Teenage qualifier Amanda Anisimova shocked number one seed Zhang Shuai at the Japan Women's Open to reach her first WTA final.
The American, who turned 17 a fortnight ago, becomes the youngest player to make a final since Donna Vekic, aged 16, in 2013.
In a match interrupted by two lengthy rain suspensions she won 7-6 7-5 in a one hour and 48 minutes.
Su-Wei Hsieh takes the final four games to defeat Wang, 6-4, 6-4! Reaches first WTA final of 2018 at @jwo_tennis! pic.twitter.com/8cD5M6YNUh — WTA (@WTA) September 15, 2018
Anisimova will face second seed Hsieh Su-Wei after she had to win twice in the day to book her place.
After overcoming Ajla Tomljanovic 4-6 6-2 6-0 in a quarter-final held over from Friday because of rain she returned later on to beat Wang Qiang 6-4 6-4.
Qualifier Jessica Pegula produced an upset at the Coupe Banque Nationale as she put an end to the seven-match winning streak of number two seed Petra Martic.
Next destination ➡️ semi-finals!@JLPegula defeats 2nd seed Petra Martic in straight sets.👊#CoupeBN pic.twitter.com/62m7Ej3sB1 — CoupeBanqueNationale (@CoupeBN) September 14, 2018
The world number 227 produced a confident display, winning 85% of her first serve points to topple her Croatian opponent 6-3 7-5 and book her place in the semi-finals.
Pegula needed just one break of serve off the back of a double fault from Martic to close out the opening set, while the second set saw the pair exchange breaks
With the scores tied at 5-5, the American played aggressively to go 6-5 up before holding her nerve to serve out the match.
She will now face a meeting with compatriot Sofia Kenin, who reached the second WTA semi-final of her career by ousting number three seed Monica Puig.
Semis 🔜 @CoupeBN pic.twitter.com/aYgurdes3b — Sonya Kenin (@SonyaKenin) September 14, 2018
The 19-year-old hit six aces and lost just six points on serve as she dismissed the Puerto Rican 6-3 6-1 in 55 minutes.
As the number five seed, Kenin is now the highest-ranked player left in the draw in Quebec.
British number three Heather Watson sealed her spot in the final four with a straight-sets win over Canada's Rebecca Marino.
.@ppauline86 is the first seed through to the @CoupeBN semifinals! Tops Lepchenko, 7-6(7), 6-1 –> https://t.co/R0Mfzd4k9Z pic.twitter.com/I29sc4QV1K — WTA (@WTA) September 14, 2018
Watson took two breaks – losing her own serve once – to take a one-set lead, before needing just one break in the second to clinch the match 6-3 6-4.
Up next for the Briton is Pauline Parmentier, who beat American Varvara Lepchenko 7-6 (7/5) 6-1.
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