Katsuki Nagao defeated Yuuya Kibi 6-2 3-6 6-3 in the Japan F6 qualifying round on carpet. The upset overturned the form book — Yuuya Kibi came in leading the head-to-head 2–0. Katsuki Nagao claimed a first win over Yuuya Kibi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-23 | Guam F1 | R32 | hard | Yuuya Kibi | 7-6(9) 6-4 |
| 2014-05-26 | Guam F1 | QF | hard | Yuuya Kibi | 6-3 6-3 |
Averages over each player's completed matches in the selected window (17 vs 145). ATP, WTA & Challenger.
wins 53% of points on serve vs Kibi Y.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About