Del Potro to face Sock in Stockholm Open final

STOCKHOLM (AP) Olympic silver medalist Juan Martin del Potro of Argentina reached his second final of the year at the Stockholm Open after beating 2013 champion Grigor Dimitrov of Bulgaria 6-4, 7-5 on Saturday.

The wild card del Potro lost his serve for the first time all week, and again, but compensated with four breaks against second-seeded Dimitrov on the center court in the Swedish capital.

In the other semifinal, sixth-seeded Jack Sock of the U.S. beat fourth-seeded Alexander Zverev of Germany 6-7 (4), 7-6 (4), 6-4 in 2 hours, 49 minutes.

Sock, after his first meeting with Zverev, was back in the final for a second straight year.

Sock goes after his second career ATP title, and del Potro his 19th.

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