Top-seeded Lin Zhu of China outlasted Japan’s Moyuka Uchijima 6-4, 4-6, 6-1 to advance to the quarterfinals of the Japan Open on Thursday in Osaka.

Uchijima smashed eight aces and saved 14 of 21 break points to stay in the match. But Zhu, after falling behind 1-0 in the third set, won six straight games to finish it off.

Next up, Zhu will face American Elizabeth Mandlik, who beat Canada’s Rebecca Marino 7-5, 3-6, 6-1.

No. 3 seed Xinyu Wang of China eased past Himeno Sakatsume of Japan 6-4, 6-2. Arianne Hartono of the Netherlands needed just 59 minutes to beat Panna Udvardy of Hungary 6-2, 6-0.

San Diego Open

Danielle Collins needed just 67 minutes to rout second-seeded Caroline Garcia of France 6-2, 6-3 in the quarterfinals at San Diego.

The 29-year-old Florida native never faced a break point in the match and converted four of her five break opportunities. Collins is through to her first semifinal since March, when she fell in that round at Austin, Texas.

Next up for Collins is fourth-seeded Barbora Krejcikova of the Czech Republic, who defeated seventh-seeded Beatriz Haddad Maia of Brazil 6-4, 6-3.

The United States’ Sofia Kenin cruised past Russia’s Anastasia Potapova 6-2, 6-3. Kenin will face fellow American Emma Navarro in the semifinals after Navarro beat third-seeded Maria Sakkari of Greece 6-4, 0-6, 7-6 (4) in the quarterfinals.

–Field Level Media