Riccardo Bonadio defeated Omar Giacalone 6-1 4-6 6-3 in the Italy F16 round of 16 on clay. The upset overturned the form book — Omar Giacalone came in leading the head-to-head 5–0. Riccardo Bonadio claimed a first win over Omar Giacalone in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-23 | Turkey F16 | QF | clay | Omar Giacalone | 6-2 6-1 |
| 2015-10-12 | Italy F31 | QF | clay | Omar Giacalone | 4-6 6-4 6-4 |
| 2015-04-06 | Italy F4 | R32 | clay | Omar Giacalone | 6-4 6-4 |
| 2014-09-22 | Italy F33 | R32 | clay | Omar Giacalone | 6-7(4) 7-6(3) 7-6(5) |
| 2011-08-29 | Italy F25 | R32 | clay | Omar Giacalone | 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 177). 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