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Boulter Reclaims British No 1 Ranking After Japan Open Semi-Final Berth

Katie Boulter defeats Antonia Ruzic in three sets to reach the semi-finals and regain the top national ranking.

2 publishers · 4 articles · first seen 23 Oct 2026 · updated 14d ago

Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made

This story has stopped developing; this page is its permanent record. More from that day

The odds

How the odds moved · Japan Women's Open: Katie Boulter vs Antonia Ruzic
0%50%100%100%23 Oct, 02:33 UTCnowSkySports: Boulter loses to Siniakova in Japan Open semis · 24 Oct, 11:16 UTCBBC Sport: New British number one Boulter loses Japan semi-final · 24 Oct, 10:54 UTCSkySports: Boulter fights back to reach Japan Open semi-final · 23 Oct, 10:35 UTCBBC Sport: Boulter into Japan semi-finals and back as British No 1 · 23 Oct, 10:22 UTC

Each tick is a source publishing on this story

Price data
TimeChance of yes
now100%
23 Oct, 10:03 UTC100%
23 Oct, 09:55 UTC97%
23 Oct, 09:27 UTC55%
23 Oct, 08:53 UTC17%
23 Oct, 08:21 UTC46%
23 Oct, 07:54 UTC56%
23 Oct, 06:59 UTC63%
23 Oct, 02:33 UTC64%

The story so far

2 publishers have covered this in 4 articles since 23 Oct 2026. BBC Sport published first, on 23 October at 10:22 UTC; SkySports followed 13 min later. The most recent article, from SkySports, appeared on 24 October at 11:16 UTC.

Outlets reporting it: BBC Sport, SkySports.

One prediction market prices this story:

Odds are the market's probability that the outcome happens, updated every few minutes. They are information about what traders expect, not a forecast we make and not investment advice.

How it unfolded

Every source in the order it published, with the odds on Japan Women's Open: Katie Boulter vs Antonia Ruzic at that moment. A dash means the source published before we started tracking prices.

  1. BBC SportBoulter into Japan semi-finals and back as British No 1100%
  2. SkySportsBoulter fights back to reach Japan Open semi-final100%
  3. BBC SportNew British number one Boulter loses Japan semi-final100%
  4. SkySportsBoulter loses to Siniakova in Japan Open semis100%
  5. Market resolved: Katie Boulter

Sources

Every article we clustered into this story. Headlines link to the publisher.

  1. Boulter loses to Siniakova in Japan Open semis SkySports
  2. New British number one Boulter loses Japan semi-final BBC Sport
  3. Boulter fights back to reach Japan Open semi-final SkySports
  4. Boulter into Japan semi-finals and back as British No 1 BBC Sport

Related prediction markets

Linked by software because they are about the same subject. Most ask a different question from the one this story reports, so read each market's own question. How often the link is right

  • Resolved Japan Women's Open: Katie Boulter vs Antonia Ruzic Katie Boulter 15d ago

    The market favoured Katie Boulter at 62% a day out, and it won. How often it's right

    Wrong market?

In this story

  • Katie Boulter
  • Antonia Ruzic
  • Japan Open
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