Naomi Osaka advances to last 8

Japanese Naomi Osaka, the top seed, beat Dutchwoman Suzan Lamens 7-6 (6), 3-6, 6-2 to advance to the quarter-finals of the Osaka Open at the Utsubo Tennis Center on Wednesday.

Osaka, ranked No 16, will face Romanian Jaqueline Cristian next.

Ahead of her victory, the Japanese won against wildcard Wakana Sonobe (6-0, 6-4).

Osaka WTA 250, other second-round results (Utsubo Tennis Center, hard, USD 275.094, most recent results first):

• Marie Bouzkova vs. Viktorija Golubic
• Dalma Galfi vs. Leylah Fernandez
• Ann Li vs. Rebecca Sramkova
• Elise Mertens vs. Tereza Valentova
• Sorana Cirstea vs. Katie Boulter
• Olga Danilovic (6) beat Ashlyn Krueger: 6-4, 6-4
• Jaqueline Cristian beat Jessica Bouzas Maneiro (8): 0-6, 6-4, 6-2