| Bertens dialed up 13 aces to defeat Germany's 
				Ysaline Bonaventure 6-4, 6-2. Sabalenka needed just 70 minutes 
				to dispatch Belgium's Alison Van Uytvanck 6-1, 6-4.
 All four top seeds advanced to the quarters, after No. 1 Petra 
				Kvitova of the Czech Republic and No. 3 Daria Kasatkina of 
				Russia advanced on Thursday.
 
 Bertens will face Russian Anastasia Pavlyuchenkova, who upset 
				sixth-seeded Latvian Jelena Ostapenko 6-4, 6-4. Sabalenka will 
				play Russian Ekaterina Alexandrova, a 7-5, 6-2 winner over Czech 
				Tereza Martincova.
 
 Thailand Open
 
 Slovenia's Tamara Zidansek ended the run of qualifier Jennifer 
				Brady, besting the American 6-3, 0-6, 7-6 (9) in a match that 
				lasted 2 hours, 20 minutes, to reach the quarterfinals in Hua 
				Hin.
 
 Zidansek will square off against Switzerland's Viktorija Golubic, 
				a 7-6 (4), 7-5 winner over China's Yingying Duan.
 
 Fifth-seeded Shuai Zhang of China had to retire in the first set 
				of her match against countrywoman Yafan Wang. Zhang was down 
				4-1.
 
 Wang will play Poland's Magda Linette in the quarterfinals. 
				Linette needed 2 1/2 hours to rally past Romania's Monica 
				Niculescu 4-6, 6-3, 6-2.
 
 --Field Level Media
 
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