British primary Dan Evans beat Kevin Anderson to arrange a second-round assembly with compatriot Cameron Norrie on the San Diego Open.
Evans battled by a 77-minute opening set to beat the previous world quantity 5 7-6 (13-11) 7-5.
World quantity 28 Norrie beat Twenty second-ranked Evans within the first spherical of the Australian Open earlier this 12 months.
Fellow Briton Harriet Dart was crushed within the second spherical of the Chicago Fall Tennis Traditional.
Dart, who beat Beatriz Haddid Maia after being added to the primary draw as a fortunate loser, misplaced 6-3 6-4 to Russian twelfth seed Veronika Kudermetova.
Evans will face Norrie on Thursday, with Andy Murray additionally in motion towards tenth seed Casper Ruud.