The semifinals of the 2012 BB&T Atlanta Open are scheduled for Saturday with two prominent Americans set to face off.

First-seeded John Isner will face fellow American Andy Roddick. The fourth-seeded Roddick advanced to the semifinals with a 6-3, 6-4 win over Michael Russell. Isner also needed two sets to win his quarterfinal match against Jack Sock 7-6, 6-4. Roddick is 3-2 in his career against Isner.

On the other side of the bracket, No. 8 Go Soeda will face Gilles Muller in the semifinals. Soeda eliminated No. 3 Kei Nishikori Friday while Muller defeated Matthew Ebden in straight sets.

Here is the complete schedule for Saturday:

Stadium Court, starting at 1 p.m. ET

No. 8 Go Soeda vs. Gilles Muller

Not before 7 p.m. ET

No. 1 John Isner vs. No. 4 Andy Roddick

For a full scoreboard, be sure to visit Sports Illustrated.

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