Katie Boulter returned to winning ways at the Ningbo Open but Cameron Norrie's ATP Tour comeback ended in defeat.
Former British number one Norrie had not played a main tour match since July after suffering a forearm injury that ruled him out of the Olympics and the US Open.
But the 29-year-old, who returned to action at a second-tier Challenger event last week, was unable to extend his stay at the Nordic Open in Stockholm, losing 6-4 6-4 in the first round to Serbian Miomir Kecmanovic.
Fellow British player Jacob Fearnley is through to the second round, though, the Scot continuing his remarkable run with a 6-2 7-6 (5) win over France's Corentin Moutet.
The 23-year-old recently broke into the top 100 for the first time after soaring up the rankings since leaving college in the United States in the spring.
He came through qualifying in Sweden on the back of two titles on the Challenger Tour and extended his unbeaten sequence to 13 consecutive matches with his first tour-level victory outside Britain.
Boulter's form has tailed off since the grass-court season but she shrugged off seven double faults and a lengthy rain delay in a dominant 6-3 6-2 victory over veteran Italian Sara Errani.
Harriet Dart was emotional after battling to a three-hour 3-6 7-5 7-5 win over Laura Siegemund in the first round of the Japan Open, ending a three-match losing run.
Dan Evans, meanwhile, was also victorious, following up his two wins in qualifying at the Almaty Open with a 6-2 7-6 (4) win over Taro Daniel as he bids to push back towards the top 100.
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