-- If Jabeur wins in three sets and Sabalenka wins in straight sets, Sakkari will win the group with Sabalenka qualifying second.

-- If Jabeur wins and Sabalenka wins in three sets, Sakkari will win the group with Jabeur qualifying second.

-- If Jabeur wins and Pegula wins, Jabeur will win the group with Sakkari qualifying second.

*** Qualification tiebreaker: If three players are tied in match-wins and the percentage of sets won, the next criteria will be the percentage of games won. If two players remain tied, the head-to-head winner will prevail. 

Scenarios for the Rosie Casals Group (doubles)

-- Krejcikova and Siniakova have won the group. Gauff and Pegula cannot advance. 

-- The winner between Krawczyk and Schuurs and Xu and Yang will claim the second position.