The 19-year-old beat the Japanese wildcard 6-2, 6-2 to set up a showdown with former US Open champion Sam Stosur, who downed American teenager Madison Keys 6-1, 6-2 in the other semi at the $250,000 event on the hard courts in Osaka.
Top seed Elise Mertens cruised to victory, but fourth-seeded Nadia Podoroska and fifth-seeded Jacqueline Cristian were not as fortunate in the first round of the Jasmin Open Tunisia
American tennis ace Venus Williams has entered the top ten of latest WTA ranking following her victory in the Zhuhai Masters in China.
Gauff made 50 unforced errors in the match, including nine double faults, and said it was far from her best performance.
Sania Mirza and Martina Hingis on Thursday announced that they will join forces once again at the WTA Finals, which is scheduled to be held in Singapore later this year.
Women's tennis will get a 40 percent pay raise next year along with bigger fines, suspensions and responsibility for the leading players.
Maria Sharapova continued her mastery of Romania's Simona Halep with a high quality 6-4, 6-4 victory filled with bruising baseline rallies to edge closer to a last four berth at the WTA Finals on Tuesday.
World No 1 Serena Williams was handed the best possible draw for her WTA Finals title defence with the 33-year-old American grouped with two injury doubts and avoiding the in-form players.
World number two Simona Halep beat Maria Sharapova 6-2, 6-2 in the China Open third round on Wednesday for her first win over the Russian in eight attempts.
Sixteen-year-old Croatian Donna Vekic was denied her first WTA title as she lost 7-6(5), 6-4 to Tour stalwart Daniela Hantuchova in the Aegon Classic final in Birmingham on Sunday.
American teenage sensation Coco Gauff became the youngest player to win a WTA title in 15 years as she beat former French Open champion Jelena Ostapenko in the Linz Open final on Sunday.
Wozniacki blasts WTA Tour for forcing her to play in the tournament without proper preparation.
Following Sania Mirza's quarter-final appearance in the Family Circle Cup last week, the Indian tennis ace jumped 17 places to 73rd position in the latest WTA singles rankings issued on Monday.
Sania Mirza and her Russian partner Elena Vesnina notched up a straight-set win over Ji Zheng and Peng Shuai to enter the final of the Family Circle Cup WTA event in Charleston, USA.
Sania Mirza booked a berth in the main draw of the $4,500,000 WTA Premier event in Miami with an easy straight sets win over Czech Republic's Renata Voracova.
President Pranab Mukherjee on Tuesday congratulated tennis ace Sania Mirza for winning the season-ending WTA Finals women's doubles title.
Tatiana Golovin stunned top seed Nadia Petrova 6-1, 6-2 in the final of the Amelia Island championships.
The top seeded pair of Sania Mizra and Yaroslava Shvedova crashed out of the Nurnberg WTA event following a shock first round defeat against Chia-Jung Chuang and Misaki Doi, in Nurnberg, on Tuesday.
Three women in the field have topped the world rankings this season, incumbent Simona Halep and her predecessors Garbine Muguruza and Karolina Pliskova, but none of them have been able to kick on and cement their place as the tour's dominant player.
From her remarkable comeback through qualifiers to triumphant battles against major champions, Yastremska's resilience radiates on the hallowed Rod Laver Arena.
Serbia's Ana Ivanovic just missed out on a place in the semi-finals of the season-ending WTA Finals despite beating Simona Halep in the final group match on Friday.
The 20-year-old Belgian easily beat France's Amelie Mauresmo in the final to pick her ninth title of the year.
Germany's Angelique Kerber has clinched the eighth and final spot at the WTA's season-ending championships in Istanbul later this month after reaching the semi-finals of the Linz Open.
The Indian tennis star has jumped up two places to 75th in the latest WTA Tour tennis rankings.
A day after suffering her heaviest defeat since she was a teenager, Serena Williams was back to her brilliant best as she swatted aside Eugenie Bouchard 6-1, 6-1 in her final round robin match at the WTA Finals on Thursday.
World's numero uno women's doubles pair of Sania Mirza and Martina Hingis continued their rampaging form and extended their monster winning streak to 20 matches in a row after reaching the semi-finals of the WTA Finals in Singapore.
The Women's Tennis Association has agreed to reinstate byes in certain events in 2009 to assuage players' fears about a congested calendar. Several players were worried they were being asked to play two high-intensity events in succession, with no byes meaning there was no opportunity to rest between tournaments.
Naomi Osaka's return a boost for women's tour, says Mouratoglou
Garbine Muguruza, 30, was ranked World No 1 in 2017 and was ranked as high as third by the end of 2021.
Victoria Azarenka moved a step closer to securing the year-end No. 1 ranking with a 6-7, 7-6, 6-4 win over Germany's Angelique Kerber at the WTA Championships on Wednesday.
Little-known Slovakian Magdalena Rybarikova won her first WTA title after beating China's Li Na 6-0, 7-6 at the Edgbaston Classic on Sunday.
Angelique Kerber showed more passion in the media centre than on the court when she crashed out of last year's WTA Finals, the German angered by the format and frustrated by her inability to win the set off an eliminated opponent she needed to advance.
Serena Williams has extended her lead in the WTA rankings after her fourth consecutive Grand Slam title at Wimbledon, with the World No 1 now having more than twice as many points as her closest competitor Maria Sharapova.
Caroline Woznaicki produced an almost perfect display to dismantle world number one Simona Halep 6-0 6-2 at the WTA Finals on Wednesday, the Dane recording her second dominant victory in as many matches.
Simona Halep has moved back to the top five in the latest women's tennis world rankings issued by the WTA, after clinching her first title in over a year at the Madrid Masters.
Top seed Simona Halep was pooled with grand slam winners Maria Sharapova and Flavia Pennetta in a formidable looking Red Group for the end-of-season WTA Finals on Friday.
Russia's Svetlana Kuznetsova raced to a 6-2, 6-1 victory over Australian Daria Gavrilova to defend her Kremlin Cup title in Moscow on Saturday and secure a place at the season-ending WTA Finals.
Venus Williams has joined her sister Serena in withdrawing from the French Open because of injury, the WTA said on Saturday.
Venus Williams defeated Russia's Vera Zvonareva 6-7, 6-0, 6-2 on Sunday to win the season-ending WTA Championships.
Dominika Cibulkova kept her hopes of reaching the last four of the WTA Finals alive with a gritty 6-3, 7-6(5) Red Group victory over Simona Halep at the Singapore Indoor Stadium on Thursday.
