Taro Daniel defeated Jan Lennard Struff 6-3 1-6 6-4 in the Braunschweig CH round of 16 on clay. The upset overturned the form book — Jan Lennard Struff came in ranked #41, leading the head-to-head 2–1. Taro Daniel narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-07-30 | Kitzbuhel | R32 | clay | Taro Daniel | 7-6(3) 6-1 |
| 2017-05-15 | Rome Masters | Q1 | clay | Jan Lennard Struff | 6-1 6-2 |
| 2017-04-10 | Marrakech | R32 | clay | Jan Lennard Struff | 4-6 6-3 6-1 |
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.