The singles competition is the best of three tie-break sets.
The doubles competition is the best of three sets with standard scoring in the first two sets and, if necessary, a 10-point match tie-break as the third set.
Singles and Doubles Competition Formats:
The singles competition is a draw of eight players in a round-robin format with two groups of four players. Within each group, every player contests one round-robin match against each of her fellow group members. The winner and runner-up from each group qualify for a single elimination format semifinals and final.
The doubles competition is a draw of eight teams in a single elimination format.
Once the singles field has been set, the next two highest-ranked singles players qualify as alternates for the WTA Finals. If any singles player is unable to compete, an alternate will move into the competition as a replacement. Read more about the singles alternates here.
(a) Place seed 1 in Group A and seed 2 in Group B.
(b) Draw from and place the remaining seeds in pairs as follows:
(i) Seeds 3 and 4 (place 1st drawn seed in Group A and remaining seed in Group B);
(ii) Seeds 5 and 6 (place 1st drawn seed in Group A and remaining seed in Group B); and
(iii) Seeds 7 and 8 (place 1st drawn seed in Group A and remaining seed in Group B).
(a) Place seed 1 on line 1 and seed 2 on line 8.
(b) Draw from seeds 3 and 4 and place 1st drawn seed on line 3 and the remaining seed on line 6.
Final Standings of Singles Round Robin Competition
The first of the following methods that applies determines the final standings of each group in the round-robin competition:
i. Greatest number of wins; then
ii. Greatest number of matches played; then
iii. Head-to-head results if only two players are tied; or
iv. If three players are tied:
a) Highest percentage of sets won; if after the calculation two players remain tied, head-to-head results; then
(b) If after applying (a) all three players remain tied, highest percentage of games won; if after the calculation two players remain tied, head-to-head results; then
(c) If after applying (a) and (b) all three (3) players remain tied, the Finals Rankings
Since 2008, WTA players have had the opportunity to consult with their coach during a match thanks to the On-Court Coaching rules.
Here are the guidelines about when a player may request her coach to come on court:
1. On one changeover per set, either during or at the conclusion of the set;
2. When her opponent takes a change of attire or toilet break;
3. When her opponent receives attention from a Primary Health Care Provider outside of a change of ends treatment.
4. At the WTA Finals, coaches may bring authorized tablets on court during their visits to share information from SAP Tennis Analytics For Coaches with their players to help analyze performance and optimize strategy.
As part of the On-Court Coaching initiative, coaches are required to wear a microphone, which allows television viewers to hear their interaction with the players.
Electronic Review system
Close line calls during the WTA Finals may be challenged by players through the Electronic Review system. The system utilizes a series of cameras to make a composite image of the ball’s trajectory to show its landing point.
A request for an electronic review, or challenge, of a line call or overrule by a player or team shall be allowed only on either a point-ending shot or when a player or team stops playing the point during a rally. (Returns are permitted, but then the player or team immediately must stop). Each player or team shall receive three incorrect challenges per set and one extra challenge in the tie-break. The original call or overrule always will stand if the Electronic Review is unable, for whatever reason, to make a decision on that line call or overrule. In this case, the player shall not have her available number of challenges reduced.
The requested electronic review is displayed on the video boards within the stadium, allowing fans, line judges, umpires and players to learn the fate of the challenge at the same time.