Nishikori d. Carreno-Busta

Nishikori beat Carreno-Busta 6-7(8), 4-6, 7-6(4), 6-4, 7-6(8) in the fourth round at the Australian Open - Melbourne. Nishikori won 217 of 426 points (51%). Nishikori hit 15 aces to 5 and won 73% of points behind the first serve (93/127) against 62% for Carreno-Busta. Nishikori converted 6 of 21 break points and saved 8 of 14 faced; Carreno-Busta converted 6 of 14. Winners to unforced errors: 81–67 for Nishikori, 57–44 for Carreno-Busta. The match was played on hard in Australia.