Tennis
World Number One Elena Rybakina Withdraws from WTA Finals Due to Viral Illness
World number one Elena Rybakina has withdrawn from the 2026 WTA Finals in Indian Wells just hours before the season-ending tournament begins. The defending champion will miss the competition after struggling with a viral illness, with Ukraine’s Marta Kostyuk stepping in to replace her.

Rybakina Forced to Withdraw from WTA Finals
World number one Elena Rybakina has withdrawn from the 2026 WTA Finals in Indian Wells, dealing a significant blow to the season-ending competition just before the opening matches get underway.
The Kazakh tennis star was expected to lead the eight-player singles field as the defending champion after an outstanding campaign that saw her establish herself as the leading player in women’s tennis. However, her hopes of defending the title have come to an unexpected end following concerns about her physical condition.
Rybakina announced her withdrawal on Saturday, November 7, just one day before the tournament was scheduled to begin. Tournament organisers subsequently confirmed that the official reason for her absence was a viral illness.
Her decision means the competition will begin without the player who finished the previous edition as champion and entered this year’s tournament as the highest-ranked competitor.
In a statement addressing her supporters, the 27-year-old expressed disappointment at being unable to participate, particularly after the successful season she has enjoyed.
“I am really sad to inform all my fans and supporters that I unfortunately have to withdraw from the WTA Finals this year,” Rybakina said.
“I’ve had an incredible season but my body is just not physically ready to compete. I’m going to spend some time resting and recovering at home and getting myself ready for the 2027 season.”
She also acknowledged the importance of the competition, wishing the remaining players success while expressing her excitement about returning to Indian Wells in March.
Physical Problems Behind the Late Withdrawal
Although the viral illness was officially confirmed as the reason for her withdrawal, Rybakina had experienced physical difficulties in the closing stages of the season.
Her fitness had already become a concern following her appearance at the Pan Pacific Open in Tokyo last month. The former Wimbledon champion withdrew from the quarter-finals of that competition because of a neck injury, raising questions about whether she would be ready for the WTA Finals.
The timing of the latest setback could hardly have been worse for the Kazakh, who had arrived in California hoping to finish an exceptional year by lifting another major trophy.
Rybakina had participated in practice sessions ahead of the tournament, but she was ultimately unable to recover sufficiently to compete.
Tournament director Garbiñe Muguruza also discussed the situation, revealing that she had spoken directly with the player before the announcement.
The former world number one acknowledged that Rybakina had been dealing with physical difficulties and stressed that allowing her sufficient time to recover was more important than forcing her to participate.
Muguruza said the tournament wanted Rybakina to feel healthy and return to competition when she was ready.
Her comments reflected the difficult position facing players at the end of a demanding tennis season, particularly those who have competed consistently across major tournaments.
An Outstanding 2026 Season for Rybakina
Despite the disappointing ending, Rybakina has plenty of reasons to be satisfied with her performances throughout 2026.
The Kazakh enjoyed one of the strongest campaigns of her professional career, collecting four titles and establishing herself at the top of the women’s rankings.
Her achievements included victories at the Australian Open, Stuttgart, the US Open and Ningbo. The two Grand Slam triumphs were particularly significant, taking her career total to three major singles titles.
Rybakina began the year by winning the Australian Open in January, adding another major championship to the Wimbledon title she secured in 2022.
She continued to produce impressive results throughout the season before reaching another major milestone at the US Open in September.
Her victory over Aryna Sabalenka in the final at Flushing Meadows delivered her second Grand Slam title of the year and helped propel her to the number one position in the world rankings.
The achievement represented a major moment in her career, rewarding years of consistency and hard work on the WTA Tour.
Rybakina finished the season with a 54-14 match record and four tournament titles. She also secured the year-end world number one ranking, meaning her position at the top of the sport is guaranteed despite missing the final competition of the campaign.
Her absence will nevertheless be felt, especially considering the opportunity to conclude the year with another championship in front of the Indian Wells crowd.
Marta Kostyuk Replaces the Defending Champion
Ukraine’s Marta Kostyuk has been handed an opportunity to compete at the WTA Finals following Rybakina’s withdrawal.
Kostyuk, who was already in Indian Wells as the first alternate, will take the vacant position in Group One and make her debut at the prestigious season-ending tournament.
The Ukrainian has enjoyed a breakthrough campaign in 2026, establishing herself among the leading players on the women’s tour.
Her achievements include winning the Madrid title and breaking into the world’s top 10. Those performances earned her recognition as one of the players to watch heading into the final stages of the season.
Although replacing a player of Rybakina’s quality is a difficult assignment, Kostyuk now has an opportunity to test herself against some of the biggest names in women’s tennis.
She is scheduled to face Linda Noskova in her opening round-robin match on Sunday, with subsequent meetings against Coco Gauff and Jessica Pegula also awaiting her in the group.
The late change adds another interesting dimension to the competition, particularly because Kostyuk will have limited time to adjust to the demands of the tournament.
For the 24-year-old, however, reaching the WTA Finals represents an important reward for her performances over the past year.
A Major Opportunity for Aryna Sabalenka
Rybakina’s withdrawal could also have implications for the battle at the top of the women’s rankings.
Aryna Sabalenka, who currently occupies the second position, will have an opportunity to reduce the gap between herself and the world number one during the tournament.
The Belarusian has enjoyed another competitive season and remains one of the strongest contenders for the title.
Rybakina’s absence removes one of the biggest obstacles from the field, although the remaining competitors will still present a serious challenge.
The WTA Finals features eight qualified singles players divided into two groups of four. Each player competes against the other members of her group, with the leading two progressing to the semi-finals.
The format means consistency across multiple matches is essential, leaving little room for mistakes.
WTA Finals Continue Without Their Defending Champion
The 2026 WTA Finals will take place at the Indian Wells Tennis Garden in California from November 8 to November 15.
The tournament was originally scheduled to be held in Riyadh, Saudi Arabia, before being relocated to Indian Wells amid security concerns surrounding the regional conflict.
Despite losing the world number one and defending champion, organisers remain confident that the remaining field will deliver an entertaining competition.
Muguruza has also backed the quality of the players involved, insisting that the tournament still features an exceptional collection of talent.
For Rybakina, the immediate priority will be recovering from her illness and ensuring she returns to the court in good physical condition.
Missing the WTA Finals is undoubtedly a disappointing development after such a successful year, but the Kazakh has already secured the most important individual ranking achievement of her career.
Her 2026 campaign will be remembered for two Grand Slam victories, four titles and her rise to the summit of women’s tennis.
She will now turn her attention towards recovery and preparation for the 2027 season, while Kostyuk takes her place in Indian Wells and the remaining competitors battle for the prestigious WTA Finals title.
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