Yannick Mertens defeated Andrea Arnaboldi 3-6 6-1 6-4 in the Italy F3 qualifying round on clay. The upset overturned the form book — Andrea Arnaboldi came in leading the head-to-head 3–0. Yannick Mertens claimed a first win over Andrea Arnaboldi in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | US Open | Q1 | hard | Andrea Arnaboldi | 6-3 6-4 |
| 2015-08-26 | US Open | Q128 | hard | Andrea Arnaboldi | 6-3 6-4 |
| 2008-11-10 | Spain F43 | SF | clay | Andrea Arnaboldi | 6-3 7-6(2) |
Averages over each player's completed matches in the selected window (176 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