Kecmanović broke for 5-3 and again for 6-4, though Shimabukuro broke back for 4-5 after saving one of two break points in a hold for 3-3.
Kecmanović broke for 1-1 and again for 5-3, then held for 6-3 in a deuce game, after Shimabukuro broke for 1-0 to start.