Roger Federer and Rafael Nadal have set up a fourth-round tie at the BNP Paribas Open in Indian Wells - a re-run of this year's Australian Open final.
Fifth seed Nadal beat fellow Spaniard Fernando Verdasco 6-3 7-5.
Switzerland's Federer, who won his 18th Grand Slam title with a five-set victory over Nadal in January, beat American Steve Johnson 7-6 7-6.
Novak Djokovic beat Juan Martin del Potro, while Angelique Kerber, who is set to become world number one, is out.
The German, who is guaranteed a return to the top of the rankings on Monday following Serena Williams' withdrawal from Indian Wells and the Miami Open, lost 3-6 3-6 to Russian Elena Vesnina.