O. O'Hoisin is a ATP tennis player. Current grass-court ELO 1435 (0-1). Recent form: 6-9 over the last 15 matches.
| Date | | Opponent | Score | Event |
|---|
| Jan. 31, 2025 |
W |
A. F. Alhogbani |
0 - 2 |
ATP Davis Cup - World Group II |
| Aug. 7, 2024 |
L |
P. Foley |
2 - 0 |
ITF M15 Dublin Men · hard |
| July 18, 2024 |
L |
C. Kingsley |
0 - 2 |
ITF M25 East Lansing, MI Men · hard |
| July 17, 2024 |
W |
G. Guzauskas |
1 - 2 |
ITF M25 East Lansing, MI Men · hard |
| July 2, 2024 |
L |
A. Sinha |
1 - 2 |
ITF M25 Laval Men · hard |
| May 26, 2024 |
L |
A. Martin |
0 - 2 |
Little Rock Challenger Men · hard |
| May 22, 2024 |
L |
A. Thanos |
2 - 0 |
ITF M15 Kingston 2 Men · hard |
| May 15, 2024 |
L |
K. Pannu |
2 - 1 |
ITF M15 Kingston Men · hard |
| May 10, 2024 |
L |
E. Escobedo |
2 - 0 |
ITF M15 Villahermosa Men · hard |
| May 9, 2024 |
W |
I. Strode |
0 - 2 |
ITF M15 Villahermosa Men · hard |
| May 8, 2024 |
W |
E. Clark |
2 - 1 |
ITF M15 Villahermosa Men · hard |
| May 2, 2024 |
L |
B. Tomic |
2 - 0 |
ITF M25 Xalapa Men · hard |
| April 30, 2024 |
W |
L. Bataljin |
0 - 2 |
ITF M25 Xalapa Men · hard |
| March 21, 2024 |
L |
A. Guerrieri |
2 - 0 |
ITF M15 Heraklion 3 Men · hard |
| March 20, 2024 |
W |
D. Quayle |
2 - 1 |
ITF M15 Heraklion 3 Men · hard |