Michael Linzer defeated Andrea Collarini 6-3 7-5 in the Italy F15 qualifying round on clay. The upset overturned the form book — Andrea Collarini came in leading the head-to-head 3–1. Michael Linzer narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-05 | Italy F16 | SF | clay | Andrea Collarini | 6-1 6-0 |
| 2017-04-03 | Italy F7 | SF | clay | Andrea Collarini | 7-5 6-3 |
| 2016-03-14 | Argentina F3 | QF | clay | Michael Linzer | – |
| 2015-11-23 | Peru F5 | SF | clay | Andrea Collarini | 6-2 2-0 |
Averages over each player's completed matches in the selected window (26 vs 199). 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