Will Elena Rybakina Become World No. 1 Today If She Defeats Qinwen Zheng? WTA Rankings Explained

The biggest prize in women's tennis is on the line for Elena Rybakina at the 2026 US Open, and it has nothing to do with the trophy.

The World No. 2 seed faces Qinwen Zheng in the quarterfinals at Arthur Ashe Stadium today, knowing that victory would send her into the semifinals and, more importantly, make her the new World No. 1 for the first time in her career.

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Rybakina is already one win away from taking the top spot, while Zheng stands between the Kazakh representative and a historic milestone.

So, how exactly does the ranking equation work? The answer comes down to the live points total, the points both players are defending in New York and the crucial number 8,331.

Why Is Rybakina So Close to World No. 1?

Rybakina entered the US Open with a major advantage in the ranking race because she had relatively few points to defend from last year's tournament.

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Sabalenka, meanwhile, arrived in New York as the defending champion. That meant she was defending almost the maximum possible haul from the tournament, while Rybakina had far less at stake from her previous year's early exit. That difference has allowed Rybakina to make significant gains simply by progressing through the draw.

Rybakina's run has now taken her into the quarterfinals after she defeated Naomi Osaka in straight sets, putting her within touching distance of the ranking summit.

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The 8,331-Point Number Explained

This is where the live WTA ranking calculation becomes important.

After reaching the quarterfinals, Rybakina's live ranking total stands at 8,331 points.

That number is significant because it represents her current position in the live rankings before her quarterfinal against Zheng.

If Rybakina loses, she remains on 8,331 points.

But if she defeats Zheng and reaches the semifinals, she earns another significant chunk of ranking points, taking her live total to 8,911 or more.

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That semifinal qualification is enough to put her beyond Sabalenka in the live rankings.

In other words, Rybakina does not need to win the US Open to become World No. 1. She does not even need to reach the final. She simply needs to beat Zheng and reach the semifinals.

Elena Rybakina's World No. 1 Ranking Scenario

The key is that Sabalenka's path is now still alive. She survived a dramatic quarterfinal against Wimbledon champion Linda Noskova, winning in a final-set tiebreak to reach the semifinals and keep her title defense going.

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But Sabalenka's advancement does not eliminate Rybakina's opportunity. If Rybakina reaches the semifinals, she has accumulated enough points to overtake her rival in the live rankings.

What Happens If Rybakina Beats Zheng?

Quite simply, history.

The moment Rybakina defeats Zheng and secures her place in the semifinals, she will officially become the World No. 1.

It would be the first time the 27-year-old has reached the summit of the WTA rankings and would make her the 30th different woman in the history of the computerized WTA rankings to occupy the No. 1 position.

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It would also be a landmark moment for Kazakhstan.

Rybakina would become the first player representing Kazakhstan to reach World No. 1 in singles, adding another historic achievement to a career that already includes a Wimbledon title and the 2026 Australian Open crown.

The significance is even greater considering that Rybakina has spent much of the season battling Sabalenka for supremacy at the top of the women's game. She defeated Sabalenka in the Australian Open final earlier this year before Sabalenka responded by winning Indian Wells.

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