Omar Giacalone defeated Johan Sebastien Tatlot 4-6 6-0 7-5 in the Italy F33 qualifying round on clay. The upset overturned the form book — Johan Sebastien Tatlot came in leading the head-to-head 2–1. Omar Giacalone narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-05 | Italy F28 | R16 | clay | Johan Sebastien Tatlot | 1-6 6-3 7-6(1) |
| 2015-04-06 | Italy F4 | SF | clay | Omar Giacalone | 7-6(2) 6-3 |
| 2014-09-15 | Italy F32 | R16 | clay | Johan Sebastien Tatlot | 6-3 3-6 6-0 |
Averages over each player's completed matches in the selected window (184 vs 163). 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