Han Shi will advance past Vaishnavi Adkar in the W15 Tianjin 4 on August 28. Han Shi is listed at WTA 262 and arrived in Tianjin after a 6-2, 6-1 win over Shiyu Ye on August 25 on the tournament hard courts. Vaishnavi Adkar is a 21 year old from India ranked WTA 389 and she rode a 6-0, 6-0 victory…