Duck Hee Lee defeated Yusuke Takahashi 6-3 6-0 in the Japan F6 round of 16 on clay. The result followed the form book — Duck Hee Lee came in leading the head-to-head 1–0. Duck Hee Lee extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-08 | Japan F6 | QF | hard | Duck Hee Lee | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.