Murray Advances Amidst Controversy at ATP Indian Wells

Both players broke each other in the second set, but Murray held his nerve in the tiebreak to seal a tough win against the big-serving Croat.

"At the end of each set, I started to make more returns," Murray said. "I served very well in the tiebreak at the end. I didn't serve huge the whole time but didn't give any opportunities away on the second serve.

The controversy came when in the second set Murray challenged a call with the Hawkeye video replay system. The ball was clearly an inch out, but the video replay seemed to shot the second bounce of the impact of the lob instead of the first.

"The reason I challenged was because he looked like he was going to hit it -- then the call came, and he still hit the ball over," Murray said. "I thought maybe he thought it was going out. But I couldn't see, because of the ATP sign at the side of the court."

Ljubicic argued with the chair umpire to no avail, and was then broken on the next point. Ljubicic broke back to bring the match to a tiebreak before Murray put a bow on it, advancing to play the winner of Roger Federer and Fernando Verdasco.