Top-ranked Novak Djokovic defeated Grigor Dimitrov 7-6 (4), 6-1 to reach the fourth round at the BNP Paribas Open on Tuesday with his 20th consecutive victory.
Djokovic trailed 5-3 in the first set when the 21-year-old Bulgarian committed six double-faults, including four in one game, to help the Serb force the tiebreaker. Djokovic won it on a backhand error by the youngest player remaining in the draw.
Djokovic moves on to play Sam Querrey, a 7-6 (5), 6-7 (7), 7-5 winner over Marinko Matosevic.
Djokovic hasn't lost since Oct. 31, when Querrey beat him at the Paris Masters. Querrey is poised to take over as the top-ranked American in the men's game - albeit not in the top 10 - from Mardy Fish, who lost 7-6 (4), 7-6 (0) to No. 8 seed Jo-Wilfried Tsonga.
''I really felt the match could have been a completely different scoreline pretty easily,'' Fish said. ''That's why you're a little disappointed.''
Tsonga has beaten Fish all four times they have played. The Frenchman next plays ...