Nick Kyrgios defeated Ryan Harrison 7-5 6-2 in the Tokyo round of 32 on hard. The result followed the form book — Nick Kyrgios came in leading the head-to-head 3–0, defending last year's quarter-final. Nick Kyrgios extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-12-31 | Brisbane | R32 | hard | Nick Kyrgios | 7-6(5) 5-7 7-6(5) |
| 2018-01-01 | Brisbane | F | hard | Nick Kyrgios | 6-4 6-2 |
| 2017-05-08 | Madrid Masters | R32 | clay | Nick Kyrgios | 6-3 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About