O. Giacalone is a ATP tennis player. Current grass-court ELO 1504 (1-1). Recent form: 7-8 over the last 15 matches.
| Date | | Opponent | Score | Event |
| May 22, 2022 |
L |
R. Balzerani |
1 - 2 |
Vicenza · clay |
| May 17, 2022 |
L |
M. Viola |
2 - 0 |
Francavilla · clay |
| May 16, 2022 |
W |
J. Pinnington Jones |
0 - 2 |
Francavilla · clay |
| May 15, 2022 |
W |
A. Virgili |
1 - 2 |
Francavilla · clay |
| May 12, 2022 |
L |
M. Bellucci |
2 - 0 |
M25 Santa Margherita di Pula 5 · clay |
| May 11, 2022 |
W |
G. Calvano |
2 - 0 |
M25 Santa Margherita di Pula 5 · clay |
| May 4, 2022 |
L |
O. Crawford |
2 - 0 |
M25 Santa Margherita di Pula 4 · clay |
| May 3, 2022 |
W |
P. Marino |
2 - 1 |
M25 Santa Margherita di Pula 4 · clay |
| April 18, 2022 |
L |
R. Balzerani |
0 - 2 |
M25 Santa Margherita di Pula 2 · clay |
| April 14, 2022 |
L |
F. Maestrelli |
0 - 2 |
M25 Santa Margherita di Pula · clay |
| April 13, 2022 |
W |
R. Bertrand |
1 - 2 |
M25 Santa Margherita di Pula · clay |
| April 11, 2022 |
W |
G. Piraino |
2 - 0 |
M25 Santa Margherita di Pula · clay |
| March 15, 2022 |
L |
A. Picchione |
0 - 2 |
M15 Palmanova · clay |
| March 7, 2022 |
L |
M. Arnaldi |
2 - 1 |
Roseto Degli Abruzzi · clay |
| March 6, 2022 |
W |
R. Balzerani |
2 - 1 |
Roseto Degli Abruzzi · clay |