article_snippet: The big-serving American fired down 18 aces as The big-serving American found The big-serving American way past Kevin Anderson 7-6 (8/6)
article_snippet: 6-2 in a touch under one hour and 20 minutes.
article_snippet: The 12th seed from Spain was kept busy until the small hours but eventually completed a 6-2 4-6 6-3 victory over Pablo Cuevas of Uruguay.
article_snippet: Also progressing in California were Bernard Tomic - the 7-5 6-4 conqueror of eighth seed David Ferrer - and surprise package Thanasi Kokkinakis.
article_snippet: No 124 went the distance in a meeting with the experienced Juan Monaco that the 18-year-old won 6-2 5-7 7-6 (7/5) in nearly two hours and 47 minutes.
article_snippet: Next up for Australia's world
article_snippet: Elsewhere, Sabine Lisicki of Germany called time on 11th seed Sara Errani's campaign with a 6-4 6-2 triumph completed late on Monday night.
highlights_snippet: No 1 beat Spaniard in straight sets, 7-5 6-3 .
  
highlights_snippet: Serb is chasing his 50th career victory .