Yuichi Sugita defeated Yannick Mertens 6-3 5-7 6-4 in the Australian Open qualifying round 2 on hard. The result followed the form book — Yuichi Sugita came in leading the head-to-head 3–1. Yuichi Sugita extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-14 | Australian Open | Q64 | hard | Yuichi Sugita | 6-3 5-7 6-4 |
| 2014-06-23 | Wimbledon | Q1 | grass | Yuichi Sugita | 7-5 6-3 |
| 2014-06-16 | Wimbledon | Q128 | grass | Yuichi Sugita | 7-5 6-3 |
| 2012-08-21 | US Open | Q128 | hard | Yannick Mertens | 6-4 6-1 |
Averages over each player's completed matches in the selected window (199 vs 200). 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