Novak Djokovic defeated Ryan Harrison 6-2 6-3 in the Cincinnati Masters round of 32 on hard. The result followed the form book — Novak Djokovic came in leading the head-to-head 2–0, defending last year's quarter-final. Novak Djokovic extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-14 | Australian Open | R64 | hard | Novak Djokovic | 6-1 6-2 6-3 |
| 2012-06-25 | Wimbledon | R64 | grass | Novak Djokovic | 6-4 6-4 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.