Duck Hee Lee defeated Yuuya Kibi 6-3 6-4 in the Toyota CH round of 32 on hard. The result followed the form book — Duck Hee Lee came in leading the head-to-head 2–1, defending last year's round of 16. Duck Hee Lee extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-30 | Japan F6 | QF | clay | Duck Hee Lee | 6-3 7-6(8) |
| 2016-03-21 | Japan F3 | F | hard | Duck Hee Lee | 6-2 6-3 |
| 2015-03-09 | Japan F1 | SF | hard | Yuuya Kibi | 3-6 6-4 7-5 |
Averages over each player's completed matches in the selected window (200 vs 49). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About