Barnes tennis center

Brazilian Beatriz Haddad Maia: British No.1 Katie Boulter stormed back from a set down to hand second seed Brazilian Beatriz Haddad Maia to advance to the quarterfinals at the San Diego Open.

The Brit registered a 3-6, 6-3, 6-4 win over Maia Haddad at the Barnes Tennis Center on Wednesday to reach her first quarterfinal at the WTA 500 level.

The victory was world no 49 Boulter's second Top 20 win of the season, having defeated Pegula at the United Cup. She will next face either 2022 finalist Donna Vekic or Canadian qualifier Marina Stakusic.