Kenin, who won her first Grand Slam title at this year's Australian Open, did not face a break point in her match against 17-year-old Fernandez before nailing her convincing win.
Bosnia's next match is against Ireland on October 8, followed by a game against the Netherlands three days later. Enditem
"I thank all of you, those of you who are Roma fans and those that aren't, for the support, I will be back soon!" Enditem
The 28-year-old was close to scoring a hat-trick in the 60th minute, only to see his one-on-one shot blocked by Jianye's goalkeeper Wu Yan.
The 33-year-old striker, who came on after the interval, latched onto a through pass from teammate Wu Xi before sending it into the net in the 65th minute.
Slovakia lost three players to injury on Friday and three more had to return to their league clubs or face quarantine, forcing coach Pavel Hapal to ring the changes.
The midfielder then posted a message to fans on social media as he prepared to undergo surgery to repair his ACL.
Chang'an Athletic is in Group B with Meizhou Kejia, Guizhou Hengfeng, Zhejiang Greentown, Liaoning Shenyang and Jiangxi Liansheng. All the Group B matches will be played in Meizhou, Guangdong province.
According to relevant anti-virus rules, any player who leaves the bubble has to pass a virus test and go through medical observation in isolation before returning, the paper said.
The 2017 world champion previous best was 94.44m set three years ago, and he was confident that he still had room to improve.
"This victory is very important to me - I've worked so hard to get this win," said the 27-year-old Kazakh.