Emma Raducanu made it to the third stage in three out of four Grand Slam events this year.
Britain's Emma Raducanu has pulled out of the last two tournaments in 2025 as a result of the illness that has affected her in recent days.
At 22 years old had planned to participate in Tokyo and Hong Kong but has decided to fly home to recover prior to beginning next year's training.
Those preparations will include trainer Francisco Roig, as the pair will keep partnering for the upcoming season.
Raducanu required blood pressure checks in her opening round against Ann Li in the Wuhan tournament and stopped playing when losing 6-1 4-1 on a very muggy occasion.
Another medical visit was necessary medical attention at this week's Ningbo Open, where she was defeated in three sets to Zhu Lin, a Chinese wildcard in the opening round.
Her movement was with clear difficulty in the deciding set versus Zhu because of a lower back issue that has affected her during parts of the season.
Such performances signaled a promising season, in which she climbed into the international top 30 after a long gap in more than three years, concluded with three straight losses.
She held three match points then was defeated by Pegula in the third round in last month's Beijing event.
She secured 28 matches this year and made it to the semi-final round in Washington, but the highlight of her season was at the Miami Open in March.
As Britain's top player advanced to the quarters of the WTA 1000 event, overcoming Emma Navarro, the eighth seed on the way prior to a loss in three sets to Pegula, ranked fourth.
She was coached by trainer Mark Petchey from Miami until Wimbledon, with Roig taking over ahead of the US Open.
The original arrangement with the ex-coach of Rafael Nadal was through the season's conclusion but they will keep working together, with planned training sessions late this year.
She mentioned that her three-day trial with Roig post-Wimbledon was like a "secret mission" as the meeting was kept under wraps.
The player was close to defeating top-ranked Aryna Sabalenka at the first competition with Roig in Cincinnati in August.
Roig joined her in New York, where she reached the third round prior to losing to 2022 Wimbledon champion Elena Rybakina.
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