61.   Two backhand errors by Williams forced the tiebreaker.

62.   He saved it with an overhead smash, and forced the tiebreaker with two more service winners.

63.   But Schalken battled back to force the tiebreaker.

64.   Chang again forced a tiebreaker and won it to level the sets.In the third, the American sensed his chances and moved on for the victory.

65.   The top seed forced a tiebreaker and won it to stay alive.

66.   The seventh seed won the first three games and then went to sleep as the feisty Thai fought back to force a tiebreaker.

67.   Neither player could get a break opportunity in the third, but Agassi said his service game to force the tiebreaker was decisive.

68.   Sampras won the next three games and both held serve to force the tiebreaker.