Klaasen and American partner Eric Butorac won the men’s doubles at the Stockholm Open, defeating Treat Huey of the Philippines and Jack Sock of the US 6-4 6-3 over the weekend.
Kevin Anderson retained his 17th place in the men’s singles rankings after reaching a career-high 16 two weeks ago.
Anderson reached the last 16 in Stockholm, losing to German-born Australian Bernard Tomic 6-7(4), 4-6.
– Sapa
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