Busy Bertens can be opposed with talented Katerina Siniakova
Korean Open champ not certain to keep it up in Beijing
ATP & WTA Beijing
Sky Arena & BT Sport 1, from 5.30am Wednesday
Kiki Bertens fully deserves the success she has had this season, but while she has surprised a number of opponents in 2018 it may not be long before someone upends the Dutchwoman herself.
Bertens' crowning achievement was winning in Cincinnati in August, while the world number 11 also claimed titles in Charleston in April and in Seoul recently.
However, it's only days since her Korean Open triumph and busy Bertens may be vulnerable early on Thursday morning against a talented opponent such as Katerina Siniakova, who can be backed with a handicap start of 4.5 games.
The men's Tokyo Open is live on Sky Action from 4am.
K Siniakova +4.5 games
1pt 8-13 Coral
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