Agatha rates Zheng Wushuang 1496 and Lu Jia-Jing 1465 on hard, built match by match from every tour-level and slam result since 2007. Net gap: 31 rating points toward Zheng Wushuang, for a predicted 54 percent match win. Most-likely scoreline: Zheng Wushuang in 2-0, about 51 percent of that player's winning outcomes.